Text File

Network Working Group M. Greene Request for Comments: 2677 Contractor Category: Standards Track J. Cucchiara IronBridge Networks J. Luciani Bay Networks August 1999

Definitions of Managed Objects for the NBMA Next Hop Resolution Protocol (NHRP)

Status of this Memo

This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

Abstract

This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects for the Next Hop Resolution Protocol (NHRP) as defined in RFC 2332.

Table of Contents

1 Introduction ................................................. 2 2 The SNMP Management Framework ................................ 2 3 Structure of the MIB ......................................... 3 3.1 The NHRP General Group ..................................... 3 3.1.1 The NHRP Cache Table ..................................... 4 3.1.2 The NHRP Purge Request Table ............................. 4 3.2 The NHRP Client Group ...................................... 4 3.2.1 The NHRP Client Table .................................... 4 3.2.2 The NHRP Client Registration Table ....................... 5 3.2.3 The NHRP Client NHS Table ................................ 5 3.2.4 The NHRP Client Statistics Table ......................... 5 3.3 The NHRP Server Group ...................................... 5 3.3.1 The NHRP Server Table .................................... 5 3.3.2 The NHRP Server Cache Table .............................. 5 3.3.3 The NHRP Server NHC Table ................................ 6

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3.3.4 The NHRP Server Statistics Table ......................... 6 4 NBMA Next Hop Resolution Protocol MIB Definitions ............ 6 5 IANA Considerations .......................................... 62 6 Security ..................................................... 62 7 Intellectual Property ........................................ 63 8 Acknowledgments .............................................. 63 9 References ................................................... 64 10 Authors' Addresses .......................................... 66 11 Full Copyright Statement .................................... 67

1. Introduction

This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects for the Next Hop Resolution Protocol (NHRP) as defined in RFC 2332 [17].

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [21].

2. The SNMP Management Framework

The SNMP Management Framework presently consists of five major components:

o An overall architecture, described in RFC 2571 [1].

o Mechanisms for describing and naming objects and events for the purpose of management. The first version of this Structure of Management Information (SMI) is called SMIv1 and described in STD 16, RFC 1155 [2], STD 16, RFC 1212 [3] and RFC 1215 [4]. The second version, called SMIv2, is described in STD 58, RFC 2578 [5], STD 58, RFC 2579 [6] and STD 58, RFC 2580 [7].

o Message protocols for transferring management information. The first version of the SNMP message protocol is called SNMPv1 and described in STD 15, RFC 1157 [8]. A second version of the SNMP message protocol, which is not an Internet standards track protocol, is called SNMPv2c and described in RFC 1901 [9] and RFC 1906 [10]. The third version of the message protocol is called SNMPv3 and described in RFC 1906 [10], RFC 2572 [11] and RFC 2574 [12].

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o Protocol operations for accessing management information. The first set of protocol operations and associated PDU formats is described in STD 15, RFC 1157 [8]. A second set of protocol operations and associated PDU formats is described in RFC 1905 [13].

o A set of fundamental applications described in RFC 2573 [14] and the view-based access control mechanism described in RFC 2575 [15].

A more detailed introduction to the current SNMP Management Framework can be found in RFC 2570 [16].

Managed objects are accessed via a virtual information store, termed the Management Information Base or MIB. Objects in the MIB are defined using the mechanisms defined in the SMI.

This memo specifies a MIB module that is compliant to the SMIv2. A MIB conforming to the SMIv1 can be produced through the appropriate translations. The resulting translated MIB must be semantically equivalent, except where objects or events are omitted because no translation is possible (use of Counter64). Some machine readable information in SMIv2 will be converted into textual descriptions in SMIv1 during the translation process. However, this loss of machine readable information is not considered to change the semantics of the MIB.

3. Structure of the MIB

The NHRP MIB contains three groups: the General Group, the Client Group, and the Server Group.

3.1. The NHRP General Group

The General Group contains objects that apply to both clients and servers -- in particular the nhrpNextIndex scalar object, the NHRP Cache Table and the NHRP Purge Request Table.

The nhrpNextIndex scalar object is used to provide unique indices for the nhprClientIndex in the nhrpClientTable and the nhrpServerIndex in the nhrpServerTable. If used consistently, this object may prevent conflicts when multiple managers attempt to create rows simultaneously in the same table.

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3.1.1. The NHRP Cache Table

The NHRP Cache Table represents the internetwork layer address to NBMA address cache that is maintained by both NHRP clients and NHRP servers.

The NHRP Cache Table contains an ifIndex as part of the Index Clause. This ifIndex represents the use of a generic ifIndex, such that the value of this ifIndex SHOULD reflect a specific NBMA subnetwork related interface as determined by an implementation. For example, assuming that the NBMA subnetwork is ATM, then it is up to the implementors of this MIB to determine their own ATM interface layering (assuming compliance with the IF-MIB, RFC 2233 [18] and the ATM-MIB, RFC 2515 [19]). In other words, assuming that the NBMA subnetwork is ATM, the ifIndex in the NHRP Cache Table would represent the ifIndex containing or consisting of the VC (or shortcut) denoted by this Table entry.

The indexing scheme for the NHRP Cache Table is very similar to the MPC Ingress Cache Table and the MPS Ingress Cache Table in the

Multiprotocol Over ATM (MPOA) MIB [23]. This MIB and the MPOA MIB were designed to be complementary and non-overlapping. The MPOA MIB should also support this MIB. The MPOA MIB was designed prior to this MIB, and was designed by the LANE/MPOA Working Group in the ATM FORUM. The indexing scheme of the NHRP Cache Table (and the NHRP Server Cache Table) reflect the indexing scheme of the MPC Ingress Cache Table and the MPS Ingress Cache Table. Although, other indexing schemes could have been used for the NHRP Cache Table, a consistent indexing scheme between these tables was thought to be more advantageous from an implementation standpoint.

3.1.2. The NHRP Purge Request Table

The NHRP Purge Request Table is a way to track Purge Request Information.

3.2. The NHRP Client Group

The Client Group contains objects that only apply to NHRP clients (NHCs).

3.2.1. The NHRP Client Table

The NHRP Client Table contains entries for NHRP Next Hop Clients (NHCs) associated with this agent. Each row in the table represents a single NHC. The RequestID used in Registration requests needs to be saved to non-volatile storage. Depending upon the implementation,

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this may or may not impact how the StorageType is used. For a complete description of how the Registration RequestID is used, see Section 5.2.3 of [17].

3.2.2. The NHRP Client Registration Table

The NHRP Client Registration Table contains information on registration requests which need to be maintained by the Clients. Each entry in this table represents a single registration request. Note: since the NHRP specification does not mandate a refresh algorithm, this table omits refresh information, however, this table does contain information for all the registration requests which need to be maintained by the NHRP Clients.

3.2.3. The NHRP Client NHS Table

The NHRP Client NHS Table contains the NBMA subnetwork addresses of servers configured for use by the client. By default, the agent will add an entry to this table which corresponds to the client's default router.

3.2.4. The NHRP Client Statistics Table

The NHRP Client Statistics Table contains NHRP statistics maintained by a client. These statistics include counters on requests and replies, as well as counters for errors which are encountered by the Clients.

3.3. The NHRP Server Group

The Server Group contains objects that only apply to NHRP servers (NHSes).

