RFC 7939
Definition of Managed Objects for the Neighborhood Discovery Protocol
Part 1 of 12 🎀
Abstract ✨
Okay bestie, this doc replaces RFC 6779 and it's packed with revisions and extensions 💖. It defines a chunk of the Management Information Base (MIB) that network management protocols in the Internet community use. Specifically, it's all about objects for configuring the Neighborhood Discovery Protocol (NHDP) process on a router 🦋. The extensions here add objects and values to support the NHDP optimization from RFC 7466. The MIB module, called NHDP-MIB, also reports state, performance info, and notifications about NHDP. That extra info is seriously useful when you're troubleshooting problems and performance issues during neighbor discovery 🔥.
Status of This Memo 💅
This is an Internet Standards Track document, so it's a real standard, not just vibes 👑.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It went through public review and got approved for publication by the Internet Engineering Steering Group (IESG). More info on Internet Standards lives in Section 2 of RFC 7841 🌸.
For the current status of this document, any errata, and how to give feedback on it, check out http://www.rfc-editor.org/info/rfc7939 ✨.
Copyright Notice 🌈
Copyright (c) 2016 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) as in effect on the date of publication of this document. Please review these documents carefully, because they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions, and they are provided without warranty as described in the Simplified BSD License 🫶.
Table of Contents 🧚
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Differences from RFC 6779 . . . . . . . . . . . . . . . . 3
2. The Internet-Standard Management Framework . . . . . . . . . 3
3. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.1. Terms . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.2. Notation . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Structure of the MIB Module . . . . . . . . . . . . . . . . . 4
5.1. Notifications . . . . . . . . . . . . . . . . . . . . . . 5
5.1.1. Introduction . . . . . . . . . . . . . . . . . . . . 5
5.1.2. Notification Generation . . . . . . . . . . . . . . . 5
5.1.3. Limiting Frequency of Notifications . . . . . . . . . 5
5.2. The Configuration Group . . . . . . . . . . . . . . . . . 7
5.3. The State Group . . . . . . . . . . . . . . . . . . . . . 7
5.4. The Performance Group . . . . . . . . . . . . . . . . . . 8
5.5. Tables and Indexing . . . . . . . . . . . . . . . . . . . 8
6. Relationship to Other MIB Modules . . . . . . . . . . . . . . 10
6.1. Relationship to the SNMPv2-MIB . . . . . . . . . . . . . 10
6.2. Relationship to Routing Protocol MIB Modules Relying on
the NHDP-MIB Module . . . . . . . . . . . . . . . . . . . 10
6.3. Relationship to the If-MIB . . . . . . . . . . . . . . . 10
6.4. MIB Modules Required for IMPORTS . . . . . . . . . . . . 11
7. Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 11
8. Security Considerations . . . . . . . . . . . . . . . . . . . 66
9. Applicability Statement . . . . . . . . . . . . . . . . . . . 68
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 69
11. References . . . . . . . . . . . . . . . . . . . . . . . . . 69
11.1. Normative References . . . . . . . . . . . . . . . . . . 69
11.2. Informative References . . . . . . . . . . . . . . . . . 71
Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 72
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 721. Introduction ✨
This document defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. It's specifically about objects for configuring parameters of the Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP) [RFC6130] process on a router 🦋. The MIB module here, called NHDP-MIB, also reports state, performance information, and notifications about NHDP. That extra state and performance info is useful to troubleshoot problems and performance issues during neighbor discovery 💜.
1.1. Differences from RFC 6779 🌸
This document obsoletes [RFC6779] and replaces it as the specification of the MIB module for [RFC6130]. The revision to [RFC6779] is needed because of the update to [RFC6130] specified in [RFC7466] 🔥.
The MIB module for [RFC6130], specified in this document, captures the new information and states for each symmetric 2-hop neighbor. Those get recorded in the Neighbor Information Base of a router and should show up in the appropriate tables, which were introduced by [RFC7466]. Specifically:
- Addition of objects nhdpIib2HopSetN2Lost and nhdpIfPerfCounterDiscontinuityTime.
- Addition of extra value (notconsidered) to nhdp2HopNbrState.
- Revised full compliance state.
2. The Internet-Standard Management Framework 🎀
If you want a detailed overview of the documents that describe the current Internet-Standard Management Framework, check out section 7 of RFC 3410 [RFC3410] 🧚.
Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. MIB objects are generally accessed through the Simple Network Management Protocol (SNMP). Objects in the MIB are defined using the mechanisms defined in the Structure of Management Information (SMI). This memo specifies a MIB module that is compliant to the SMIv2, which is described in STD 58, RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580] 💅.
3. Conventions 💖
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and OPTIONAL" in this document are to be interpreted as described in [RFC2119] 🫶.
4. Overview 🦋
[RFC6130] lets a router discover and track topological information of routers up to two hops away, by exchanging HELLO messages. This info is super useful for routers running various routing and multicast flooding protocols developed within the IETF MANET Working Group 👑.
4.1. Terms 🌈
The following definitions apply throughout this document:
- Notification Objects - triggers and associated notification messages that allow for asynchronous tracking of predefined events on the managed router.
- Configuration Objects - switches, tables, and objects that are initialized to default settings or set through the management interface defined by this MIB module.
- State Objects - automatically generated values that define the current operating state of the NHDP instance in the router.
- Performance Objects - automatically generated values that help to assess the performance of the NHDP instance on the router and the overall discovery performance within the MANET.
4.2. Notation ✨
The same notations as defined in [RFC6130] are used throughout this document 🌸.
5. Structure of the MIB Module 🧚
This section presents the structure of the NHDP-MIB module. The MIB module is arranged into the following structure:
- nhdpNotifications - objects defining NHDP-MIB notifications.
- nhdpObjects - defining objects within this MIB module. The objects are arranged into the following groups:
- Configuration Group - defining objects related to the configuration of the NHDP instance on the router.
- State Group - defining objects that reflect the current state of the NHDP instance running on the router.
- Performance Group - defining objects that are useful to a management station when characterizing the performance of NHDP on the router and in the MANET.
- nhdpConformance - defining the minimal and maximal conformance requirements for implementations of this MIB module.
5.1. Notifications 🔥
This section describes the use of notifications and mechanisms that enhance the ability to manage NHDP routing domains 💅.
5.1.1. Introduction 💜
Notifications can be emitted by a router running an instance of this specification as a reaction to a specific event. This lets an observer of these events efficiently determine the source of problems or significant changes of configuration or topology, instead of polling a possibly large number of routers 🦋.
5.1.2. Notification Generation 🎀
When an exception event occurs, the application notifies the local agent, which sends a notification to the appropriate SNMP management stations. The message includes the notification type and may include a list of notification-specific variables. Section 7 contains the notification definitions, which includes the variable lists. At least one IP address of the router that originates the notification is included in the variable list, so the source of the notification may be determined 🫶.
5.1.3. Limiting Frequency of Notifications 🌸
To limit the frequency of notifications, the following additional mechanisms are suggested, similar to those in [RFC4750] ✨.
5.1.3.1. Ignoring Initial Activity 🍓
The majority of critical events happen when NHDP is first enabled on a router. At that point, the symmetric neighbors and 2-hop neighbors of the router get discovered. During this initial period, a potential flood of notifications is unnecessary, since the events are expected 🙈. To avoid unnecessary notifications, a router SHOULD NOT originate expected notifications until a predefined and administratively configured time interval has elapsed. It is RECOMMENDED that this time interval be at least 3 times nhdpHelloInterval so that symmetric neighbors are discovered 🧚. The suppression window for notifications is started when nhdpIfStatus transitions from its default value of 'false(2)' to 'true(1)' 💖.
5.1.3.2. Throttling Notifications 🌧️
okay so throttling works the same way as in [RFC4750] 💅 (the number of notifications sent per time is capped, bestie) 🫶
The right window time and upper bound are something the admin configures, and they depend on how the MANET is deployed 🌸. If NHDP runs over a lossy wireless medium, blasting too many notifications in a short time can cause collisions and dropped packets 💀. Dense deployments are the worst, because when each router has tons of neighbors, one local topology change can set off a ton of notifications at once 😭. [RFC4750] recommends "7 traps with a window time of 10 seconds" as the upper bound. But NHDP is expected to run on lossier channels than OSPF, so it is RECOMMENDED to pick a lower threshold than that 🎀. Specifically, it is RECOMMENDED that the threshold value for the objects reflecting the change be set to a value of '10', and that the DEFAULT values for these objects within the Notifications Group be set to this value 💖. Further, a time window for the change objects is defined within this MIB module ✨. If the number of occurrences exceeds the change threshold within the previous change window, then it is RECOMMENDED that the notification be sent 🦋. Furthermore, it is RECOMMENDED that the value for this window be set to at least 5 times the nhdpHelloInterval 👑.
The following objects are used to define the thresholds and time windows for specific notifications defined in the NHDP-MIB module 🧚:
nhdpNbrStateChangeThresholdnhdpNbrStateChangeWindownhdp2HopNbrStateChangeThresholdnhdp2HopNbrStateChangeWindow
5.1.3.3. One Notification per Event 🎯
Just like the mechanism in [RFC4750], only one notification gets sent per event 🙈
5.2. The Configuration Group ⚙️
The router running NHDP is configured with a set of controls 🎛️. The authoritative list of configuration controls within the NHDP-MIB module lives in the MIB module itself 📚. The goal was to support all the configuration objects defined in [RFC6130] ✨. For all of the configuration parameters, the same constraints and default values as defined in [RFC6130] are followed 💅. For guidance on setting jitter-related parameters, e.g., nhdpMaxJitter, check out [RFC5148] 🫶.
5.3. The State Group 🗂️
The State Group reports current state information of a router running NHDP 📊. The NHDP-MIB State Group tables were designed to contain the complete set of state information defined within the information bases specified in Sections 6, 7, and 8 of [RFC6130] 🌈.
Two constructs, i.e., TEXTUAL-CONVENTIONs, are defined to support the tables in the State Group 🧩. NHDP stores and indexes information through sets of (dynamically defined) addresses, i.e., address sets. Within SMIv2, it is not possible to index tables with variably defined address sets 😩. So these TEXTUAL-CONVENTIONs provide a local mapping between NHDP-managed address sets and SMIv2 table indexing. The constructs are the NeighborIfIndex and NeighborRouterIndex. These are locally (to the router) defined, unique identifiers of virtual neighbors and neighbor interfaces 🪪. Due to the nature of NHDP, the local router may have identified distinct address sets but is not able to associate these as a single interface. Hence, two or more NeighborIfIndexes pointing to multiple distinct address sets may, in fact, be related to a common neighbor interface 🌀. This ambiguity may also hold with respect to the assignment of the NeighborRouterIndex. The local MIB agent is responsible for managing, aggregating, and retiring the defined indexes, and for updating MIB tables using these indexes as the local router learns more about its neighbors' topologies 🛠️. These constructs are used to define indexes to the appropriate State Group tables and to correlate table entries to address sets, virtual neighbor interfaces, and virtual neighbors within the MANET 💜.
5.4. The Performance Group 📈
The Performance Group reports values relevant to system performance 🚀. Unstable neighbors or 2-hop neighbors, and frequent changes of sets, can have a negative influence on NHDP performance 😬. This MIB module defines several objects that can be polled in order to, e.g., calculate histories or monitor frequencies of changes 🔍. This may help an observer determine unusual topology changes or other changes that affect the stability and reliability of the MANET 👀.
5.5. Tables and Indexing 🗃️
The NHDP-MIB module contains a number of tables that record data related to:
- the local router,
- a local MANET interface on the router,
- other routers that are one hop removed from the local router,
- interfaces on other routers that are one hop removed from the local router, and
- other routers that are two hops removed from the local router.
The NHDP-MIB module's tables are indexed via the following constructs:
nhdpIfIndex- the IfIndex of the local router on which NHDP is configured.nhdpDiscIfIndex- a locally managed index representing a known interface on a neighboring router.nhdpDiscRouterIndex- a locally managed index representing an ID of a known neighboring router.