3.3.1. The NHRP Server Table

The NHRP Server Table contains entries for each server associated with this agent.

3.3.2. The NHRP Server Cache Table

The NHRP Server Cache Table contains additional objects that a server keeps for each entry in its cache. This table extends the NHRP Cache Table defined in the General Group.

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3.3.3. The NHRP Server NHC Table

This table contains information about all the Clients known to the Servers.

3.3.4. The NHRP Server Statistics Table

The NHRP Server Statistics Table contains NHRP statistics maintained by a server. These statistics include counters on requests and replies, as well as counters for errors which are encountered by the Servers.

4. NBMA Next Hop Resolution Protocol MIB Definitions

NHRP-MIB DEFINITIONS ::= BEGIN

IMPORTS

OBJECT-TYPE, MODULE-IDENTITY, mib-2, Integer32, Counter32, Unsigned32 FROM SNMPv2-SMI MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF TEXTUAL-CONVENTION, TruthValue, RowStatus, StorageType, TimeStamp FROM SNMPv2-TC ifIndex FROM IF-MIB AddressFamilyNumbers FROM IANA-ADDRESS-FAMILY-NUMBERS-MIB ;

nhrpMIB MODULE-IDENTITY LAST-UPDATED "9908260000Z" -- August 26, 1999 ORGANIZATION "Internetworking Over NBMA (ion) Working Group" CONTACT-INFO "Maria Greene (maria@xedia.com) Contractor

Joan Cucchiara (joan@ironbridgenetworks.com) IronBridge Networks

James V. Luciani (luciani@baynetworks.com) Bay Networks"

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DESCRIPTION "This MIB contains managed object definitions for the Next Hop Resolution Procol, NHRP, as defined in RFC 2332 [17]."

-- revision history

REVISION "9908260000Z" -- August 26, 1999 DESCRIPTION "Initial version, published as RFC 2677."

::= { mib-2 71 }

--**************************************************************** -- NHRP Textual Conventions --****************************************************************

NhrpGenAddr ::= TEXTUAL-CONVENTION STATUS current DESCRIPTION "The value of an internetwork layer or NBMA address." SYNTAX OCTET STRING (SIZE (0..64))

nhrpObjects OBJECT IDENTIFIER ::= { nhrpMIB 1 }

--**************************************************************** -- NHRP General (Client and Server) Objects --****************************************************************

nhrpGeneralObjects OBJECT IDENTIFIER ::= { nhrpObjects 1 }

-- -- The following scalar is to be used to -- provided indices for the -- nhrpClientTable, and/or the nhrpServerTable. --

nhrpNextIndex OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-only STATUS current DESCRIPTION "This scalar is used for creating rows in the nhrpClientTable and the nhrpServerTable. The value of this variable is a currently unused value for nhrpClientIndex and nhrpServerIndex.

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The value returned when reading this variable must be unique for the NHC's and NHS's indices associated with this row. Subsequent attempts to read this variable must return different values.

NOTE: this object exists in the General Group because it is to be used in establishing rows in the nhrpClientTable and the nhrpServerTable. In other words, the value retrieved from this object could become the value of nhrpClientIndex and nhprServerIndex.

In the situation of an agent re-initialization the value of this object must be saved in non-volatile storage.

This variable will return the special value 0 if no new rows can be created." ::= { nhrpGeneralObjects 1 }

-- -- The NHRP Cache Table --

nhrpCacheTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpCacheEntry MAX-ACCESS not-accessible STATUS current

DESCRIPTION "This table contains mappings between internetwork layer addresses and NBMA subnetwork layer addresses." ::= { nhrpGeneralObjects 2 }

nhrpCacheEntry OBJECT-TYPE SYNTAX NhrpCacheEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A cached mapping between an internetwork layer address and an NBMA address. Entries can be created by the network administrator using the nhrpCacheRowStatus column, or they may be added dynamically based on protocol operation (including NHRP, SCSP, and others, such as ATMARP).

When created based by NHRP protocol operations this entry is largely based on contents contained in the Client Information Entry (CIE).

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Zero or more Client Information Entries (CIEs) may be included in the NHRP Packet. For a complete description of the CIE, refer to Section 5.2.0.1 of RFC 2332 [17]." INDEX { nhrpCacheInternetworkAddrType, nhrpCacheInternetworkAddr, ifIndex, nhrpCacheIndex } ::= { nhrpCacheTable 1 }

NhrpCacheEntry ::= SEQUENCE { nhrpCacheInternetworkAddrType AddressFamilyNumbers, nhrpCacheInternetworkAddr NhrpGenAddr, nhrpCacheIndex Unsigned32, nhrpCachePrefixLength Integer32, nhrpCacheNextHopInternetworkAddr NhrpGenAddr, nhrpCacheNbmaAddrType AddressFamilyNumbers, nhrpCacheNbmaAddr NhrpGenAddr, nhrpCacheNbmaSubaddr NhrpGenAddr, nhrpCacheType INTEGER, nhrpCacheState INTEGER, nhrpCacheHoldingTimeValid TruthValue, nhrpCacheHoldingTime Unsigned32, nhrpCacheNegotiatedMtu Integer32, nhrpCachePreference Integer32, nhrpCacheStorageType StorageType, nhrpCacheRowStatus RowStatus

}

nhrpCacheInternetworkAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS not-accessible STATUS current DESCRIPTION "The internetwork layer address type of this Next Hop Resolution Cache entry. The value of this object indicates how to interpret the values of nhrpCacheInternetworkAddr and nhrpCacheNextHopInternetworkAddr." ::= { nhrpCacheEntry 1 }

nhrpCacheInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS not-accessible STATUS current

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DESCRIPTION "The value of the internetwork address of the destination." ::= { nhrpCacheEntry 2 }

nhrpCacheIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An identifier for this entry that has local significance within the scope of the General Group. This identifier is used here to uniquely identify this row, and also used in the 'nhrpPurgeTable' for the value of the 'nhrpPurgeCacheIdentifier'." ::= { nhrpCacheEntry 3 }

nhrpCachePrefixLength OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-only STATUS current DESCRIPTION "The number of bits that define the internetwork layer prefix associated with the nhrpCacheInternetworkAddr." ::= { nhrpCacheEntry 4 }

nhrpCacheNextHopInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the internetwork address of the next hop."

::= { nhrpCacheEntry 5 }

nhrpCacheNbmaAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The NBMA address type. The value of this object indicates how to interpret the values of nhrpCacheNbmaAddr and nhrpCacheNbmaSubaddr." ::= { nhrpCacheEntry 6 }

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nhrpCacheNbmaAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the NBMA subnetwork address of the next hop." ::= { nhrpCacheEntry 7 }

nhrpCacheNbmaSubaddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the NBMA subaddress of the next hop. If there is no subaddress concept for the NBMA address family, this value will be a zero-length OCTET STRING." ::= { nhrpCacheEntry 8 }

nhrpCacheType OBJECT-TYPE SYNTAX INTEGER { other(1), register(2), resolveAuthoritative(3), resoveNonauthoritative(4), transit(5), administrativelyAdded(6), atmarp(7), scsp(8) } MAX-ACCESS read-create STATUS current DESCRIPTION "An indication of how this cache entry was created. The values are:

'other(1)' The entry was added by some other means.

'register(2)' In a server, added based on a client registration.

'resolveAuthoritative(3)' In a client, added based on receiving an Authoritative NHRP Resolution Reply.

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'resolveNonauthoritative(4)' In a client, added based on receiving a Nonauthoritative NHRP Resolution Reply.

'transit(5)' In a transit server, added by examining a forwarded NHRP packet.

'administrativelyAdded(6)' In a client or server, manually added by the administrator. The StorageType of this entry is reflected in 'nhrpCacheStorageType'.

'atmarp(7)' The entry was added due to an ATMARP.

'scsp(8)' The entry was added due to SCSP.

When the entry is under creation using the nhrpCacheRowStatus column, the only value that can be specified by the administrator is 'administrativelyAdded'. Attempting to set any other value will cause an 'inconsistentValue' error.

The value cannot be modified once the entry is active." ::= { nhrpCacheEntry 9 }

nhrpCacheState OBJECT-TYPE SYNTAX INTEGER { incomplete(1), ackReply(2), nakReply(3) } MAX-ACCESS read-only STATUS current DESCRIPTION

"An indication of the state of this entry. The values are:

'incomplete(1)' The client has sent a NHRP Resolution Request but has not yet received the NHRP Resolution Reply.

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'ackReply(2)' For a client or server, this is a cached valid mapping.

'nakReply(3)' For a client or server, this is a cached NAK mapping." ::= { nhrpCacheEntry 10 }

nhrpCacheHoldingTimeValid OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "True(1) is returned if the value of 'nhrpCacheType' is not 'administrativelyAdded'. Since the value of 'nhrpCacheType' was not configured by a user, the value of 'nhrpCacheHoldingTime' is considered valid. In other words, the value of 'nhrpCacheHoldingTime' represents the Holding Time for the cache Entry.

If 'nhrpCacheType has been configured by a user, (i.e. the value of 'nhrpCacheType' is 'administrativelyAdded') then false(2) will be returned. This indicates that the value of 'nhrpCacheHoldingTime' is undefined because this row could possibly be backed up in nonvolatile storage." ::= { nhrpCacheEntry 11 }

nhrpCacheHoldingTime OBJECT-TYPE SYNTAX Unsigned32(0..65535) UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "If the value of 'nhrpCacheHoldingTimeValid is true(1) then this object represents the number of seconds that the cache entry will remain in this table. When this value reaches 0 (zero) the row should be deleted.

If the value of 'nhrpCacheHoldingTimeValid is false(2) then this object is undefined." ::= { nhrpCacheEntry 12 }

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nhrpCacheNegotiatedMtu OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS read-only STATUS current DESCRIPTION "The maximum transmission unit (MTU) that was negotiated or registered for this entity. In other words, this is the actual MTU being used." ::= { nhrpCacheEntry 13 }

nhrpCachePreference OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-create STATUS current DESCRIPTION "An object which reflects the Preference value of the Client Information Entry (CIE).

Zero or more Client Information Entries (CIEs) may be included in the NHRP Packet. One of the fields in the CIE is the Preference. For a complete description of the CIE, refer to Section 5.2.0.1 of RFC 2332 [17]." REFERENCE "Section 5.2.0.1 Mandatory Part Format, RFC 2332 [17]." ::= { nhrpCacheEntry 14 }

nhrpCacheStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "This value only has meaning when the 'nhrpCacheType' has the value of 'administrativelyAdded'.

When the row is created due to being 'administrativelyAdded', this object reflects whether this row is kept in volatile storage and lost upon reboot or if this row is backed up by non-volatile or permanent storage.

If the value of 'nhrpCacheType' has a value which is not 'administrativelyAdded, then the value of this object is 'other(1)'." DEFVAL { nonVolatile } ::= { nhrpCacheEntry 15 }

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nhrpCacheRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpCacheEntry 16 }

-- -- The NHRP Purge Request Table --

nhrpPurgeReqTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpPurgeReqEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table will track Purge Request Information." ::= { nhrpGeneralObjects 3 }

nhrpPurgeReqEntry OBJECT-TYPE SYNTAX NhrpPurgeReqEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information regarding a Purge Request." INDEX { nhrpPurgeIndex } ::= { nhrpPurgeReqTable 1 }

NhrpPurgeReqEntry ::= SEQUENCE { nhrpPurgeIndex Unsigned32, nhrpPurgeCacheIdentifier Unsigned32, nhrpPurgePrefixLength Integer32, nhrpPurgeRequestID Unsigned32, nhrpPurgeReplyExpected TruthValue, nhrpPurgeRowStatus RowStatus }

nhrpPurgeIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An index for this entry that has local significance within the scope of this table." ::= { nhrpPurgeReqEntry 1 }

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nhrpPurgeCacheIdentifier OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS read-create STATUS current

DESCRIPTION "This object identifies which row in 'nhrpCacheTable' is being purged. This object should have the same value as the 'nhrpCacheIndex' in the 'nhrpCacheTable'." ::= { nhrpPurgeReqEntry 2 }

nhrpPurgePrefixLength OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-only STATUS current DESCRIPTION "In the case of NHRP Purge Requests, this specifies the equivalence class of addresses which match the first 'Prefix Length' bit positions of the Client Protocol Address specified in the Client Information Entry (CIE)." ::= { nhrpPurgeReqEntry 3 }

nhrpPurgeRequestID OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "The Request ID used in the purge request." ::= { nhrpPurgeReqEntry 4 }

nhrpPurgeReplyExpected OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-create STATUS current DESCRIPTION "An indication of whether this Purge Request has the 'N' Bit cleared (off)." ::= { nhrpPurgeReqEntry 5 }

nhrpPurgeRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpPurgeReqEntry 6 }

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--**************************************************************** -- NHRP Client Objects --****************************************************************

nhrpClientObjects OBJECT IDENTIFIER ::= { nhrpObjects 2 }

-- -- The NHRP Client Table --

nhrpClientTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpClientEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about NHRP clients (NHCs) managed by this agent." ::= { nhrpClientObjects 1 }

nhrpClientEntry OBJECT-TYPE SYNTAX NhrpClientEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about a single NHC." INDEX { nhrpClientIndex } ::= { nhrpClientTable 1 }

NhrpClientEntry ::= SEQUENCE { nhrpClientIndex Unsigned32, nhrpClientInternetworkAddrType AddressFamilyNumbers, nhrpClientInternetworkAddr NhrpGenAddr, nhrpClientNbmaAddrType AddressFamilyNumbers, nhrpClientNbmaAddr NhrpGenAddr, nhrpClientNbmaSubaddr NhrpGenAddr, nhrpClientInitialRequestTimeout Integer32, nhrpClientRegistrationRequestRetries Integer32, nhrpClientResolutionRequestRetries Integer32, nhrpClientPurgeRequestRetries Integer32, nhrpClientDefaultMtu Unsigned32, nhrpClientHoldTime Unsigned32, nhrpClientRequestID Unsigned32, nhrpClientStorageType StorageType, nhrpClientRowStatus RowStatus }

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nhrpClientIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An identifier for the NHRP client that is unique within the scope of this agent. The 'nhrpNextIndex' value should be consulted (read), prior to creating a row in this table, and the value returned from reading 'nhrpNextIndex' should be used as this object's value."