These tables and their indexing are:
nhdpInterfaceTable- describes the configuration of the interfaces of this router. This table hasINDEX { nhdpIfIndex }.nhdpLibLocalIfSetTable- records all network addresses that are defined as local interface network addresses on this router. This table hasINDEX { nhdpLibLocalIfSetIndex }.nhdpLibRemovedIfAddrSetTable- records network addresses that were recently used as local interface network addresses on this router but have been removed. This table hasINDEX { nhdpLibRemovedIfAddrSetIndex }.nhdpInterfaceStateTable- records state information related to specific interfaces of this router. This table hasINDEX { nhdpIfIndex }.nhdpDiscIfSetTable- includes the nhdpDiscRouterIndex of the discovered router, the nhdpDiscIfIndex of the discovered interface, and the current set of addresses associated with this neighbor interface. This table hasINDEX { nhdpDiscIfSetIndex }.nhdpIibLinkSetTable- for each local interface, records all links belonging to other routers that are, or recently were, 1-hop neighbors to this router. This table hasINDEX { nhdpIfIndex, nhdpDiscIfIndex }.nhdpIib2HopSetTable- for each local interface, records network addresses (one at a time) of symmetric 2-hop neighbors and the symmetric links to symmetric 1-hop neighbors of this router through which these symmetric 2-hop neighbors can be reached. This table hasINDEX { nhdpIfIndex, nhdpDiscIfIndex, nhdpIib2HopSetIpAddressType, nhdpIib2HopSetIpAddress }.nhdpNibNeighborSetTable- records all network addresses of each 1-hop neighbor to this router. This table hasINDEX { nhdpDiscRouterIndex }.nhdpNibLostNeighborSetTable- records network addresses of other routers that were recently symmetric 1-hop neighbors to this router but are now advertised as lost. This table hasINDEX { nhdpDiscRouterIndex }.nhdpInterfacePerfTable- records performance objects that are measured for each local NHDP interface on this router. This table hasINDEX { nhdpIfIndex }.nhdpDiscIfSetPerfTable- records performance objects that are measured for each discovered interface of a neighbor of this router. This table hasINDEX { nhdpDiscIfIndex }.nhdpDiscNeighborSetPerfTable- records performance objects that are measured for discovered neighbors of this router. This table hasINDEX { nhdpDiscRouterIndex }.nhdpIib2HopSetPerfTable- records performance objects that are measured for discovered 2-hop neighbors of this router. This table hasINDEX { nhdpDiscRouterIndex }.
6. Relationship to Other MIB Modules 🔗
This section specifies how the MIB module in this document relates to other standards, especially standards that contain other MIB modules 🧶. The MIB modules and specific definitions imported from MIB modules that SHOULD be implemented in conjunction with the MIB module in this document are identified in this section 💫.
6.1. Relationship to the SNMPv2-MIB 🤝
The System Group in the SNMPv2-MIB module [RFC3418] is defined as being mandatory for all systems, and the objects apply to the entity as a whole 🖥️. The System Group provides identification of the management entity and certain other system-wide data. The NHDP-MIB module does not duplicate those objects 🙅.
6.2. Relationship to Routing Protocol MIB Modules Relying on the NHDP-MIB Module 🛣️
[RFC6130] allows routing protocols to rely on the neighborhood information discovered by means of HELLO message exchange 👋. For troubleshooting, fault isolation, and management of such routing protocols through a routing protocol MIB module, it may be desired to align the State Group tables of the NHDP-MIB module and the routing protocol MIB module 🔧. This is done by defining two TEXTUAL-CONVENTIONs in the NHDP-MIB module: the NeighborIfIndex and the NeighborRouterIndex 💡. These object types are used to develop indexes into common NHDP-MIB module and routing protocol State Group tables. These objects are locally significant but should be locally common to the NHDP-MIB module and the routing protocol MIB module implemented on a common networked router. This will allow for improved cross-referencing of information across the two MIB modules 🌟.
6.3. Relationship to the If-MIB 🔌
The nhdpInterfaceTable in this MIB module describes the configuration of the interfaces of this router that are intended to use MANET control protocols 🛜. As such, this table 'sparse augments' the ifTable [RFC2863] specifically when NHDP is to be configured to operate over this interface 🧁. The interface is identified by the ifIndex from the Interfaces Group defined in the Interfaces Group MIB module [RFC2863].
A conceptual row in the nhdpInterfaceTable exists if and only if either the row has been administratively created or there is an interface on the managed device that supports and runs NHDP 🦋. This implies that for each entry in the nhdpInterfaceTable, there is a corresponding entry in the Interface Table where nhdpIfIndex and ifIndex are equal 🤝.
If that corresponding entry in the Interface Table is deleted, then the entry in nhdpInterfaceTable is automatically deleted, NHDP is disabled on this interface, and all configuration and state information related to this interface is to be removed from memory 💀.
6.4. MIB Modules Required for IMPORTS 📦
The following NHDP-MIB module IMPORTS objects from SNMPv2-SMI [RFC2578], SNMPv2-TC [RFC2579], SNMPv2-CONF [RFC2580], IF-MIB [RFC2863], SNMP-FRAMEWORK-MIB [RFC3411], INET-ADDRESS-MIB [RFC4001], and FLOAT-TC-MIB [RFC6340] 🎀.
7. Definitions 📜
This section contains the MIB module defined by the specification 💖.
NHDP-MIB DEFINITIONS ::= BEGIN
-- This MIB module defines objects for the management of
-- NHDP (RFC 6130) - Mobile Ad Hoc Network (MANET)
-- Neighborhood Discovery Protocol (NHDP),
-- Clausen, T., Dearlove, C., and J. Dean, January 2011.okay so the IMPORTS list is the MIB's shopping list 🛍️ every single thing it borrows from other specs gets named right here, with its RFC or STD number next to it 💅
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
Counter32, Counter64, Integer32, Unsigned32, mib-2,
TimeTicks
FROM SNMPv2-SMI -- RFC 2578
TEXTUAL-CONVENTION, TruthValue, TimeStamp,
RowStatus
FROM SNMPv2-TC -- RFC 2579
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF -- STD 58
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB -- RFC 3411
InetAddressType, InetAddress,
InetAddressPrefixLength
FROM INET-ADDRESS-MIB -- RFC 4001
InterfaceIndex
FROM IF-MIB -- RFC 2863
Float32TC
FROM FLOAT-TC-MIB -- RFC 6340
;Next up is the module identity 🌸 this is the ID card for the whole MIB, with the last update date, the working group, the editors (yes, all four of them, iconic 🙌), and the revision history, which tells you this version came from RFC 7466 and the very first one was RFC 6779 🎀
nhdpMIB MODULE-IDENTITY
LAST-UPDATED "201607120000Z" -- 12 July 2016
ORGANIZATION "IETF MANET Working Group"
CONTACT-INFO
"WG Email: manet@ietf.org
WG web page: https://datatracker.ietf.org/wg/manet
Editors: Ulrich Herberg
United States of America
ulrich@herberg.name
http://www.herberg.name/
Robert G. Cole
US Army CERDEC
Space and Terrestrial Communications
6010 Frankford Street
Aberdeen Proving Ground, Maryland 21005
United States of America
+1 443 395-8744
robert.g.cole@us.army.mil
http://www.cs.jhu.edu/~rgcole/
Ian D Chakeres
Delvin
Ellicott City, Maryland 21042
United States of America
ian.chakeres@gmail.com
http://www.ianchak.com/
Thomas Heide Clausen
Ecole Polytechnique
LIX
91128 Palaiseau Cedex
France
Email: T.Clausen@computer.org
URI: http://www.thomasclausen.org/"
DESCRIPTION
"This NHDP-MIB module is applicable to routers
implementing the Mobile Ad Hoc Network (MANET)
Neighborhood Discovery Protocol (NHDP)
defined in RFC 6130.
Copyright (c) 2016 IETF Trust and the persons identified
as authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with
or without modification, is permitted pursuant to, and
subject to the license terms contained in, the Simplified
BSD License set forth in Section 4.c of the IETF Trust's
Legal Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info)."
-- revision
REVISION "201607120000Z" -- 12 July 2016
DESCRIPTION
"Updated version of this MIB module,
including updates made to NHDP by
RFC 7466, published as RFC 7939."
REVISION "201210221000Z" -- 22 October 2012
DESCRIPTION
"Initial version of this MIB module,
published as RFC 6779."
::= { mib-2 213 }Then the top-level tree branches out into notifications, objects and conformance 🌳 the notifications branch is the 0 one, objects is 1, and conformance is 2 🧚
--
-- Top-Level Components of this MIB Module
--
nhdpNotifications OBJECT IDENTIFIER ::= { nhdpMIB 0 }
nhdpObjects OBJECT IDENTIFIER ::= { nhdpMIB 1 }
nhdpConformance OBJECT IDENTIFIER ::= { nhdpMIB 2 }Now the textual conventions 🦋 this part is lowkey the most interesting bit of the whole module. SMI wants indexes that are fixed in advance, but NHDP tracks address sets that keep changing, so the MIB defines two new conventions, NeighborIfIndex and NeighborRouterIndex, to give those shifting things a stable handle.
--
-- TEXTUAL-CONVENTIONs
--
-- Two new TEXTUAL-CONVENTIONs have been defined in
-- this MIB module for indexing into the following
-- tables and indexing into other tables in other MIB modules.
-- This was necessary because NHDP manages and
-- indexes based upon dynamic address tuples, i.e.,
-- address sets, while SMI requires statically
-- defined indexes for accessing its table rows.
-- The NeighborIfIndex defines a unique (to the local router)
-- index referencing a discovered virtual interface on another
-- neighbor within the MANET. The NeighborRouterIndex defines a
-- unique (to the local router) index referencing a discovered
-- virtual neighbor within the MANET.
--
-- Due to the nature of NHDP,
-- different indexes may be related to common neighbor
-- interfaces or common neighbor routers, but the information
-- obtained through NHDP has not allowed the local router
-- to relate these virtual objects (i.e., interfaces or routers)
-- at this point in time. As more topology information
-- is gathered by the local router, it may associate
-- virtual interfaces or routers and collapse these
-- indexes appropriately.
-- Multiple addresses can be associated with a
-- given NeighborIfIndex. Each NeighborIfIndex is
-- associated with a NeighborRouterIndex. Throughout
-- the nhdpStateObjGroup, the
-- NeighborIfIndex and the NeighborRouterIndex are used
-- to define the set of IP Addresses related to a virtual
-- neighbor interface or virtual neighbor under discussion.
NeighborIfIndex ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"An arbitrary, locally unique identifier associated with a
virtual interface of a discovered NHDP neighbor.
Due to the nature of NHDP, the local router
may not know if two distinct addresses belong to the
same interface of a neighbor or to two different
interfaces. As the local router gains more
knowledge of its neighbors, its local view may change, and
this table will be updated to reflect the local router's
current understanding, associating address sets to neighbor
interfaces. The local router identifies a virtual neighbor
interface through the receipt of address lists advertised
through an NHDP HELLO message.
All objects of type NeighborIfIndex are assigned by the agent
out of a common number space.
The value for each discovered virtual neighbor
interface may not remain constant from
one re-initialization of the entity's network management
agent to the next re-initialization. If the
local router gains information associating two virtual
interfaces on a neighbor as a common interface,
then the agent MUST aggregate the two address sets to
a single index chosen from the set of aggregated indexes,
and it MUST update all tables in this
MIB module that are indexed by indexes
of type NeighborIfIndex. It MAY then reuse freed
index values following the next agent restart.
The specific value is meaningful only within a given SNMP
entity."
SYNTAX Unsigned32 (1..2147483647)
NeighborRouterIndex ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"An arbitrary, locally unique identifier associated with a
virtual discovered neighbor (one or two hop). Due to the
nature of NHDP, the local router may identify
multiple virtual neighbors that, in fact, are one and
the same. Neighbors that are two hops away with more than
one advertised address will exhibit this behavior. As the
local router's knowledge of its neighbors' topology
increases, the local router will be able to associate
multiple virtual neighbor indexes into a single virtual
neighbor index chosen from the set of aggregated indexes;
it MUST update all tables in this MIB module indexed by these
indexes, and it MAY reuse the freed indexes following the
next agent re-initialization.
All objects of type NeighborRouterIndex are assigned by
the agent out of a common number space.
The NeighborRouterIndex defines a discovered NHDP peer
virtual neighbor of the local router.
The value for each discovered virtual neighbor index MUST
remain constant at least from one re-initialization of
the entity's network management agent to the next
re-initialization, except if an application is deleted
and re-created.
The specific value is meaningful only within a given SNMP
entity. A NeighborRouterIndex value MUST NOT be reused
until the next agent restart."
SYNTAX Unsigned32 (1..2147483647)Now we're in the objects section 💖 it's split into three groups (configuration, state and performance), and we're starting with the configuration group, which is all about the knobs that control how NHDP runs.
--
-- nhdpObjects
--
-- 1) Configuration Objects Group
-- 2) State Objects Group
-- 3) Performance Objects Group
--
-- nhdpConfigurationObjGrp
--
-- Contains the NHDP objects that configure specific options
-- that determine the overall performance and operation of
-- NHDP.
nhdpConfigurationObjGrp OBJECT IDENTIFIER ::= { nhdpObjects 1 }
nhdpInterfaceTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The nhdpInterfaceTable describes the
configuration of the interfaces of this router
that are intended to use MANET control protocols.
As such, this table 'sparse augments' the ifTable
specifically when NHDP is to be configured to
operate over this interface. The interface is
identified by the ifIndex from the Interfaces
Group defined in the Interfaces Group MIB module.
A conceptual row in this table exists if and only
if the row has been administratively created
or there is an interface on the managed device
that supports and runs NHDP.
A row can be administratively created by setting
rowStatus to 'createAndGo' or 'createAndWait'.
During the row creation, objects having associated
DEFVAL clauses are automatically defined by
the agent if not explicitly administratively defined.
For each entry in the nhdpInterfaceTable, there is a
corresponding entry in the Interface Table where
nhdpIfIndex and ifIndex are equal. If that corresponding
entry in the Interface Table is deleted, then the entry in
the nhdpInterfaceTable is automatically deleted,
NHDP is disabled on this interface, and all configuration
and state information related to this interface is to be
removed from memory."
REFERENCE
"RFC 2863 - The Interfaces Group MIB, McCloghrie,
K., and F. Kastenholtz, June 2000"
::= { nhdpConfigurationObjGrp 1 }
nhdpInterfaceEntry OBJECT-TYPE
SYNTAX NhdpInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The nhdpInterfaceEntry describes one NHDP
local interface configuration as indexed by
its ifIndex as defined in the Standard MIB II
Interface Table (RFC 2863).
The objects in this table are persistent, and when
written, the device SHOULD save the change to
nonvolatile storage. For further information
on the storage behavior for these objects, refer
to the description for the nhdpIfRowStatus
object."
INDEX { nhdpIfIndex }
::= { nhdpInterfaceTable 1 }
NhdpInterfaceEntry ::=
SEQUENCE {
nhdpIfIndex
InterfaceIndex,
nhdpIfName
SnmpAdminString,
nhdpIfStatus
TruthValue,
nhdpHelloInterval
Unsigned32,
nhdpHelloMinInterval
Unsigned32,
nhdpRefreshInterval
Unsigned32,
nhdpLHoldTime
Unsigned32,
nhdpHHoldTime
Unsigned32,
nhdpHystAcceptQuality
Float32TC,
nhdpHystRejectQuality
Float32TC,
nhdpInitialQuality
Float32TC,
nhdpInitialPending
TruthValue,
nhdpHpMaxJitter
Unsigned32,
nhdpHtMaxJitter
Unsigned32,
nhdpIfRowStatus
RowStatus
}Okay so this is where the interface stuff kicks in and it's giving organized 🎀✨
First up is nhdpIfIndex, the bestie who points straight at a row in the Interfaces Table 🧚
nhdpIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This value MUST correspond to an ifIndex referring
to a valid entry in the Interfaces Table."
REFERENCE
"RFC 2863 - The Interfaces Group MIB, McCloghrie, K.,
and F. Kastenholtz, June 2000"
::= { nhdpInterfaceEntry 1 }Next is nhdpIfName, the name tag for the interface 🏷️💖 It's read-only and it's lowkey so chill about naming 🦋
nhdpIfName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The textual name of the interface. The value of this
object SHOULD be the name of the interface as assigned by
the local device. This can be a text-name, such as 'le0'
or a simple port number, such as '1',
depending on the interface-naming syntax of the device.
If there is no local name or this object is otherwise not
applicable, then this object contains a zero-length string."
::= { nhdpInterfaceEntry 2 }nhdpIfStatus is the on/off switch for NHDP on an interface, and it's literally the main character of this whole section 🔥👑
nhdpIfStatus OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpIfStatus indicates whether this interface is
currently running NHDP. A value of 'true(1)' indicates
that NHDP is running on this interface.
A value of 'false(2)' indicates that NHDP is not
currently running on this interface. This corresponds
to the I_manet parameter in the Local Interface Set
of NHDP."
DEFVAL { false }
::= { nhdpInterfaceEntry 3 }
--
-- Interface Parameters - Message Intervals
--Now the message interval objects 🌸 Starting with nhdpHelloInterval, the maximum gap between HELLO messages 🫶
nhdpHelloInterval OBJECT-TYPE
SYNTAX Unsigned32
UNITS "milliseconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpHelloInterval corresponds to
HELLO_INTERVAL of NHDP and represents the
maximum time between the transmission of two
successive HELLO messages on this MANET interface.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o nhdpHelloInterval > 0
o nhdpHelloInterval >= nhdpHelloMinInterval"
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc
Network (MANET) Neighborhood Discovery Protocol
(NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
DEFVAL { 2000 }
::= { nhdpInterfaceEntry 4 }nhdpHelloMinInterval is the floor for that gap, so it's the responsible friend keeping things from getting too frantic 🧚♀️
nhdpHelloMinInterval OBJECT-TYPE
SYNTAX Unsigned32
UNITS "milliseconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpHelloMinInterval corresponds to
HELLO_MIN_INTERVAL of NHDP and represents
the minimum interval between transmission
of two successive HELLO messages on this
MANET interface.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o nhdpHelloMinInterval <= nhdpHelloInterval"
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
DEFVAL { 500 }
::= { nhdpInterfaceEntry 5 }nhdpRefreshInterval is about how often each 1-hop neighbor's address and status get re-advertised, so it's basically the group chat catch-up 💬🌈
nhdpRefreshInterval OBJECT-TYPE
SYNTAX Unsigned32
UNITS "milliseconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpRefreshInterval corresponds to
REFRESH_INTERVAL of NHDP and represents the
maximum interval between advertisements of
each 1-hop neighbor network address and its
status. Each advertisement is in a HELLO
message on this MANET interface.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o nhdpRefreshInterval >= nhdpHelloInterval"
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
DEFVAL { 2000 }
::= { nhdpInterfaceEntry 6 }
--
-- Interface Parameters - Information Validity times
--Next up are the validity times ⏳💜 nhdpLHoldTime is about how long former neighbors stay advertised as lost, so the recipients can clear them out faster 🙈
nhdpLHoldTime OBJECT-TYPE
SYNTAX Unsigned32
UNITS "milliseconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpLHoldTime corresponds to
L_HOLD_TIME of NHDP and represents the period
of advertisement, on this MANET interface, of
former 1-hop neighbor network addresses as lost
in HELLO messages, allowing recipients of these
HELLO messages to accelerate removal of this
information from their Link Sets.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that it should be assigned a
value significantly greater than the refresh
interval held by nhdpRefreshInterval."
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
DEFVAL { 6000 }
::= { nhdpInterfaceEntry 7 }nhdpHHoldTime is the one that goes into the VALIDITY_TIME TLV on every HELLO, and it's got a whole RFC 5497 citation attached 📚🦋
nhdpHHoldTime OBJECT-TYPE
SYNTAX Unsigned32
UNITS "milliseconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpHHoldTime corresponds to
H_HOLD_TIME of NHDP and is used as the value
in the VALIDITY_TIME Message TLV included in all
HELLO messages on this MANET interface. It is then
used by each router receiving such a HELLO message
to indicate the validity of the information taken
from that HELLO message and recorded in the receiving
router's Information Bases.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that it should be assigned a
value significantly greater than the refresh interval
held by nhdpRefreshInterval and must be representable
as described in RFC 5497."
REFERENCE
"RFC 5497 - Representing Multi-Value Time in Mobile Ad
Hoc Networks (MANETs), Clausen, T., and C. Dearlove,
March 2009.
Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
DEFVAL { 6000 }
::= { nhdpInterfaceEntry 8 }
--
-- Interface Parameters - Link Quality
--Now the link quality vibes 🌈💅 nhdpHystAcceptQuality is the threshold where a link gets to be usable, and it's giving "hot girl gets promoted" 🔥
nhdpHystAcceptQuality OBJECT-TYPE
SYNTAX Float32TC
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpHystAcceptQuality corresponds to
HYST_ACCEPT of NHDP and represents the link
quality threshold at or above which a link becomes
usable, if it was not already so.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o 0 <= nhdpHystRejectQuality
<= nhdpHystAcceptQuality <= 1.0
The default value for this object is 1.0. According to
RFC 6340:
Since these textual conventions are defined in terms
of the OCTET STRING type, the SMI's mechanisms for
formally setting range constraints are not available.
MIB designers using these textual conventions will need
to use DESCRIPTION clauses to spell out any applicable
range constraints beyond those implied by the underlying
IEEE types.
Therefore, this object does not have a DEFVAL clause."
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
-- DEFVAL { 1.0 } see DESCRIPTION
::= { nhdpInterfaceEntry 9 }nhdpHystRejectQuality is the opposite energy, the line below which a link stops being usable 💀
nhdpHystRejectQuality OBJECT-TYPE
SYNTAX Float32TC
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpHystRejectQuality corresponds to
HYST_REJECT of NHDP and represents the
link quality threshold below which a
link becomes unusable, if it was not
already so.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o 0 <= nhdpHystRejectQuality
<= nhdpHystAcceptQuality <= 1.0
The default value for this object is 0.0. According to
RFC 6340:
Since these textual conventions are defined in terms
of the OCTET STRING type, the SMI's mechanisms for
formally setting range constraints are not available.
MIB designers using these textual conventions will need
to use DESCRIPTION clauses to spell out any applicable
range constraints beyond those implied by the underlying
IEEE types.
Therefore, this object does not have a DEFVAL clause."
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
-- DEFVAL { 0.0 } see DESCRIPTION
::= { nhdpInterfaceEntry 10 }nhdpInitialQuality is how a brand new link starts out, and honestly that first impression matters 🦋✨
nhdpInitialQuality OBJECT-TYPE
SYNTAX Float32TC
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpInitialQuality corresponds to
INITIAL_QUALITY of NHDP and represents the
initial quality of a newly identified link.
Guidance for setting this object may be found
in Section 5 of the NHDP specification (RFC 6130),
which indicates that:
o 0 <= nhdpInitialQuality <= 1.0
The default value for this object is 1.0. According to
RFC 6340:
Since these textual conventions are defined in terms
of the OCTET STRING type, the SMI's mechanisms for
formally setting range constraints are not available.
MIB designers using these textual conventions will need
to use DESCRIPTION clauses to spell out any applicable
range constraints beyond those implied by the underlying
IEEE types.
Therefore, this object does not have a DEFVAL clause."
REFERENCE
"Section 5 on Protocol Parameters and
Constraints of RFC 6130 - Mobile Ad Hoc Network
(MANET) Neighborhood Discovery Protocol (NHDP),
Clausen, T., Dearlove, C., and J. Dean, April 2011"
-- DEFVAL { 1.0 } see DESCRIPTION
::= { nhdpInterfaceEntry 11 }And last but not least, nhdpInitialPending decides whether a brand new link has to wait in the pending pen until it's good enough to be usable 🙈💜
nhdpInitialPending OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"nhdpInitialPending corresponds to
INITIAL_PENDING of NHDP. If the value of this object
is 'true(1)', then a newly identified link is considered
pending and is not usable until the link quality
has reached or exceeded the nhdpHystAcceptQuality
threshold.Guidance for setting this object may be found in Section 5 of the NHDP specification (RFC 6130), which indicates that: o If nhdpInitialQuality >= nhdpHystAcceptQuality, then nhdpInitialPending := false(2). o If nhdpInitialQuality < nhdpHystRejectQuality, then nhdpInitialPending := true(1)." REFERENCE "Section 5 on Protocol Parameters and Constraints of RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" DEFVAL { false } ::= { nhdpInterfaceEntry 12 } -- -- Interface Parameters - Jitter -- nhdpHpMaxJitter OBJECT-TYPE SYNTAX Unsigned32 UNITS "milliseconds" MAX-ACCESS read-create STATUS current DESCRIPTION "nhdpHpMaxJitter corresponds to HP_MAXJITTER of NHDP and represents the value of MAXJITTER used in RFC 5148 for periodically generated HELLO messages on this MANET interface.