::= { nhrpClientEntry 1 }

nhrpClientInternetworkAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the internetwork layer address of this client. This object indicates how the value of nhrpClientInternetworkAddr is to be interpreted." ::= { nhrpClientEntry 2 }

nhrpClientInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the internetwork layer address of this client." ::= { nhrpClientEntry 3 }

nhrpClientNbmaAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the NBMA subnetwork address of this client. This object indicates how the values of nhrpClientNbmaAddr and nhrpClientNbmaSubaddr are to be interpreted." ::= { nhrpClientEntry 4 }

nhrpClientNbmaAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current

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DESCRIPTION "The NBMA subnetwork address of this client." ::= { nhrpClientEntry 5 }

nhrpClientNbmaSubaddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The NBMA subaddress of this client. For NBMA address families without a subaddress concept, this will be a zero-length OCTET STRING." ::= { nhrpClientEntry 6 }

nhrpClientInitialRequestTimeout OBJECT-TYPE SYNTAX Integer32 (1..900) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The number of seconds that the client will wait before timing out an NHRP initial request. This object only has meaning for the initial timeout period." DEFVAL { 10 } ::= { nhrpClientEntry 7 }

nhrpClientRegistrationRequestRetries OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS read-create STATUS current DESCRIPTION "The number of times the client will retry the registration request before failure. A value of 0 means don't retry. A value of 65535 means retry forever." DEFVAL { 3 } ::= { nhrpClientEntry 8 }

nhrpClientResolutionRequestRetries OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS read-create STATUS current DESCRIPTION "The number of times the client will retry the resolution request before failure. A value of 0 means don't retry. A value of 65535 means retry forever." DEFVAL { 3 } ::= { nhrpClientEntry 9 }

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nhrpClientPurgeRequestRetries OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS read-create STATUS current DESCRIPTION "The number of times the client will retry a purge request before failure. A value of 0 means don't retry. A value of 65535 means retry forever." DEFVAL { 3 } ::= { nhrpClientEntry 10 }

nhrpClientDefaultMtu OBJECT-TYPE SYNTAX Unsigned32 (0..65535) MAX-ACCESS read-create STATUS current

DESCRIPTION "The default maximum transmission unit (MTU) of the LIS/LAG which this client should use. This object will be initialized by the agent to the default MTU of the LIS/LAG (which is 9180) unless a different MTU value is specified during creation of this Client." REFERENCE "RFC 2225 [25], Classical IP and ARP over ATM, Section 7, DEFAULT VALUE FOR IP MTU OVER ATM AAL5." DEFVAL { 9180 } ::= { nhrpClientEntry 11 }

nhrpClientHoldTime OBJECT-TYPE SYNTAX Unsigned32(0..65535) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The hold time the client will register." DEFVAL { 900 } ::= { nhrpClientEntry 12 }

nhrpClientRequestID OBJECT-TYPE SYNTAX Unsigned32 MAX-ACCESS read-create STATUS current DESCRIPTION "The Request ID used to register this client with its server. According to Section 5.2.3 of the NHRP Specification, RFC 2332 [17], the Request ID must be kept in non-volatile storage, so that if an NHC crashes and re-initializes, it will use a different

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Request ID during the registration process when reregistering with the same NHS." REFERENCE "Section 5.2.3 NHRP Registration Request, RFC 2332 [17]." ::= { nhrpClientEntry 13 }

nhrpClientStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines whether this row is kept in volatile storage and lost upon a Client crash or reboot situation, or if this row is backed up by nonvolatile or permanent storage." DEFVAL { nonVolatile } ::= { nhrpClientEntry 14 }

nhrpClientRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpClientEntry 15 }

-- -- The NHRP Client Registration Table --

nhrpClientRegistrationTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpClientRegistrationEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table of Registration Request Information that needs to be maintained by the NHCs (clients)." REFERENCE "Section 5.2.3 NHRP Registration Request, RFC 2332 [17]." ::= { nhrpClientObjects 2 }

nhrpClientRegistrationEntry OBJECT-TYPE SYNTAX NhrpClientRegistrationEntry MAX-ACCESS not-accessible STATUS current

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DESCRIPTION "An NHC needs to maintain registration request information between the NHC and the NHS. An entry in this table represents information for a single registration request." INDEX { nhrpClientIndex, nhrpClientRegIndex } ::= { nhrpClientRegistrationTable 1 }

NhrpClientRegistrationEntry ::= SEQUENCE { nhrpClientRegIndex Unsigned32, nhrpClientRegUniqueness INTEGER, nhrpClientRegState INTEGER, nhrpClientRegRowStatus RowStatus }

nhrpClientRegIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION

"An identifier for this entry such that it identifies a specific Registration Request from the NHC represented by the nhrpClientIndex." ::= { nhrpClientRegistrationEntry 1 }

nhrpClientRegUniqueness OBJECT-TYPE SYNTAX INTEGER { requestUnique(1), requestNotUnique(2) } MAX-ACCESS read-create STATUS current DESCRIPTION "The Uniqueness indicator for this Registration Request. If this object has the value of requestUnique(1), then the Uniqueness bit is set in the the NHRP Registration Request represented by this row. The value cannot be changed once the row is created." ::= { nhrpClientRegistrationEntry 2 }

nhrpClientRegState OBJECT-TYPE SYNTAX INTEGER { other(1), registering(2), ackRegisterReply(3), nakRegisterReply(4)

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} MAX-ACCESS read-only STATUS current DESCRIPTION "The registration state of this client. The values are: 'other(1)' The state of the registration request is not one of 'registering', 'ackRegisterReply' or 'nakRegisterReply'.

'registering(2)' A registration request has been issued and a registration reply is expected.

'ackRegisterReply(3)' A positive registration reply has been received.

'nakRegisterReply(4)' The client has received a negative registration reply (NAK)." ::= { nhrpClientRegistrationEntry 3 }

nhrpClientRegRowStatus OBJECT-TYPE

SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpClientRegistrationEntry 4 }

-- -- The NHRP Client->Server Table --

nhrpClientNhsTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpClientNhsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A table of NHSes that are available for use by this NHC (client). By default, the agent will add an entry to this table that corresponds to the client's default router." ::= { nhrpClientObjects 3 }

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nhrpClientNhsEntry OBJECT-TYPE SYNTAX NhrpClientNhsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An NHS that may be used by an NHC." INDEX { nhrpClientIndex, nhrpClientNhsIndex } ::= { nhrpClientNhsTable 1 }

NhrpClientNhsEntry ::= SEQUENCE { nhrpClientNhsIndex Unsigned32, nhrpClientNhsInternetworkAddrType AddressFamilyNumbers, nhrpClientNhsInternetworkAddr NhrpGenAddr, nhrpClientNhsNbmaAddrType AddressFamilyNumbers, nhrpClientNhsNbmaAddr NhrpGenAddr, nhrpClientNhsNbmaSubaddr NhrpGenAddr, nhrpClientNhsInUse TruthValue, nhrpClientNhsRowStatus RowStatus }

nhrpClientNhsIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An identifier for an NHS available to an NHC." ::= { nhrpClientNhsEntry 1 }

nhrpClientNhsInternetworkAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the internetwork layer address of the NHRP server represented in this entry. This object indicates how the value of nhrpClientNhsInternetworkAddr is to be interpreted." ::= { nhrpClientNhsEntry 2 }

nhrpClientNhsInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the destination internetwork layer address of the NHRP server represented by this