Guidance for setting this object may be found in Section 5 of RFC 5148, which indicates that: o nhdpHpMaxJitter <= nhdpHelloInterval / 2 o nhdpHpMaxJitter should not be greater than nhdpHelloInterval / 4 o If nhdpMinHelloInterval > 0, then nhdpHpMaxJitter <= nhdpHelloMinInterval; and nhdpHpMaxJitter should not be greater than nhdpHelloMinInterval / 2" REFERENCE "Section 5 of RFC 5148 - Jitter Considerations in Mobile Ad Hoc Networks (MANETs), Clausen, T., Dearlove, C., and B. Adamson, February 2008" DEFVAL { 500 } ::= { nhdpInterfaceEntry 13 }
nhdpHtMaxJitter OBJECT-TYPE SYNTAX Unsigned32 UNITS "milliseconds" MAX-ACCESS read-create STATUS current DESCRIPTION "nhdpHtMaxJitter corresponds to HT_MAXJITTER of NHDP and represents the value of MAXJITTER used in RFC 5148 for externally triggered HELLO messages on this MANET interface.
Guidance for setting this object may be found in Section 5 of RFC 5148, which indicates that: o nhdpHtMaxJitter <= nhdpHelloInterval / 2 o nhdpHtMaxJitter should not be greater than nhdpHelloInterval / 4 o If nhdpMinHelloInterval > 0, then nhdpHtMaxJitter <= nhdpHelloMinInterval; and nhdpHtMaxJitter should not be greater than nhdpHelloMinInterval / 2" REFERENCE "Section 5 of RFC 5148 - Jitter Considerations in Mobile Ad Hoc Networks (MANETs), Clausen, T., Dearlove, C., and B. Adamson, February 2008" DEFVAL { 500 } ::= { nhdpInterfaceEntry 14 }
nhdpIfRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "This object permits management of the table by facilitating actions such as row creation, construction, and destruction. The value of this object has no effect on whether other objects in this conceptual row can be modified.
An entry may not exist in the 'active(1)' state unless all objects in the entry have a defined appropriate value. For objects with DEFVAL clauses, the management station does not need to specify the value of this object in order for the row to transit to the 'active(1)' state; the default value for this object is used. For objects that do not have DEFVAL clauses, the value of this object prior to this row transitioning to the 'active(1)' state MUST be administratively specified.
When this object transitions to 'active(1)', all objects in this row SHOULD be written to nonvolatile (stable) storage. Read-create objects in this row MAY be modified. When an object in a row with nhdpIfRowStatus of 'active(1)' is changed, then the updated value MUST be reflected in NHDP, and this new object value MUST be written to nonvolatile storage.
If the value of this object is not equal to 'active(1)', all associated entries in the nhdpLibLocalIfSetTable, nhdpInterfaceStateTable, nhdpIibLinkSetTable, and nhdpInterfacePerfTable MUST be deleted."
REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" DEFVAL { active } ::= { nhdpInterfaceEntry 15 }
-- -- Router Parameters - Information Validity Time -- nhdpNHoldTime OBJECT-TYPE SYNTAX Unsigned32 UNITS "milliseconds" MAX-ACCESS read-write STATUS current DESCRIPTION "nhdpNHoldTime corresponds to N_HOLD_TIME of NHDP and is used as the period during which former 1-hop neighbor network addresses are advertised as lost in HELLO messages, allowing recipients of these HELLO messages to accelerate removal of this information from their 2-Hop Sets.
This object is persistent, and when written, the entity SHOULD save the change to nonvolatile storage." REFERENCE "Section 5 on Protocol Parameters and Constraints of RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" DEFVAL { 6000 } ::= { nhdpConfigurationObjGrp 2 }
nhdpIHoldTime OBJECT-TYPE SYNTAX Unsigned32 UNITS "milliseconds" MAX-ACCESS read-write STATUS current DESCRIPTION "nhdpIHoldTime corresponds to I_HOLD_TIME of NHDP and represents the period for which a recently used local interface network address is recorded.
This object is persistent, and when written, the entity SHOULD save the change to nonvolatile storage." REFERENCE "Section 5 on Protocol Parameters and Constraints of RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" DEFVAL { 6000 } ::= { nhdpConfigurationObjGrp 3 }
-- A router's Local Information Base (LIB) -- -- Local Interface Set Table --
nhdpLibLocalIfSetTable OBJECT-TYPE SYNTAX SEQUENCE OF NhdpLibLocalIfSetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A router's Local Interface Set records all network addresses that are defined as local MANET interface network addresses. As such, this table 'sparse augments' the nhdpInterfaceTable when network addresses are being defined for the interfaces existing within the nhdpInterfaceTable. The local interface is defined by the nhdpIfIndex.
The Local Interface Set consists of Local Interface Address Tuples per MANET interface and their prefix lengths (in order to determine the network addresses related to the interface).
A conceptual row in this table exists if and only if one has been administratively created. This can be done by setting rowStatus to 'createAndGo' or 'createAndWait'.
Further guidance on the addition or removal of local addresses and network addresses is found in Section 9 of RFC 6130." REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" ::= { nhdpConfigurationObjGrp 4 } nhdpLibLocalIfSetEntry OBJECT-TYPE SYNTAX NhdpLibLocalIfSetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A router's Local Interface Set consists of Local Interface Tuples for each network interface.
The objects in this table are persistent, and when written, the device SHOULD save the change to nonvolatile storage. For further information on the storage behavior for these objects, refer to the description for the nhdpLibLocalIfSetRowStatus object." REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" INDEX { nhdpLibLocalIfSetIndex } ::= { nhdpLibLocalIfSetTable 1 }
NhdpLibLocalIfSetEntry ::= SEQUENCE { nhdpLibLocalIfSetIndex Integer32, nhdpLibLocalIfSetIfIndex InterfaceIndex, nhdpLibLocalIfSetIpAddrType InetAddressType, nhdpLibLocalIfSetIpAddr InetAddress, nhdpLibLocalIfSetIpAddrPrefixLen InetAddressPrefixLength, nhdpLibLocalIfSetRowStatus RowStatus }
nhdpLibLocalIfSetIndex OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The index for this table. Necessary because multiple addresses may be associated with a given nhdpIfIndex."
REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" ::= { nhdpLibLocalIfSetEntry 1 }
nhdpLibLocalIfSetIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only STATUS current DESCRIPTION "Specifies the local nhdpIfIndex for which this IP address was added." REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" ::= { nhdpLibLocalIfSetEntry 2 }
nhdpLibLocalIfSetIpAddrType OBJECT-TYPE SYNTAX InetAddressType MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the nhdpLibLocalIfSetIpAddr in the InetAddress MIB (RFC 4001).
Only the values 'ipv4(1)' and 'ipv6(2)' are supported." REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" ::= { nhdpLibLocalIfSetEntry 3 }
nhdpLibLocalIfSetIpAddr OBJECT-TYPE SYNTAX InetAddress (SIZE(4|16)) MAX-ACCESS read-create STATUS current DESCRIPTION "nhdpLibLocalIfSetIpAddr is an address of an interface of this router.
This object is interpreted according to the setting of nhdpLibLocalIfSetIpAddrType."
REFERENCE "RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP), Clausen, T., Dearlove, C., and J. Dean, April 2011" ::= { nhdpLibLocalIfSetEntry 4 }
okay the removed interface address set is giving main character energy 🦋 here's the MIB stuff, copied exactly 💅
nhdpLibLocalIfSetIpAddrPrefixLen OBJECT-TYPE
SYNTAX InetAddressPrefixLength
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Indicates the number of leading one bits that
form the mask. The mask is logically ANDed
to the nhdpLibLocalIfSetIpAddr to determine
the address prefix. A row match is true
if the address used as an index falls within
the network address range defined by the
address prefix."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibLocalIfSetEntry 5 }
nhdpLibLocalIfSetRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object permits management of the table
by facilitating actions such as row creation,
construction, and destruction. The value of
this object has no effect on whether other
objects in this conceptual row can be
modified.
An entry may not exist in the 'active(1)' state unless all
read-create objects in the entry have a defined
appropriate value. As no objects in this table have
DEFVAL clauses, the management station MUST specify
the values of all read-create objects prior to this row
transitioning to the 'active(1)' state.
When this object transitions to 'active(1)', all objects
in this row SHOULD be written to nonvolatile (stable)
storage. Read-create objects in this row MAY be modified.
When an object in a row with nhdpIfRowStatus of 'active(1)'
is changed, then the updated value MUST be reflected in NHDP,
and this new object value MUST be written to nonvolatile
storage."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
DEFVAL { notReady }
::= { nhdpLibLocalIfSetEntry 6 }
--
-- Removed Interface Addr Set Table
--
nhdpLibRemovedIfAddrSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpLibRemovedIfAddrSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Removed Interface Address Set records
network addresses that were recently used as local
interface network addresses. If a router's interface
network addresses are immutable, then the Removed
Interface Address Set is always empty and may be omitted.
It consists of Removed Interface Address Tuples, one
per network address."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpConfigurationObjGrp 5 }
nhdpLibRemovedIfAddrSetEntry OBJECT-TYPE
SYNTAX NhdpLibRemovedIfAddrSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Removed Interface Address Set consists
of Removed Interface Address Tuples, one per network
address:
(IR_local_iface_addr, IR_time)
The association between these addresses and the
router's Interface is found in RFC 4293 (ipAddressTable)"
REFERENCE
"RFC 4293 - Management Information Base for the Internet
Protocol (IP), S. Routhier, Ed., April 2006.
RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpLibRemovedIfAddrSetIndex }
::= { nhdpLibRemovedIfAddrSetTable 1 }
NhdpLibRemovedIfAddrSetEntry ::=
SEQUENCE {
nhdpLibRemovedIfAddrSetIndex
Integer32,
nhdpLibRemovedIfAddrSetIpAddrType
InetAddressType,
nhdpLibRemovedIfAddrSetIpAddr
InetAddress,
nhdpLibRemovedIfAddrSetIpAddrPrefixLen
InetAddressPrefixLength,
nhdpLibRemovedIfAddrSetIfIndex
InterfaceIndex,
nhdpLibRemovedIfAddrSetIRTime
TimeStamp
}
nhdpLibRemovedIfAddrSetIndex OBJECT-TYPE
SYNTAX Integer32 (0..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The index for this table. Necessary
because multiple addresses may be associated
with a given nhdpIfIndex."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 1 }
nhdpLibRemovedIfAddrSetIpAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the nhdpLibRemovedIfAddrSetIpAddr
in the InetAddress MIB (RFC 4001).
Only the values 'ipv4(1)' and
'ipv6(2)' are supported."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 2 }
nhdpLibRemovedIfAddrSetIpAddr OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpLibRemovedIfAddrSetIpAddr is a
recently used address of an interface of
this router."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 3 }
nhdpLibRemovedIfAddrSetIpAddrPrefixLen OBJECT-TYPE
SYNTAX InetAddressPrefixLength
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of leading one bits that
form the mask. The mask is logically ANDed
to the nhdpLibRemovedIfAddrSetIpAddr to determine
the address prefix. A row match is true
if the address used as an index falls within
the network address range defined by the
address prefix."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 4 }
nhdpLibRemovedIfAddrSetIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Specifies the local IfIndex from which this
IP address was recently removed."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 5 }
nhdpLibRemovedIfAddrSetIRTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpLibRemovedIfAddrSetIRTime specifies the value
of sysUpTime when this entry should expire and be
removed from the nhdpLibRemovedIfAddrSetTable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpLibRemovedIfAddrSetEntry 6 }
--
-- nhdpStateObjGrp
--
-- Contains information describing the current state of the NHDP
-- process on this router.
nhdpStateObjGrp OBJECT IDENTIFIER ::= { nhdpObjects 2 }
nhdpUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the time the current NHDP
process was initialized."
::= { nhdpStateObjGrp 1 }
nhdpInterfaceStateTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpInterfaceStateEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"nhdpInterfaceStateTable lists state information
related to specific interfaces of this router.
The value of nhdpIfIndex is an ifIndex from the
Interfaces Group defined in the Interfaces Group
MIB.
The objects in this table are persistent, and when
written, the entity SHOULD save the change to
nonvolatile storage."