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entry. If this value is not known, this will be a zero-length OCTET STRING." ::= { nhrpClientNhsEntry 3 }

nhrpClientNhsNbmaAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the NBMA subnetwork address of the NHRP Server represented by this entry. This object indicates how the values of nhrpClientNhsNbmaAddr and nhrpClientNhsNbmaSubaddr are to be interpreted." ::= { nhrpClientNhsEntry 4 }

nhrpClientNhsNbmaAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The NBMA subnetwork address of the NHS. The type of the address is indicated by the corresponding value of nhrpClientNhsNbmaAddrType." ::= { nhrpClientNhsEntry 5 }

nhrpClientNhsNbmaSubaddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The NBMA subaddress of the NHS. For NMBA address families that do not have the concept of subaddress, this will be a zero-length OCTET STRING." ::= { nhrpClientNhsEntry 6 }

nhrpClientNhsInUse OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "An indication of whether this NHS is in use by the NHC." ::= { nhrpClientNhsEntry 7 }

nhrpClientNhsRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current

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DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpClientNhsEntry 8 }

-- -- The NHRP Client StatisticsTable --

nhrpClientStatTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpClientStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains statistics collected by NHRP clients." ::= { nhrpClientObjects 4 }

nhrpClientStatEntry OBJECT-TYPE SYNTAX NhrpClientStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Statistics collected by a NHRP client." INDEX { nhrpClientIndex } ::= { nhrpClientStatTable 1 }

NhrpClientStatEntry ::= SEQUENCE { nhrpClientStatTxResolveReq Counter32, nhrpClientStatRxResolveReplyAck Counter32, nhrpClientStatRxResolveReplyNakProhibited Counter32, nhrpClientStatRxResolveReplyNakInsufResources Counter32, nhrpClientStatRxResolveReplyNakNoBinding Counter32, nhrpClientStatRxResolveReplyNakNotUnique Counter32, nhrpClientStatTxRegisterReq Counter32, nhrpClientStatRxRegisterAck Counter32, nhrpClientStatRxRegisterNakProhibited Counter32, nhrpClientStatRxRegisterNakInsufResources Counter32, nhrpClientStatRxRegisterNakAlreadyReg Counter32,

nhrpClientStatRxPurgeReq Counter32, nhrpClientStatTxPurgeReq Counter32, nhrpClientStatRxPurgeReply Counter32, nhrpClientStatTxPurgeReply Counter32,

nhrpClientStatTxErrorIndication Counter32, nhrpClientStatRxErrUnrecognizedExtension Counter32, nhrpClientStatRxErrLoopDetected Counter32,

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nhrpClientStatRxErrProtoAddrUnreachable Counter32, nhrpClientStatRxErrProtoError Counter32, nhrpClientStatRxErrSduSizeExceeded Counter32, nhrpClientStatRxErrInvalidExtension Counter32, nhrpClientStatRxErrAuthenticationFailure Counter32, nhrpClientStatRxErrHopCountExceeded Counter32, nhrpClientStatDiscontinuityTime TimeStamp }

nhrpClientStatTxResolveReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Resolution Requests transmitted by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 1 }

nhrpClientStatRxResolveReplyAck OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of positively acknowledged NHRP Resolution Replies received by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 2 }

nhrpClientStatRxResolveReplyNakProhibited OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies received by this client that contained the code indicating 'Administratively Prohibited'.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 3 }

nhrpClientStatRxResolveReplyNakInsufResources OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies received by this client that contained the code indicating 'Insufficient Resources'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 4 }

nhrpClientStatRxResolveReplyNakNoBinding OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies received by this client that contained the code indicating 'No Internetworking Layer Address to NBMA Address Binding Exists'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime."

::= { nhrpClientStatEntry 5 }

nhrpClientStatRxResolveReplyNakNotUnique OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NAKed NHRP Resolution Replies received by this client that contained the code indicating 'Binding Exists But Is Not Unique'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 6 }

nhrpClientStatTxRegisterReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Registration Requests transmitted by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 7 }

nhrpClientStatRxRegisterAck OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of positively acknowledged NHRP Registration Replies received by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 8 }

nhrpClientStatRxRegisterNakProhibited OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NAKed NHRP Registration Replies received by this client that contained the code indicating 'Administratively Prohibited'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 9 }

nhrpClientStatRxRegisterNakInsufResources OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Registration Replies received by this client that contained the code indicating 'Insufficient Resources'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 10 }

nhrpClientStatRxRegisterNakAlreadyReg OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Registration Replies received by this client that contained the code indicating 'Unique Internetworking Layer Address Already Registered'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 11 }

nhrpClientStatRxPurgeReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NHRP Purge Requests received by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 12 }

nhrpClientStatTxPurgeReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Requests transmitted by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 13 }

nhrpClientStatRxPurgeReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Replies received by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 14 }

nhrpClientStatTxPurgeReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Replies transmitted by this client.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." ::= { nhrpClientStatEntry 15 }

nhrpClientStatTxErrorIndication OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this client.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 16 }

nhrpClientStatRxErrUnrecognizedExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Unrecognized Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 17 }

nhrpClientStatRxErrLoopDetected OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'NHRP Loop Detected'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 18 }

nhrpClientStatRxErrProtoAddrUnreachable OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Protocol Address Unreachable'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 19 }

nhrpClientStatRxErrProtoError OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Protocol Error'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 20 }

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nhrpClientStatRxErrSduSizeExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'NHRP SDU Size

Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 21 }

nhrpClientStatRxErrInvalidExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Invalid Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 22 }

nhrpClientStatRxErrAuthenticationFailure OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Authentication Failure'.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 23 }

nhrpClientStatRxErrHopCountExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

DESCRIPTION "The number of NHRP Error Indication packets received by this client with the error code 'Hop Count Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Client re-initialization and at other times as indicated by the value of nhrpClientStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpClientStatEntry 24 }

nhrpClientStatDiscontinuityTime 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 Client's counters suffered a discontinuity. If no such discontinuities have occurred since the last re-initialization of the local management subsystem or the NHRP Client re-initialization associated with this entry, then this object contains a zero value." REFERENCE "RFC 2233 [18]." ::= { nhrpClientStatEntry 25 }

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--**************************************************************** -- NHRP Server Objects --****************************************************************

nhrpServerObjects OBJECT IDENTIFIER ::= { nhrpObjects 3 }

-- -- The NHRP Next Hop Server Table --

nhrpServerTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpServerEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains information for a set of NHSes associated with this agent." ::= { nhrpServerObjects 1 }

nhrpServerEntry OBJECT-TYPE SYNTAX NhrpServerEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about a single NHS." INDEX { nhrpServerIndex } ::= { nhrpServerTable 1 }

NhrpServerEntry ::= SEQUENCE { nhrpServerIndex Unsigned32, nhrpServerInternetworkAddrType AddressFamilyNumbers, nhrpServerInternetworkAddr NhrpGenAddr, nhrpServerNbmaAddrType AddressFamilyNumbers, nhrpServerNbmaAddr NhrpGenAddr, nhrpServerNbmaSubaddr NhrpGenAddr, nhrpServerStorageType StorageType, nhrpServerRowStatus RowStatus }

nhrpServerIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An identifier for the server that is unique within the scope of this agent." ::= { nhrpServerEntry 1 }

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nhrpServerInternetworkAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the internetwork layer address of this server. This object is used to interpret the value of nhrpServerInternetworkAddr." ::= { nhrpServerEntry 2 }

nhrpServerInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the internetwork layer address of this server." ::= { nhrpServerEntry 3 }

nhrpServerNbmaAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the NBMA subnetwork address of this server. This object is used to interpret the value of nhrpServerNbmaAddr." ::= { nhrpServerEntry 4 }

nhrpServerNbmaAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the NBMA subnetwork address of this server." ::= { nhrpServerEntry 5 }

nhrpServerNbmaSubaddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the NBMA subaddress of this server. For NBMA address families without a subaddress concept, this will be a zero-length OCTET STRING." ::= { nhrpServerEntry 6 }

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nhrpServerStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines whether this row is kept in volatile storage and lost upon a Server crash or reboot situation, or if this row is backed up by nonvolatile or permanent storage." DEFVAL { nonVolatile } ::= { nhrpServerEntry 7 }

nhrpServerRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpServerEntry 8 }

-- -- The Server Cache Table -- nhrpServerCacheTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpServerCacheEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table extends the nhrpCacheTable for NHSes. If the nhrpCacheTable has a row added due to an NHS or based on information regarding an NHS then a row is also added in this table.

The rows in this table will be created when rows in the nhrpCacheTable are created. However, there may be rows created in the nhrpCacheTable which do not have corresponding rows in this table. For example, if the nhrpCacheTable has a row added due to a Next Hop Client which is co-resident on the same device as the NHS, a row will not be added to this table." ::= { nhrpServerObjects 2 }

nhrpServerCacheEntry OBJECT-TYPE SYNTAX NhrpServerCacheEntry MAX-ACCESS not-accessible STATUS current

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DESCRIPTION "Additional information kept by a NHS for a relevant Next Hop Resolution Cache entry." INDEX { nhrpCacheInternetworkAddrType, nhrpCacheInternetworkAddr, ifIndex, nhrpCacheIndex } ::= { nhrpServerCacheTable 1 }

NhrpServerCacheEntry ::= SEQUENCE { nhrpServerCacheAuthoritative TruthValue, nhrpServerCacheUniqueness TruthValue }

nhrpServerCacheAuthoritative OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "An indication of whether this cache entry is authoritative, which means the entry was added because of a direct registration request with this server or by Server Cache Synchronization Protocol (SCSP) from an authoritative source." ::= { nhrpServerCacheEntry 1 }

nhrpServerCacheUniqueness OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-create STATUS current DESCRIPTION "The Uniqueness indicator for this cache entry used in duplicate address detection. This value cannot be changed after the entry is active." ::= { nhrpServerCacheEntry 2 }

-- -- The NHRP Server->Client Table --

nhrpServerNhcTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpServerNhcEntry MAX-ACCESS not-accessible STATUS current

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DESCRIPTION "A table of NHCs that are available for use by this NHS (Server)." REFERENCE "Section 4 Configuration (Next Hop Servers), RFC 2332 [17]." ::= { nhrpServerObjects 3 }

nhrpServerNhcEntry OBJECT-TYPE SYNTAX NhrpServerNhcEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An NHC that may be used by an NHS." INDEX { nhrpServerIndex, nhrpServerNhcIndex } ::= { nhrpServerNhcTable 1 }

NhrpServerNhcEntry ::= SEQUENCE { nhrpServerNhcIndex Unsigned32, nhrpServerNhcPrefixLength Integer32, nhrpServerNhcInternetworkAddrType AddressFamilyNumbers, nhrpServerNhcInternetworkAddr NhrpGenAddr, nhrpServerNhcNbmaAddrType AddressFamilyNumbers, nhrpServerNhcNbmaAddr NhrpGenAddr, nhrpServerNhcNbmaSubaddr NhrpGenAddr, nhrpServerNhcInUse TruthValue, nhrpServerNhcRowStatus RowStatus }

nhrpServerNhcIndex OBJECT-TYPE SYNTAX Unsigned32 (1..4294967295) MAX-ACCESS not-accessible STATUS current DESCRIPTION "An identifier for an NHC available to an NHS." ::= { nhrpServerNhcEntry 1 }

nhrpServerNhcPrefixLength OBJECT-TYPE SYNTAX Integer32 (0..255) MAX-ACCESS read-create STATUS current DESCRIPTION "The number of bits that define the internetwork layer prefix associated with the nhrpServerNhcInternetworkAddr." ::= { nhrpServerNhcEntry 2 }

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nhrpServerNhcInternetworkAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the internetwork layer address of the NHRP Client represented in this entry. This object indicates how the value of nhrpServerNhcInternetworkAddr is to be interpreted." ::= { nhrpServerNhcEntry 3 }

nhrpServerNhcInternetworkAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The value of the internetwork layer address of the NHRP Client represented by this entry. If this value is not known, this will be a zero-length OCTET STRING." ::= { nhrpServerNhcEntry 4 }

nhrpServerNhcNbmaAddrType OBJECT-TYPE SYNTAX AddressFamilyNumbers MAX-ACCESS read-create STATUS current DESCRIPTION "The type of the NBMA subnetwork address of the NHRP Client represented by this entry. This object indicates how the values of nhrpServerNhcNbmaAddr and nhrpServerNhcNbmaSubaddr are to be interpreted." ::= { nhrpServerNhcEntry 5 }

nhrpServerNhcNbmaAddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current DESCRIPTION "The NBMA subnetwork address of the NHC. The type of the address is indicated by the corresponding value of nhrpServerNbmaAddrType." ::= { nhrpServerNhcEntry 6 }

nhrpServerNhcNbmaSubaddr OBJECT-TYPE SYNTAX NhrpGenAddr MAX-ACCESS read-create STATUS current

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DESCRIPTION "The NBMA subaddress of the NHC. For NMBA address familes that do not have the concept of subaddress, this will be a zero-length OCTET STRING." ::= { nhrpServerNhcEntry 7 }

nhrpServerNhcInUse OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "An indication of whether this NHC is in use by the NHS." ::= { nhrpServerNhcEntry 8 }

nhrpServerNhcRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "An object that allows entries in this table to be created and deleted using the RowStatus convention." ::= { nhrpServerNhcEntry 9 }

-- -- The Next Hop Server Statistics Table --

nhrpServerStatTable OBJECT-TYPE SYNTAX SEQUENCE OF NhrpServerStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Statistics collected by Next Hop Servers." ::= { nhrpServerObjects 4 }

nhrpServerStatEntry OBJECT-TYPE SYNTAX NhrpServerStatEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Statistics for a particular NHS. The statistics are broken into received (Rx), transmitted (Tx) and forwarded (Fw). Forwarded (Fw) would be done by a transit NHS." INDEX { nhrpServerIndex } ::= { nhrpServerStatTable 1 }