REFERENCE
"RFC 2863 - The Interfaces Group MIB, McCloghrie,
K., and F. Kastenholtz, June 2000"
::= { nhdpStateObjGrp 2 }
nhdpInterfaceStateEntry OBJECT-TYPE
SYNTAX NhdpInterfaceStateEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"nhdpInterfaceStateEntry describes one NHDP
local interface state as indexed by
its nhdpIfIndex."
INDEX { nhdpIfIndex }
::= { nhdpInterfaceStateTable 1 }
NhdpInterfaceStateEntry ::=
SEQUENCE {
nhdpIfStateUpTime
TimeStamp
}
nhdpIfStateUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of the sysUpTime when
NHDP was last initialized on this
MANET interface."
::= { nhdpInterfaceStateEntry 1 }
--
-- This table allows for the mapping between discovered
-- remote interfaces and routers and their addresses.
--
nhdpDiscIfSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpDiscIfSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's set of discovered interfaces on
neighboring routers."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpStateObjGrp 3 }
nhdpDiscIfSetEntry OBJECT-TYPE
SYNTAX NhdpDiscIfSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The entries include the nhdpDiscRouterIndex of
the discovered router, the nhdpDiscIfIndex
of the discovered interface, and the
current set of addresses associated
with this neighbor interface. The
nhdpDiscIfIndex uniquely identifies
the remote interface address sets
through this table. It does not need
to be unique across the MANET but MUST
be locally unique within this router."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscIfSetIndex }
::= { nhdpDiscIfSetTable 1 }
NhdpDiscIfSetEntry ::=
SEQUENCE {
nhdpDiscIfSetIndex
Integer32,
nhdpDiscIfIndex
NeighborIfIndex,
nhdpDiscRouterIndex
NeighborRouterIndex,
nhdpDiscIfSetIpAddrType
InetAddressType,
nhdpDiscIfSetIpAddr
InetAddress,
nhdpDiscIfSetIpAddrPrefixLen
InetAddressPrefixLength
}okay so we're deep in the MIB now and this part is giving pure organization 🎀 The discovered-interface objects come first, and they're all tied to the nhdpDiscIfSetEntry row 🧚
nhdpDiscIfSetIndex OBJECT-TYPE
SYNTAX Integer32 (0..65535)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The index for this table. Necessary
because multiple addresses may be associated
with a given nhdpDiscIfIndex."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 1 }
nhdpDiscIfIndex OBJECT-TYPE
SYNTAX NeighborIfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The NHDP interface index (locally created)
of a neighbor's interface. Used for cross-
indexing into other NHDP tables and other
MIB modules."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 2 }
nhdpDiscRouterIndex OBJECT-TYPE
SYNTAX NeighborRouterIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The NHDP neighbor index (locally created)
of a neighboring router. Used for cross-
indexing into other NHDP tables and other
MIB modules."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 3 }
nhdpDiscIfSetIpAddrType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of the nhdpDiscIfSetIpAddr
in the InetAddress MIB (RFC 4001).
Only the values 'ipv4(1)' and
'ipv6(2)' are supported."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 4 }
nhdpDiscIfSetIpAddr OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The nhdpDiscIfSetIpAddr is a
recently used address of a neighbor
of this router."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 5 }
nhdpDiscIfSetIpAddrPrefixLen OBJECT-TYPE
SYNTAX InetAddressPrefixLength
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of leading one bits that
form the mask. The mask is logically ANDed
to the nhdpDiscIfSetIpAddr to determine
the address prefix. A row match is true
if the address used as an index falls within
the network address range defined by the
address prefix."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetEntry 6 }Next up is the Interface Information Base (IIB) 🦋 First is the Link Set, which holds every link from other routers that are, or recently were, 1-hop neighbors. It's indexed by nhdpIfIndex and nhdpDiscIfIndex (the local and remote interface pair), and the entry has a whole bunch of L_ fields 💅
-- Interface Information Base (IIB)
--
-- Link Set
--
nhdpIibLinkSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpIibLinkSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A Link Set of an interface records all links
from other routers that are, or recently
were, 1-hop neighbors."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpStateObjGrp 4 }
nhdpIibLinkSetEntry OBJECT-TYPE
SYNTAX NhdpIibLinkSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A Link Set consists of Link Tuples, each
representing a single link indexed by the
local and remote interface pair:
(L_neighbor_iface_addr_list, L_HEARD_time,
L_SYM_time, L_quality, L_pending,
L_lost, L_time).
The local interface is indexed via the
nhdpIfIndex. The 1-hop interface is
indexed via the nhdpDiscIfIndex. There
SHOULD be an entry in this table for each
local interface and associated 1-hop
neighbor reachable on this local interface.
Note that L_quality is not included in the
entries below, because updates may be
required too frequently."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpIfIndex,
nhdpDiscIfIndex }
::= { nhdpIibLinkSetTable 1 }
NhdpIibLinkSetEntry ::=
SEQUENCE {
nhdpIibLinkSetLHeardTime
TimeStamp,
nhdpIibLinkSetLSymTime
TimeStamp,
nhdpIibLinkSetLPending
TruthValue,
nhdpIibLinkSetLLost
TruthValue,
nhdpIibLinkSetLTime
TimeStamp
}
nhdpIibLinkSetLHeardTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIibLinkSetLHeardTime corresponds
to L_HEARD_time of NHDP and represents the
time up to which the MANET interface of the
1-hop neighbor would be considered heard if
not considering link quality."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIibLinkSetEntry 1 }
nhdpIibLinkSetLSymTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIibLinkSetLSymTime corresponds
to L_SYM_time of NHDP and represents the time
up to which the link to the 1-hop neighbor
would be considered symmetric if not considering
link quality."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIibLinkSetEntry 2 }
nhdpIibLinkSetLPending OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIibLinkSetLPending corresponds
to L_pending of NHDP and is a boolean flag,
describing if a link is considered pending
(i.e., a candidate, but not yet established,
link)."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIibLinkSetEntry 3 }
nhdpIibLinkSetLLost OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIibLinkSetLLost corresponds
to L_lost of NHDP and is a boolean flag,
describing if a link is considered lost due
to low link quality."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIibLinkSetEntry 4 }
nhdpIibLinkSetLTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIibLinkSetLTime specifies the value
of sysUpTime when this entry should expire and be
removed from the nhdpIibLinkSetTable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIibLinkSetEntry 5 }Then comes the 2-Hop Set 🌸 This one records network addresses of symmetric 2-hop neighbors, plus the symmetric links to the symmetric 1-hop neighbors they can be reached through. Its index is a bit of a stack: the local interface, the 1-hop neighbor interface, and then the address type and address of the 2-hop neighbor 🧩
--
-- 2-Hop Set
--
nhdpIib2HopSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpIib2HopSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A 2-Hop Set of an interface records network
addresses of symmetric 2-hop neighbors and
the symmetric links to symmetric 1-hop neighbors
through which these symmetric 2-hop neighbors
can be reached. It consists of 2-Hop Tuples."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpStateObjGrp 5 }
nhdpIib2HopSetEntry OBJECT-TYPE
SYNTAX NhdpIib2HopSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"nhdpIib2HopSetTable consists of 2-Hop Tuples, each
representing a single network address of a symmetric
2-hop neighbor and a single MANET interface of a
symmetric 1-hop neighbor.
(N2_neighbor_iface_addr_list,
N2_2hop_addr, N2_lost, N2_time).
The entries include:
- the 2-hop neighbor addresses
('N2_neighbor_iface_addr_list'), which
act as the table index,
- the associated symmetric 1-hop
neighbor address set ('N2_2hop_addr'), designated
through nhdpDiscIfIndex,
- a flag indicating if the 1-hop neighbor
through which this 2-hop neighbor is reachable
('N2_lost') is considered lost due to link quality,
or not,
- and the expiration time ('N2_time').
The nhdpIfIndex in the INDEX is the interface index of
the local interface through which these 2-hop addresses
are accessible. The nhdpDiscIfIndex in the INDEX
represents the 1-hop neighbor interface through which
these 2-hop neighbor addresses are reachable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011
and
RFC 7466 - An Optimization for the Mobile Ad Hoc
Network (MANET) Neighborhood Discovery Protocol (NHDP),
Dearlove, C., and T. Clausen, March 2015"
INDEX { nhdpIfIndex,
nhdpDiscIfIndex,
nhdpIib2HopSetIpAddressType,
nhdpIib2HopSetIpAddress
}
::= { nhdpIib2HopSetTable 1 }
NhdpIib2HopSetEntry ::=
SEQUENCE {
nhdpIib2HopSetIpAddressType
InetAddressType,
nhdpIib2HopSetIpAddress
InetAddress,
nhdpIib2HopSetIpAddrPrefixLen
InetAddressPrefixLength,
nhdpIib2HopSet1HopIfIndex
NeighborIfIndex,
nhdpIib2HopSetN2Time
TimeStamp,
nhdpIib2HopSetN2Lost
TruthValue
}
nhdpIib2HopSetIpAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The type of the nhdpIib2HopSetIpAddress
in the InetAddress MIB module (RFC 4001).
Only the values 'ipv4(1)' and
'ipv6(2)' are supported."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetEntry 1 }Okay bestie, so the 2-hop set table is where the router keeps track of the neighbors-of-neighbors 🦋 Each row is basically a little diary entry about a symmetric 2-hop neighbor, and we're about to read through the whole thing 💅
Here's the 2-hop IP address column, which is the index for the row. It's the network address of that 2-hop neighbor, and it's the one that lines up with N2_2hop_addr from NHDP ✨
nhdpIib2HopSetIpAddress OBJECT-TYPE
SYNTAX InetAddress (SIZE(4|16))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"nhdpIib2HopSetIpAddr corresponds
to N2_2hop_addr of NHDP and is a network
address of a symmetric 2-hop neighbor that
has a symmetric link (using any MANET
interface) to the indicated symmetric
1-hop neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetEntry 2 }Next up is the prefix length, which is how you know how wide the address range is. Basically, the leading one bits make a mask, you AND that with the address, and boom, you get the prefix. A row matches if the address you're searching with lands inside that range 🌸
nhdpIib2HopSetIpAddrPrefixLen OBJECT-TYPE
SYNTAX InetAddressPrefixLength
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the number of leading one bits that
form the mask. The mask is logically ANDed
to the nhdpIib2HopSetIpAddress to determine
the address prefix. A row match is true
if the address used as an index falls within
the network address range defined by the
address prefix."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetEntry 3 }Now the column that tells you which 1-hop neighbor told you about this 2-hop neighbor 🧚 It's the nhdpDiscIfIndex of the 1-hop neighbor that passed along that IP address, so you always know who the messenger was 💜
nhdpIib2HopSet1HopIfIndex OBJECT-TYPE
SYNTAX NeighborIfIndex
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIib2HopSet1HopIfIndex is
nhdpDiscIfIndex of the 1-hop
neighbor that communicated the ipAddress
of the 2-hop neighbor in this row entry."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetEntry 4 }This is the expiry timer. nhdpIib2HopSetN2Time tells you the sysUpTime value at which the entry should expire and get removed from the nhdpIib2HopSetTable. So it's basically the countdown clock for each row, and when it runs out, the row is gone, no cap 😭
nhdpIib2HopSetN2Time OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIib2HopSetN2Time specifies the value
of sysUpTime when this entry should expire and be
removed from the nhdpIib2HopSetTable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetEntry 5 }Next is the lost flag, which is lowkey the drama queen of the table 🙈 It's a boolean that says whether the matching Link Tuple is currently considered lost because of link quality. It corresponds to N2_lost from NHDP, and this one comes from RFC 7466 instead of RFC 6130 🎀
nhdpIib2HopSetN2Lost OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpIib2HopSetN2Lost corresponds to N2_lost of NHDP and
is a boolean flag, describing if for a 2-Hop Tuple, the
corresponding Link Tuple currently is considered lost
due to link quality."
REFERENCE
"RFC 7466 - An Optimization for the Mobile Ad Hoc
Network (MANET) Neighborhood Discovery Protocol (NHDP),
Dearlove, C., and T. Clausen, March 2015"
::= {nhdpIib2HopSetEntry 6}Now we're at the Neighbor Information Base (NIB) 👑 Each router keeps one, and it records addresses of current and recently symmetric 1-hop neighbors. The comments in the spec also point out that the Neighbor Set table is kind of small, because most of the good info lives in nhdpDiscoveredIfTable above it ✨
--
-- Neighbor Information Base (NIB)
--
-- Each router maintains a Neighbor Information Base
-- that records information about addresses of
-- current and recently symmetric 1-hop neighbors.