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NhrpServerStatEntry ::= SEQUENCE { nhrpServerStatRxResolveReq Counter32, nhrpServerStatTxResolveReplyAck Counter32, nhrpServerStatTxResolveReplyNakProhibited Counter32, nhrpServerStatTxResolveReplyNakInsufResources Counter32, nhrpServerStatTxResolveReplyNakNoBinding Counter32, nhrpServerStatTxResolveReplyNakNotUnique Counter32,

nhrpServerStatRxRegisterReq Counter32, nhrpServerStatTxRegisterAck Counter32, nhrpServerStatTxRegisterNakProhibited Counter32, nhrpServerStatTxRegisterNakInsufResources Counter32, nhrpServerStatTxRegisterNakAlreadyReg Counter32,

nhrpServerStatRxPurgeReq Counter32, nhrpServerStatTxPurgeReq Counter32, nhrpServerStatRxPurgeReply Counter32, nhrpServerStatTxPurgeReply Counter32,

-- Error Indications nhrpServerStatRxErrUnrecognizedExtension Counter32, nhrpServerStatRxErrLoopDetected Counter32, nhrpServerStatRxErrProtoAddrUnreachable Counter32, nhrpServerStatRxErrProtoError Counter32, nhrpServerStatRxErrSduSizeExceeded Counter32, nhrpServerStatRxErrInvalidExtension Counter32, nhrpServerStatRxErrInvalidResReplyReceived Counter32, nhrpServerStatRxErrAuthenticationFailure Counter32, nhrpServerStatRxErrHopCountExceeded Counter32,

nhrpServerStatTxErrUnrecognizedExtension Counter32, nhrpServerStatTxErrLoopDetected Counter32, nhrpServerStatTxErrProtoAddrUnreachable Counter32, nhrpServerStatTxErrProtoError Counter32, nhrpServerStatTxErrSduSizeExceeded Counter32, nhrpServerStatTxErrInvalidExtension Counter32, nhrpServerStatTxErrAuthenticationFailure Counter32, nhrpServerStatTxErrHopCountExceeded Counter32,

-- Transit NHS statistics nhrpServerStatFwResolveReq Counter32, nhrpServerStatFwResolveReply Counter32, nhrpServerStatFwRegisterReq Counter32, nhrpServerStatFwRegisterReply Counter32, nhrpServerStatFwPurgeReq Counter32, nhrpServerStatFwPurgeReply Counter32, nhrpServerStatFwErrorIndication Counter32, nhrpServerStatDiscontinuityTime TimeStamp

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}

nhrpServerStatRxResolveReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Resolution Requests received by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 1 }

nhrpServerStatTxResolveReplyAck OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of positively acknowledged NHRP Resolution Replies transmitted by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 2 }

nhrpServerStatTxResolveReplyNakProhibited OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies transmitted by this server with the code 'Administratively Prohibited'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 3 }

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nhrpServerStatTxResolveReplyNakInsufResources OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies transmitted by this server with the code 'Insufficient Resources'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 4 }

nhrpServerStatTxResolveReplyNakNoBinding OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies transmitted by this server with the code 'No Internetworking Layer Address to NBMA Address Binding Exists'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 5 }

nhrpServerStatTxResolveReplyNakNotUnique OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Resolution Replies transmitted by this server with the code 'Binding Exists But Is Not Unique'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 6 }

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nhrpServerStatRxRegisterReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Registration Requests received by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 7 }

nhrpServerStatTxRegisterAck OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of positively acknowledged NHRP Registration Replies transmitted by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 8 }

nhrpServerStatTxRegisterNakProhibited OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Registration Replies transmitted by this server with the code 'Administratively Prohibited'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 9 }

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nhrpServerStatTxRegisterNakInsufResources OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Registration Replies transmitted by this server with the code 'Insufficient Resources'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 10 }

nhrpServerStatTxRegisterNakAlreadyReg OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NAKed NHRP Registration Replies transmitted by this server with the code 'Unique Internetworking Layer Address Already Registered'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 11 }

nhrpServerStatRxPurgeReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Requests received by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 12 }

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nhrpServerStatTxPurgeReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Requests transmitted by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 13 }

nhrpServerStatRxPurgeReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Replies received by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 14 }

nhrpServerStatTxPurgeReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Replies transmitted by this server.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 15 }

nhrpServerStatRxErrUnrecognizedExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only

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STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code

'Unrecognized Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 16 }

nhrpServerStatRxErrLoopDetected OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'NHRP Loop Detected'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 17 }

nhrpServerStatRxErrProtoAddrUnreachable OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Protocol Address Unreachable'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime."

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REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 18 }

nhrpServerStatRxErrProtoError OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Protocol Error'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 19 }

nhrpServerStatRxErrSduSizeExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'NHRP SDU Size Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 20 }

nhrpServerStatRxErrInvalidExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Invalid Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 21 }

nhrpServerStatRxErrInvalidResReplyReceived OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Invalid Resolution Reply Received'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 22 }

nhrpServerStatRxErrAuthenticationFailure OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Authentication Failure'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 23 }

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nhrpServerStatRxErrHopCountExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets received by this server with the error code 'Hop Count Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 24 }

nhrpServerStatTxErrUnrecognizedExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'Unrecognized Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 25 }

nhrpServerStatTxErrLoopDetected OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'NHRP Loop Detected'.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 26 }

nhrpServerStatTxErrProtoAddrUnreachable OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'Protocol Address Unreachable'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 27 }

nhrpServerStatTxErrProtoError OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'Protocol Error'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 28 }

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nhrpServerStatTxErrSduSizeExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'NHRP SDU Size Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 29 }

nhrpServerStatTxErrInvalidExtension OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code

'Invalid Extension'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 30 }

nhrpServerStatTxErrAuthenticationFailure OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'Authentication Failure'.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 31 }

nhrpServerStatTxErrHopCountExceeded OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets transmitted by this server with the error code 'Hop Count Exceeded'.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." REFERENCE "Section 5.2.7 NHRP Error Indication, RFC 2332 [17]." ::= { nhrpServerStatEntry 32 }

nhrpServerStatFwResolveReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Resolution Requests forwarded by this server acting as a transit NHS.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 33 }

nhrpServerStatFwResolveReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current

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DESCRIPTION "The number of NHRP Resolution Replies forwarded by this server acting as a transit NHS.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 34 }

nhrpServerStatFwRegisterReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Registration Requests forwarded by this server acting as a transit NHS.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 35 }

nhrpServerStatFwRegisterReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Registration Replies forwarded by this server acting as a transit NHS. Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 36 }

nhrpServerStatFwPurgeReq OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Requests forwarded by this server acting as a transit NHS.

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Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 37 }

nhrpServerStatFwPurgeReply OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Purge Replies forwarded by this server acting as a transit NHS.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 38 }

nhrpServerStatFwErrorIndication OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of NHRP Error Indication packets forwarded by this server acting as a transit NHS.