--
-- Neighbor Set
--
-- The Neighbor Set Table is small because
-- most of the corresponding information is found
-- in the nhdpDiscoveredIfTable above.
--
nhdpNibNeighborSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpNibNeighborSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Neighbor Set records all
network addresses of each 1-hop
neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpStateObjGrp 6 }
nhdpNibNeighborSetEntry OBJECT-TYPE
SYNTAX NhdpNibNeighborSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Neighbor Set consists
of Neighbor Tuples, each representing
a single 1-hop neighbor:
(N_neighbor_addr_list, N_symmetric)"
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscRouterIndex }
::= { nhdpNibNeighborSetTable 1 }
NhdpNibNeighborSetEntry ::=
SEQUENCE {
nhdpNibNeighborSetNSymmetric
TruthValue
}
nhdpNibNeighborSetNSymmetric OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpNibNeighborNSymmetric corresponds
to N_symmetric of NHDP and is a boolean flag,
describing if this is a symmetric 1-hop neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpNibNeighborSetEntry 1 }The Lost Neighbor Set is where recently symmetric neighbors go when they've been advertised as lost 🥺 It's basically the "recently dumped" list, and each row has a time you can compare against to know when it should be cleared out 🌈
--
-- Lost Neighbor Set
--
nhdpNibLostNeighborSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpNibLostNeighborSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Lost Neighbor Set records network
addresses of routers that were recently
symmetric 1-hop neighbors but are now
advertised as lost."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpStateObjGrp 7 }
nhdpNibLostNeighborSetEntry OBJECT-TYPE
SYNTAX NhdpNibLostNeighborSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's Lost Neighbor Set consists of
Lost Neighbor Tuples, each representing a
single such network address:
(NL_neighbor_addr, NL_time)"
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscRouterIndex }
::= { nhdpNibLostNeighborSetTable 1 }
NhdpNibLostNeighborSetEntry ::=
SEQUENCE {
nhdpNibLostNeighborSetNLTime
TimeStamp
}
nhdpNibLostNeighborSetNLTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"nhdpNibLostNeighborSetNLTime
specifies the value of sysUpTime when this entry
should expire and be removed from the
nhdpNibLostNeighborSetTable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpNibLostNeighborSetEntry 1 }Next up is the performance group 🍓 This one is all about counters that show how well NHDP is doing its thing. The group's own description says it "Contains objects that help to characterize the performance of the NHDP process, typically counters" 📊
--
-- nhdpPerformanceObjGrp
--
-- Contains objects that help to characterize the performance of
-- the NHDP process, typically counters.
--
nhdpPerformanceObjGrp OBJECT IDENTIFIER ::= { nhdpObjects 3 }
--
-- Objects per local interface
--
nhdpInterfacePerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpInterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table summarizes performance objects that are
measured per local NHDP interface.
nhdpIfPerfCounterDiscontinuityTime indicates
the most recent occasion at which any one or more
of this interface's counters listed in this table
suffered a discontinuity."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpPerformanceObjGrp 1 }
nhdpInterfacePerfEntry OBJECT-TYPE
SYNTAX NhdpInterfacePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A single entry contains performance counters for
a local NHDP interface."
INDEX { nhdpIfIndex }
::= { nhdpInterfacePerfTable 1 }
NhdpInterfacePerfEntry ::=
SEQUENCE {
nhdpIfHelloMessageXmits
Counter32,
nhdpIfHelloMessageRecvd
Counter32,
nhdpIfHelloMessageXmitAccumulatedSize
Counter64,
nhdpIfHelloMessageRecvdAccumulatedSize
Counter64,
nhdpIfHelloMessageTriggeredXmits
Counter32,
nhdpIfHelloMessagePeriodicXmits
Counter32,
nhdpIfHelloMessageXmitAccumulatedSymmetricNeighborCount
Counter32,
nhdpIfHelloMessageXmitAccumulatedHeardNeighborCount
Counter32,
nhdpIfHelloMessageXmitAccumulatedLostNeighborCount
Counter32,
nhdpIfPerfCounterDiscontinuityTime
TimeStamp
}Okay, the per-interface table is where every counter lives 🎀 Each row is one local NHDP interface, and the index is nhdpIfIndex. Here comes the first set of counters, starting with HELLO messages sent 📣
nhdpIfHelloMessageXmits OBJECT-TYPE
SYNTAX Counter32
UNITS "messages"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented each time a HELLO
message has been transmitted on that interface."
::= { nhdpInterfacePerfEntry 1 }
nhdpIfHelloMessageRecvd OBJECT-TYPE
SYNTAX Counter32
UNITS "messages"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented each time a HELLO
message has been received on that interface."
::= { nhdpInterfacePerfEntry 2 }
nhdpIfHelloMessageXmitAccumulatedSize OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented by the number of octets in
a HELLO message each time a HELLO message has been sent."
::= { nhdpInterfacePerfEntry 3 }
nhdpIfHelloMessageRecvdAccumulatedSize OBJECT-TYPE
SYNTAX Counter64
UNITS "octets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented by the number of octets in
a HELLO message each time a HELLO message has been received."
::= { nhdpInterfacePerfEntry 4 }
nhdpIfHelloMessageTriggeredXmits OBJECT-TYPE
SYNTAX Counter32
UNITS "messages"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented each time a triggered
HELLO message has been sent."
::= { nhdpInterfacePerfEntry 5 }
nhdpIfHelloMessagePeriodicXmits OBJECT-TYPE
SYNTAX Counter32
UNITS "messages"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented each time a periodic
HELLO message has been sent."
::= { nhdpInterfacePerfEntry 6 }
nhdpIfHelloMessageXmitAccumulatedSymmetricNeighborCount OBJECT-TYPE
SYNTAX Counter32
UNITS "neighbors"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented by the number of advertised
symmetric neighbors in a HELLO each time a HELLO
message has been sent."
::= { nhdpInterfacePerfEntry 7 }
nhdpIfHelloMessageXmitAccumulatedHeardNeighborCount OBJECT-TYPE
SYNTAX Counter32
UNITS "neighbors"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented by the number of advertised
heard neighbors in a HELLO each time a HELLO
message has been sent."
::= { nhdpInterfacePerfEntry 8 }okay bestie, we're deep in the performance counters now 📊✨ these track how the NHDP process is actually behaving, so think of them as its diary 🦋
nhdpIfHelloMessageXmitAccumulatedLostNeighborCount OBJECT-TYPE
SYNTAX Counter32
UNITS "neighbors"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A counter is incremented by the number of advertised
lost neighbors in a HELLO each time a HELLO
message has been sent."
::= { nhdpInterfacePerfEntry 9 }
nhdpIfPerfCounterDiscontinuityTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime on the most recent occasion at which
any one or more of this interface's counters suffered a
discontinuity. If no such discontinuities have occurred
since the last reinitialization of the local management
subsystem, then this object contains a zero value."
::= { nhdpInterfacePerfEntry 10 }
--
-- Objects per discovered neighbor interface
--
nhdpDiscIfSetPerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpDiscIfSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's set of performance properties for
each discovered interface of a neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpPerformanceObjGrp 2 }
nhdpDiscIfSetPerfEntry OBJECT-TYPE
SYNTAX NhdpDiscIfSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"There is an entry for each discovered
interface of a neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscIfIndex }
::= { nhdpDiscIfSetPerfTable 1 }
NhdpDiscIfSetPerfEntry ::=
SEQUENCE {
nhdpDiscIfRecvdPackets
Counter32,
nhdpDiscIfExpectedPackets
Counter32
}
nhdpDiscIfRecvdPackets OBJECT-TYPE
SYNTAX Counter32
UNITS "packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This counter increments each
time this router receives a packet from that interface
of the neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetPerfEntry 1 }
nhdpDiscIfExpectedPackets OBJECT-TYPE
SYNTAX Counter32
UNITS "packets"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This counter increments by the number
of missed packets from this neighbor based
on the packet sequence number each time this
router receives a packet from that interface
of the neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscIfSetPerfEntry 2 }
--
-- Objects concerning the Neighbor Set
--
nhdpNibNeighborSetChanges OBJECT-TYPE
SYNTAX Counter32
UNITS "changes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This counter increments each time the Neighbor Set changes.
A change occurs whenever a new Neighbor Tuple has been
added, a Neighbor Tuple has been removed, or any entry of
a Neighbor Tuple has been modified."
::= { nhdpPerformanceObjGrp 3 }
--
-- Objects per discovered neighbor
--
nhdpDiscNeighborSetPerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpDiscNeighborSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A router's set of discovered neighbors and
their properties."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpPerformanceObjGrp 4 }
nhdpDiscNeighborSetPerfEntry OBJECT-TYPE
SYNTAX NhdpDiscNeighborSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The entries include the nhdpDiscRouterIndex of
the discovered router as well as performance
objects related to changes of the Neighbor
Set."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscRouterIndex }
::= { nhdpDiscNeighborSetPerfTable 1 }
NhdpDiscNeighborSetPerfEntry ::=
SEQUENCE {
nhdpDiscNeighborNibNeighborSetChanges
Counter32,
nhdpDiscNeighborNibNeighborSetUpTime
TimeStamp,
nhdpDiscNeighborNibNeighborSetReachableLinkChanges
Counter32
}
nhdpDiscNeighborNibNeighborSetChanges OBJECT-TYPE
SYNTAX Counter32
UNITS "changes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object returns the number of changes
to the given Neighbor Tuple."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscNeighborSetPerfEntry 1 }
nhdpDiscNeighborNibNeighborSetUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object returns the sysUpTime when a new
nhdpNibNeighborSetEntry has been created for a
particular nhdpNibNeighborSetRouterIndex."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscNeighborSetPerfEntry 2 }
nhdpDiscNeighborNibNeighborSetReachableLinkChanges OBJECT-TYPE
SYNTAX Counter32
UNITS "changes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object counts each time the neighbor changes
the interface(s) over which it is reachable.
A change in the set of Link Tuples corresponding
to the appropriate Neighbor Tuple is registered,
i.e., a corresponding Link Tuple is added or removed
from the set of all corresponding Link Tuples."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpDiscNeighborSetPerfEntry 3 }
--
-- Objects per discovered 2-hop neighbor
--
nhdpIib2HopSetPerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF NhdpIib2HopSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains performance objects per
discovered 2-hop neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpPerformanceObjGrp 5 }
nhdpIib2HopSetPerfEntry OBJECT-TYPE
SYNTAX NhdpIib2HopSetPerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The entries contain performance objects per
discovered 2-hop neighbor."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
INDEX { nhdpDiscRouterIndex }
::= { nhdpIib2HopSetPerfTable 1 }
NhdpIib2HopSetPerfEntry ::=
SEQUENCE {
nhdpIib2HopSetPerfChanges
Counter32,
nhdpIib2HopSetPerfUpTime
TimeStamp
}
nhdpIib2HopSetPerfChanges OBJECT-TYPE
SYNTAX Counter32
UNITS "changes"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object counts the changes of the union of all
N2_neighbor_iface_addr_list of 2-Hop Tuples with an
N2_2hop_addr equal to one of the given 2-hop
neighbor's addresses."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetPerfEntry 1 }
nhdpIib2HopSetPerfUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object returns the sysUpTime
when the 2-Hop Tuple
corresponding to the given 2-hop neighbor IP address
was registered in the nhdpIib2HopSetTable."
REFERENCE
"RFC 6130 - Mobile Ad Hoc Network (MANET) Neighborhood
Discovery Protocol (NHDP), Clausen, T., Dearlove,
C., and J. Dean, April 2011"
::= { nhdpIib2HopSetPerfEntry 2 }
--
-- nhdpNotifications
--
nhdpNotificationsObjects OBJECT IDENTIFIER ::= { nhdpNotifications 0 }
nhdpNotificationsControl OBJECT IDENTIFIER ::= { nhdpNotifications 1 }Next up is the notifications bit, where the router gets to yell about what just happened 📣🌸
okay so the notifications are where this MIB gets lowkey dramatic 🔔✨ these are the things that ping your NMS when neighbors start flip-flopping 💅
nhdpNotificationsStates OBJECT IDENTIFIER ::= { nhdpNotifications 2 }
-- nhdpNotificationsObjects
nhdpNbrStateChange NOTIFICATION-TYPE
OBJECTS { nhdpIfName, -- The originator of the notification.
nhdpNbrState -- The new state
}
STATUS current
DESCRIPTION
"nhdpNbrStateChange is a notification sent when
more than nhdpNbrStateChangeThreshold neighbors change
their status (i.e., 'down(0)', 'asymmetric(1)', or
'symmetric(2)') within a time window of
nhdpNbrStateChangeWindow."
::= { nhdpNotificationsObjects 1 }
nhdp2HopNbrStateChange NOTIFICATION-TYPE
OBJECTS { nhdpIfName, -- The originator
-- of the notification
nhdp2HopNbrState -- The new state
}
STATUS current
DESCRIPTION
"nhdp2HopNbrStateChange is a notification sent
when more than nhdp2HopNbrStateChangeThreshold 2-hop
neighbors change their nhdp2HopNbrState
within a time window of
nhdp2HopNbrStateChangeWindow."
::= { nhdpNotificationsObjects 2 }
nhdpIfStateChange NOTIFICATION-TYPE
OBJECTS { nhdpIfName, -- The local interface
nhdpIfStatus -- The new status
}
STATUS current
DESCRIPTION
"nhdpIfStateChange is a notification sent when
nhdpIfStatus has changed on this interface."
::= { nhdpNotificationsObjects 3 }so basically nhdpNbrStateChange fires when more than the threshold of neighbors change their status within the window 👀 and nhdp2HopNbrStateChange is the 2-hop version of that drama 🦋 and nhdpIfStateChange just tells you when nhdpIfStatus changed on that interface 🌸
-- nhdpNotificationsControl
nhdpNbrStateChangeThreshold OBJECT-TYPE
SYNTAX Integer32 (0..255)
UNITS "changes"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A threshold value for the
nhdpNbrStateChange object. If the
number of occurrences exceeds this threshold
within the previous nhdpNbrStateChangeWindow,
then the nhdpNbrStateChange notification
is to be sent.
It is recommended that the value of this
threshold be set to at least 10 and higher
in dense topologies with frequent expected
topology changes."
DEFVAL { 10 }
::= { nhdpNotificationsControl 1 }
nhdpNbrStateChangeWindow OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A time window for the
nhdpNbrStateChange object. If the
number of occurrences exceeds the
nhdpNbrStateChangeThreshold
within the previous nhdpNbrStateChangeWindow,
then the nhdpNbrStateChange notification
is to be sent.
It is recommended that the value for this
window be set to at least 5 times the
nhdpHelloInterval.
This object represents the time in hundredths
of a second."
DEFVAL { 1000 }
::= { nhdpNotificationsControl 2 }
nhdp2HopNbrStateChangeThreshold OBJECT-TYPE
SYNTAX Integer32 (0..255)
UNITS "changes"
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A threshold value for the
nhdp2HopNbrStateChange object. If the
number of occurrences exceeds this threshold
within the previous nhdp2HopNbrStateChangeWindow,
then the nhdp2HopNbrStateChange notification
is to be sent.
It is recommended that the value of this
threshold be set to at least 10 and higher
when topologies are expected to be highly dynamic."
DEFVAL { 10 }
::= { nhdpNotificationsControl 3 }
nhdp2HopNbrStateChangeWindow OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"A time window for the
nhdp2HopNbrStateChange object. If the
number of occurrences exceeds the
nhdp2HopNbrStateChangeThreshold
within the previous nhdp2HopNbrStateChangeWindow,
then the nhdp2HopNbrStateChange notification
is to be sent.
It is recommended that the value for this
window be set to at least 5 times
nhdpHelloInterval.
This object represents the time in hundredths
of a second."
DEFVAL { 1000 }
::= { nhdpNotificationsControl 4 }now the control knobs 🎛️ the thresholds default to 10 changes, the windows default to 1000 (that's hundredths of a second, so ten seconds, bestie ⏱️) and the docs suggest the window be at least 5 times nhdpHelloInterval 💖
-- nhdpNotificationStates
nhdpNbrState OBJECT-TYPE
SYNTAX INTEGER {
down(0),
asymmetric(1),
symmetric(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"NHDP neighbor states. In NHDP, it is not
necessary to remove Protocol Tuples from Protocol Sets
at the exact time indicated, only to behave as if the
Protocol Tuples were removed at that time. This case is
indicated here as 'down(0)', all other cases being
indicated as 'asymmetric(1)' or 'symmetric(2)'. If 'down(0)',
the direct neighbor is also added to the
nhdpNibLostNeighborSetTable."
::= { nhdpNotificationsStates 1 }
nhdp2HopNbrState OBJECT-TYPE
SYNTAX INTEGER {
down(0),
up(1),
notconsidered(2)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"NHDP 2-hop neighbor states. In NHDP, it is not necessary
to remove Protocol Tuples from Protocol Sets at the
exact time indicated, only to behave as if the Protocol
Tuples were removed at that time. This case is indicated
here as 'down(0)'; otherwise, it is either 'up(1)', if
N2_lost for the 2-Hop Tuple is equal to false, or
'notconsidered(2)' otherwise."
::= { nhdpNotificationsStates 2 }the state objects are the actual values that the notifications are talking about 🧠 nhdpNbrState is down, asymmetric, or symmetric, and nhdp2HopNbrState is down, up, or notconsidered 🫶 and yes, there's that whole "it's fine to remove tuples a bit late as long as you act like you removed them on time" thing, which is so very NHDP 💅
--
-- nhdpConformance information
--
nhdpCompliances OBJECT IDENTIFIER ::= { nhdpConformance 1 }
nhdpMIBGroups OBJECT IDENTIFIER ::= { nhdpConformance 2 }
-- Compliance Statements
nhdpBasicCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The basic implementation requirements for
managed network entities that implement
NHDP."
MODULE -- this module
MANDATORY-GROUPS { nhdpConfigurationGroup }
::= { nhdpCompliances 1 }
nhdpFullCompliance2 MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The full implementation requirements for
managed network entities that implement
NHDP."
MODULE -- this module
MANDATORY-GROUPS { nhdpConfigurationGroup,
nhdpStateGroup2,
nhdpNotificationObjectGroup,
nhdpNotificationGroup,
nhdpPerformanceGroup
}
::= { nhdpCompliances 3 }okay the conformance section is where the "what do I actually have to implement" question gets answered 📋✨ there's a basic compliance statement that only mandates the configuration group, and a full one that wants the configuration, state, notification object, notification, and performance groups all on the list 👑
--
-- Units of Conformance
--
nhdpConfigurationGroup OBJECT-GROUP
OBJECTS {
nhdpIfName,
nhdpIfStatus,
nhdpHelloInterval,
nhdpHelloMinInterval,
nhdpRefreshInterval,
nhdpLHoldTime,
nhdpHHoldTime,
nhdpHystAcceptQuality,
nhdpHystRejectQuality,
nhdpInitialQuality,
nhdpInitialPending,
nhdpHpMaxJitter,
nhdpHtMaxJitter,
nhdpNHoldTime,
nhdpIHoldTime,
nhdpIfRowStatus,
nhdpLibLocalIfSetIfIndex,
nhdpLibLocalIfSetIpAddrType,
nhdpLibLocalIfSetIpAddr,
nhdpLibLocalIfSetIpAddrPrefixLen,
nhdpLibLocalIfSetRowStatus,
nhdpLibRemovedIfAddrSetIpAddrType,
nhdpLibRemovedIfAddrSetIpAddr,
nhdpLibRemovedIfAddrSetIpAddrPrefixLen,
nhdpLibRemovedIfAddrSetIfIndex,
nhdpLibRemovedIfAddrSetIRTime
}
STATUS current
DESCRIPTION
"Set of NHDP configuration objects implemented
in this module."
::= { nhdpMIBGroups 2 }
nhdpPerformanceGroup OBJECT-GROUP
OBJECTS {
nhdpIfHelloMessageXmits,
nhdpIfHelloMessageRecvd,
nhdpIfHelloMessageXmitAccumulatedSize,
nhdpIfHelloMessageRecvdAccumulatedSize,
nhdpIfHelloMessageTriggeredXmits,
nhdpIfHelloMessagePeriodicXmits,
nhdpIfHelloMessageXmitAccumulatedSymmetricNeighborCount,
nhdpIfHelloMessageXmitAccumulatedHeardNeighborCount,
nhdpIfHelloMessageXmitAccumulatedLostNeighborCount,
nhdpIfPerfCounterDiscontinuityTime,
nhdpDiscIfRecvdPackets,
nhdpDiscIfExpectedPackets,
nhdpNibNeighborSetChanges,
nhdpDiscNeighborNibNeighborSetChanges,
nhdpDiscNeighborNibNeighborSetUpTime,
nhdpDiscNeighborNibNeighborSetReachableLinkChanges,
nhdpIib2HopSetPerfChanges,
nhdpIib2HopSetPerfUpTime
}
STATUS current
DESCRIPTION
"Set of NHDP performance objects implemented
in this module."
::= { nhdpMIBGroups 4 }
nhdpNotificationObjectGroup OBJECT-GROUP
OBJECTS {
nhdpNbrStateChangeThreshold,
nhdpNbrStateChangeWindow,
nhdp2HopNbrStateChangeThreshold,
nhdp2HopNbrStateChangeWindow,
nhdpNbrState,
nhdp2HopNbrState
}
STATUS current
DESCRIPTION
"Set of NHDP notification objects implemented
in this module."
::= { nhdpMIBGroups 5 }
nhdpNotificationGroup NOTIFICATION-GROUP
NOTIFICATIONS {
nhdpNbrStateChange,
nhdp2HopNbrStateChange,
nhdpIfStateChange
}
STATUS current
DESCRIPTION
"Set of NHDP notifications implemented
in this module."
::= { nhdpMIBGroups 6 }
nhdpStateGroup2 OBJECT-GROUP
OBJECTS {
nhdpUpTime,
nhdpIfStateUpTime,
nhdpDiscRouterIndex,
nhdpDiscIfIndex,
nhdpDiscIfSetIpAddrType,
nhdpDiscIfSetIpAddr,
nhdpDiscIfSetIpAddrPrefixLen,
nhdpIibLinkSetLHeardTime,
nhdpIibLinkSetLSymTime,
nhdpIibLinkSetLPending,
nhdpIibLinkSetLLost,
nhdpIibLinkSetLTime,
nhdpIib2HopSetIpAddrPrefixLen,
nhdpIib2HopSet1HopIfIndex,
nhdpIib2HopSetN2Time,
nhdpIib2HopSetN2Lost,
nhdpNibNeighborSetNSymmetric,
nhdpNibLostNeighborSetNLTime
}
STATUS current
DESCRIPTION
"Set of NHDP state objects implemented
in this module."
::= { nhdpMIBGroups 7 }and this is the big bag of groups 🧺 every object gets sorted into its group (config, state, performance, notification objects, notifications), and each group gets its own number under nhdpMIBGroups 💜 it's giving org chart, but make it networking 🌈
--
-- Deprecated compliance statements and groupsand that's where this part wraps up, the deprecated stuff is next 🎀
okay so picking up right where the deprecated compliance stuff left off 💅
nhdpFullCompliance MODULE-COMPLIANCE
STATUS deprecated
DESCRIPTION
"The full implementation requirements for
managed network entities that implement
NHDP.
For version-independence, this compliance statement
is deprecated in favor of nhdpFullCompliance2."
MODULE -- this module
MANDATORY-GROUPS { nhdpConfigurationGroup,
nhdpStateGroup,
nhdpNotificationObjectGroup,
nhdpNotificationGroup,
nhdpPerformanceGroup
}
::= { nhdpCompliances 2 }
nhdpStateGroup OBJECT-GROUP
OBJECTS {
nhdpUpTime,
nhdpIfStateUpTime,
nhdpDiscRouterIndex,
nhdpDiscIfIndex,
nhdpDiscIfSetIpAddrType,
nhdpDiscIfSetIpAddr,
nhdpDiscIfSetIpAddrPrefixLen,
nhdpIibLinkSetLHeardTime,
nhdpIibLinkSetLSymTime,
nhdpIibLinkSetLPending,
nhdpIibLinkSetLLost,
nhdpIibLinkSetLTime,
nhdpIib2HopSetIpAddrPrefixLen,
nhdpIib2HopSet1HopIfIndex,
nhdpIib2HopSetN2Time,
nhdpNibNeighborSetNSymmetric,
nhdpNibLostNeighborSetNLTime
}
STATUS deprecated
DESCRIPTION
"Set of NHDP state objects implemented
in this module.
For version-independence, this compliance statement
is deprecated in favor of nhdpStateGroup2."
::= { nhdpMIBGroups 3 }
END8. Security Considerations 🔐
This MIB module is all about configuring, monitoring, and sending notifications for the Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP) [RFC6130]. NHDP lets routers learn topology information up to two hops away by swapping HELLO messages, and routing protocols can use that info. The neighborhood information routers trade over NHDP is the baseline those routing protocols use for calculating paths to all destinations in the MANET, picking relay sets for network-wide transmissions, and so on. 🦋
There are a bunch of management objects in this MIB module with a MAX-ACCESS of read-write and/or read-create, and those can be sensitive or vulnerable depending on the network. Supporting SET operations in a non-secure environment without proper protection opens devices up to attack. Here are the tables and objects with their sensitivity and vulnerability:
nhdpIfStatus: this writable object turns NHDP on or off for the specified interface. If it's disabled, higher-level protocol functions like routing would fail, and that causes network-wide disruptions. 😱nhdpHelloInterval,nhdpHelloMinInterval, andnhdpRefreshInterval: these writable objects control how fast HELLO messages get sent on an interface. Set them too high and it could be a form of denial-of-service (DoS) attack by overloading interface resources. 🚨nhdpHystAcceptQuality,nhdpHystRejectQuality,nhdpInitialQuality, andnhdpInitialPending: these writable objects affect how the quality of NHDP links is perceived, which affects the overall stability of the network. If they're improperly set, the network could see disruptions across the whole thing. 💀nhdpInterfaceTable: this table has writable objects that affect the overall performance and stability of the NHDP process. If NHDP fails, that's network-wide failure. The particularly sensitive objects from this table are covered in the bullets above. This is the only table in the NHDP-MIB module with writable objects. 👑
Some of the readable objects in this MIB module (the ones with a MAX-ACCESS other than not-accessible) may also be sensitive or vulnerable depending on the environment. So it's important to control even GET and/or NOTIFY access to them, and possibly even encrypt their values when sending them over the network via SNMP. Here's the tea on those:
nhdpDiscIfSetTable: this table contains info on discovered neighbors, specifically their IP addresses in thenhdpDiscIfSetIpAddrobject. That gives an adversary broad info on the members of the MANET, all in one table. It can be used to speed up attacks on the other members without having to go through a laborious discovery process on their own. This object is the index into the table and has a MAX-ACCESS of'not-accessible'. However, this info can still be exposed using SNMP operations. 🙈
MANET technology is often deployed to support communications for emergency services or military tactical applications. In those situations it's imperative to keep the communications network running properly and to protect sensitive info about how it operates. So it is RECOMMENDED to provide support for the Transport Security Model (TSM) [RFC5591] in combination with TLS/DTLS [RFC6353]. 🫶
SNMP versions prior to SNMPv3 didn't include adequate security. Even if the network itself is secure (for example by using IPsec), there's no control over who on that secure network gets to access and GET/SET (read/change/create/delete) the objects in this MIB module. 💅
Implementations SHOULD provide the security features described by the SNMPv3 framework (see [RFC3410]), and implementations claiming compliance to the SNMPv3 standard MUST include full support for authentication and privacy via the User-based Security Model (USM) [RFC3414] with the AES cipher algorithm [RFC3826]. Implementations MAY also provide support for the Transport Security Model (TSM) [RFC5591] in combination with a secure transport such as SSH [RFC5592] or TLS/DTLS [RFC6353]. ✨
Heads up bestie: deploying SNMP versions prior to SNMPv3 is NOT RECOMMENDED. 💀
Further, deployment of SNMP versions prior to SNMPv3 is NOT RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to enable cryptographic security. It is then a customer/operator responsibility to make sure the SNMP entity giving access to an instance of this MIB module is properly configured, so the objects are only accessible to the principals (users) that have legitimate rights to GET or SET (change/create/delete) them. 🔒
9. Applicability Statement 🗺️
This document describes objects for configuring parameters of the Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP) [RFC6130] process on a router. This MIB module, denoted NHDP-MIB, also reports state, performance information, and notifications. This section gives some examples of how this MIB module can be used in MANET network deployments. 🌸
NHDP is designed to let routers automatically discover and track routers one hop remote (called "neighbors") and routers two hops remote (called "2-hop neighbors"). Other MANET protocols running on the router use that info to do routing, multicast forwarding, and other functions with ad hoc and mobile networks. Three example scenarios where this MIB module is useful:
- For a Parking Lot Initial Configuration Situation: it's common for the vehicles making up the MANET, forward deployed at a remote spot like the site of a natural disaster, to get offloaded in a parking lot where the networking devices get their initial configuration. The config gets loaded from a fixed-location Network Operations Center (NOC) at the parking lot, and the vehicles stay stationary while the changes happen. Standards-based methods for configuration management from the co-located NOC are necessary for this deployment option. 🅿️
- For Mobile Vehicles with Low-Bandwidth Satellite Link to a Fixed NOC: the vehicles carrying the MANET routers have multiple wireless interfaces, and one is a relatively low-bandwidth, on-the-move satellite connection that links a fixed NOC to the nodes of the MANET. Standards-based methods for monitoring and fault management from the fixed NOC are necessary for this deployment option. 🛰️
- For Fixed NOC and Mobile Local Manager in Larger Vehicles: for larger vehicles, a hierarchical network management setup is useful. Centralized network management happens from a fixed NOC, while local management happens inside the vehicles. Standards-based methods for configuration, monitoring, and fault management are necessary for this deployment option. 🚐
10. IANA Considerations 🧾
The MIB module in this document uses the following IANA-assigned OBJECT IDENTIFIER value recorded in the SMI Numbers registry: 📇
Description OBJECT IDENTIFIER value
----------- -----------------------
NHDP-MIB { mib-2 213 }11. References 📚
11.1. Normative References 📚
okay these are the must-read receipts 🧾 bestie, the normative ones are the stuff you actually need to know to implement this 💅
- [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, <http://www.rfc-editor.org/info/rfc2119>.
- [RFC2578] McCloghrie, K., Ed., Perkins, D., Ed., and J. Schoenwaelder, Ed., "Structure of Management Information Version 2 (SMIv2)", STD 58, RFC 2578, DOI 10.17487/RFC2578, April 1999, <http://www.rfc-editor.org/info/rfc2578>.
- [RFC2579] McCloghrie, K., Ed., Perkins, D., Ed., and J. Schoenwaelder, Ed., "Textual Conventions for SMIv2", STD 58, RFC 2579, DOI 10.17487/RFC2579, April 1999, <http://www.rfc-editor.org/info/rfc2579>.
- [RFC2580] McCloghrie, K., Ed., Perkins, D., Ed., and J. Schoenwaelder, Ed., "Conformance Statements for SMIv2", STD 58, RFC 2580, DOI 10.17487/RFC2580, April 1999, <http://www.rfc-editor.org/info/rfc2580>.
- [RFC2863] McCloghrie, K. and F. Kastenholz, "The Interfaces Group MIB", RFC 2863, DOI 10.17487/RFC2863, June 2000, <http://www.rfc-editor.org/info/rfc2863>.
- [RFC3414] Blumenthal, U. and B. Wijnen, "User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)", STD 62, RFC 3414, DOI 10.17487/RFC3414, December 2002, <http://www.rfc-editor.org/info/rfc3414>.
- [RFC3418] Presuhn, R., Ed., "Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)", STD 62, RFC 3418, DOI 10.17487/RFC3418, December 2002, <http://www.rfc-editor.org/info/rfc3418>.
- [RFC3826] Blumenthal, U., Maino, F., and K. McCloghrie, "The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User-based Security Model", RFC 3826, DOI 10.17487/RFC3826, June 2004, <http://www.rfc-editor.org/info/rfc3826>.
- [RFC4001] Daniele, M., Haberman, B., Routhier, S., and J. Schoenwaelder, "Textual Conventions for Internet Network Addresses", RFC 4001, DOI 10.17487/RFC4001, February 2005, <http://www.rfc-editor.org/info/rfc4001>.
- [RFC5591] Harrington, D. and W. Hardaker, "Transport Security Model for the Simple Network Management Protocol (SNMP)", STD 78, RFC 5591, DOI 10.17487/RFC5591, June 2009, <http://www.rfc-editor.org/info/rfc5591>.
- [RFC5592] Harrington, D., Salowey, J., and W. Hardaker, "Secure Shell Transport Model for the Simple Network Management Protocol (SNMP)", RFC 5592, DOI 10.17487/RFC5592, June 2009, <http://www.rfc-editor.org/info/rfc5592>.
- [RFC6130] Clausen, T., Dearlove, C., and J. Dean, "Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP)", RFC 6130, DOI 10.17487/RFC6130, April 2011, <http://www.rfc-editor.org/info/rfc6130>.
- [RFC6340] Presuhn, R., "Textual Conventions for the Representation of Floating-Point Numbers", RFC 6340, DOI 10.17487/RFC6340, August 2011, <http://www.rfc-editor.org/info/rfc6340>.
- [RFC6353] Hardaker, W., "Transport Layer Security (TLS) Transport Model for the Simple Network Management Protocol (SNMP)", STD 78, RFC 6353, DOI 10.17487/RFC6353, July 2011, <http://www.rfc-editor.org/info/rfc6353>.
- [RFC7466] Dearlove, C. and T. Clausen, "An Optimization for the Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP)", RFC 7466, DOI 10.17487/RFC7466, March 2015, <http://www.rfc-editor.org/info/rfc7466>.
11.2. Informative References 🌸
these ones are the bonus reading, super helpful for context but not required to get the core stuff 🧚
- [RFC3410] Case, J., Mundy, R., Partain, D., and B. Stewart, "Introduction and Applicability Statements for Internet-Standard Management Framework", RFC 3410, DOI 10.17487/RFC3410, December 2002, <http://www.rfc-editor.org/info/rfc3410>.
- [RFC3411] Harrington, D., Presuhn, R., and B. Wijnen, "An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks", STD 62, RFC 3411, DOI 10.17487/RFC3411, December 2002, <http://www.rfc-editor.org/info/rfc3411>.
- [RFC4750] Joyal, D., Ed., Galecki, P., Ed., Giacalone, S., Ed., Coltun, R., and F. Baker, "OSPF Version 2 Management Information Base", RFC 4750, DOI 10.17487/RFC4750, December 2006, <http://www.rfc-editor.org/info/rfc4750>.
- [RFC5148] Clausen, T., Dearlove, C., and B. Adamson, "Jitter Considerations in Mobile Ad Hoc Networks (MANETs)", RFC 5148, DOI 10.17487/RFC5148, February 2008, <http://www.rfc-editor.org/info/rfc5148>.
- [RFC6779] Herberg, U., Cole, R., and I. Chakeres, "Definition of Managed Objects for the Neighborhood Discovery Protocol", RFC 6779, DOI 10.17487/RFC6779, October 2012, <http://www.rfc-editor.org/info/rfc6779>.
Acknowledgements 🫶
the authors wanna give a big shoutout to Benoit Claise, Elwyn Davies, Justin Dean, Adrian Farrel, Joel Halpern, Michael MacFaden, Al Morton, and Thomas Nadeau for their detailed reviews and insightful comments regarding RFC 6779 and this document 💖
this MIB document uses the template authored by D. Harrington, which is based on contributions from the MIB Doctors, especially Juergen Schoenwaelder, Dave Perkins, C.M. Heard, and Randy Presuhn 👑
Authors' Addresses 🎀
Ulrich Herberg
United States of America
Email: ulrich@herberg.name
URI: http://www.herberg.name/Robert G. Cole
US Army CERDEC
Space and Terrestrial Communications
6010 Frankford Road
Aberdeen Proving Ground, Maryland 21005
United States of America
Phone: +1 443 395-8744
Email: rgcole01@comcast.net
URI: http://www.cs.jhu.edu/~rgcole/Ian D Chakeres
Delvin
Ellicott City, Maryland 21042
United States of America
Email: ian.chakeres@gmail.com
URI: http://www.ianchak.com/Thomas Heide Clausen
Ecole Polytechnique
Phone: +33 6 6058 9349
Email: T.Clausen@computer.org
URI: http://www.ThomasClausen.org/📦 where this page comes from
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