Discontinuities in the value of this counter can occur at re-initialization of the management system, at NHRP Server re-initialization and at other times as indicated by the value of nhrpServerStatDiscontinuityTime." ::= { nhrpServerStatEntry 39 }

nhrpServerStatDiscontinuityTime 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 Server's counters suffered a discontinuity. If no such discontinuities have occurred since the last re-initialization of the

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RFC 2677 NHRP MIB August 1999

local management subsystem or the NHRP Server re-initialization associated with this entry, then this object contains a zero value." REFERENCE "RFC 2233 [18]." ::= { nhrpServerStatEntry 40 }

--**************************************************************** -- Module Compliance Statement --****************************************************************

nhrpConformance OBJECT IDENTIFIER ::= { nhrpMIB 2 }

nhrpCompliances OBJECT IDENTIFIER ::= { nhrpConformance 1 }

nhrpGroups OBJECT IDENTIFIER ::= { nhrpConformance 2 }

nhrpModuleCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for the NHRP MIB." MODULE -- this module MANDATORY-GROUPS { nhrpGeneralGroup }

GROUP nhrpClientGroup DESCRIPTION "This group must be supported only by stations that are NHRP clients."

GROUP nhrpServerGroup DESCRIPTION "This group must be supported only by stations that are NHRP servers." ::= { nhrpCompliances 1 }

nhrpGeneralGroup OBJECT-GROUP OBJECTS {

nhrpNextIndex, nhrpCachePrefixLength, nhrpCacheNextHopInternetworkAddr, nhrpCacheNbmaAddrType, nhrpCacheNbmaAddr, nhrpCacheNbmaSubaddr, nhrpCacheType, nhrpCacheState,

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nhrpCacheHoldingTimeValid, nhrpCacheHoldingTime, nhrpCacheNegotiatedMtu, nhrpCachePreference, nhrpCacheStorageType, nhrpCacheRowStatus, nhrpPurgeCacheIdentifier, nhrpPurgePrefixLength, nhrpPurgeRequestID, nhrpPurgeReplyExpected, nhrpPurgeRowStatus } STATUS current DESCRIPTION "Objects that apply to both NHRP clients and NHRP servers." ::= { nhrpGroups 1 }

nhrpClientGroup OBJECT-GROUP OBJECTS { nhrpClientInternetworkAddrType, nhrpClientInternetworkAddr, nhrpClientNbmaAddrType, nhrpClientNbmaAddr, nhrpClientNbmaSubaddr, nhrpClientInitialRequestTimeout, nhrpClientRegistrationRequestRetries, nhrpClientResolutionRequestRetries, nhrpClientPurgeRequestRetries, nhrpClientDefaultMtu, nhrpClientHoldTime, nhrpClientRequestID, nhrpClientStorageType, nhrpClientRowStatus, nhrpClientRegUniqueness, nhrpClientRegState, nhrpClientRegRowStatus, nhrpClientNhsInternetworkAddrType, nhrpClientNhsInternetworkAddr, nhrpClientNhsNbmaAddrType, nhrpClientNhsNbmaAddr, nhrpClientNhsNbmaSubaddr,

nhrpClientNhsInUse, nhrpClientNhsRowStatus, nhrpClientStatTxResolveReq, nhrpClientStatRxResolveReplyAck, nhrpClientStatRxResolveReplyNakProhibited,

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nhrpClientStatRxResolveReplyNakInsufResources, nhrpClientStatRxResolveReplyNakNoBinding, nhrpClientStatRxResolveReplyNakNotUnique, nhrpClientStatTxRegisterReq, nhrpClientStatRxRegisterAck, nhrpClientStatRxRegisterNakProhibited, nhrpClientStatRxRegisterNakInsufResources, nhrpClientStatRxRegisterNakAlreadyReg, nhrpClientStatRxPurgeReq, nhrpClientStatTxPurgeReq, nhrpClientStatRxPurgeReply, nhrpClientStatTxPurgeReply, nhrpClientStatTxErrorIndication, nhrpClientStatRxErrUnrecognizedExtension, nhrpClientStatRxErrLoopDetected, nhrpClientStatRxErrProtoAddrUnreachable, nhrpClientStatRxErrProtoError, nhrpClientStatRxErrSduSizeExceeded, nhrpClientStatRxErrInvalidExtension, nhrpClientStatRxErrAuthenticationFailure, nhrpClientStatRxErrHopCountExceeded, nhrpClientStatDiscontinuityTime } STATUS current DESCRIPTION "Objects that apply only to NHRP clients." ::= { nhrpGroups 2 }

nhrpServerGroup OBJECT-GROUP OBJECTS { nhrpServerInternetworkAddrType, nhrpServerInternetworkAddr, nhrpServerNbmaAddrType, nhrpServerNbmaAddr, nhrpServerNbmaSubaddr, nhrpServerStorageType, nhrpServerRowStatus, nhrpServerCacheAuthoritative, nhrpServerCacheUniqueness, nhrpServerNhcPrefixLength, nhrpServerNhcInternetworkAddrType, nhrpServerNhcInternetworkAddr, nhrpServerNhcNbmaAddrType, nhrpServerNhcNbmaAddr, nhrpServerNhcNbmaSubaddr, nhrpServerNhcInUse, nhrpServerNhcRowStatus, nhrpServerStatRxResolveReq,

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nhrpServerStatTxResolveReplyAck, nhrpServerStatTxResolveReplyNakProhibited, nhrpServerStatTxResolveReplyNakInsufResources, nhrpServerStatTxResolveReplyNakNoBinding, nhrpServerStatTxResolveReplyNakNotUnique, nhrpServerStatRxRegisterReq, nhrpServerStatTxRegisterAck, nhrpServerStatTxRegisterNakProhibited, nhrpServerStatTxRegisterNakInsufResources, nhrpServerStatTxRegisterNakAlreadyReg, nhrpServerStatRxPurgeReq, nhrpServerStatTxPurgeReq, nhrpServerStatRxPurgeReply, nhrpServerStatTxPurgeReply, nhrpServerStatRxErrUnrecognizedExtension, nhrpServerStatRxErrLoopDetected, nhrpServerStatRxErrProtoAddrUnreachable, nhrpServerStatRxErrProtoError, nhrpServerStatRxErrSduSizeExceeded, nhrpServerStatRxErrInvalidExtension, nhrpServerStatRxErrInvalidResReplyReceived, nhrpServerStatRxErrAuthenticationFailure, nhrpServerStatRxErrHopCountExceeded, nhrpServerStatTxErrUnrecognizedExtension, nhrpServerStatTxErrLoopDetected, nhrpServerStatTxErrProtoAddrUnreachable, nhrpServerStatTxErrProtoError, nhrpServerStatTxErrSduSizeExceeded, nhrpServerStatTxErrInvalidExtension, nhrpServerStatTxErrAuthenticationFailure, nhrpServerStatTxErrHopCountExceeded, nhrpServerStatFwResolveReq, nhrpServerStatFwResolveReply, nhrpServerStatFwRegisterReq, nhrpServerStatFwRegisterReply, nhrpServerStatFwPurgeReq, nhrpServerStatFwPurgeReply, nhrpServerStatFwErrorIndication, nhrpServerStatDiscontinuityTime } STATUS current DESCRIPTION "Objects that apply only to NHRP servers." ::= { nhrpGroups 3 }

END

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RFC 2677 NHRP MIB August 1999

5. IANA Considerations

The Internet Assigned Numbers Authority (IANA) has been and continues to be responsible for maintaining the ADDRESS FAMILY NUMBERS (http://www.isi.edu/in-notes/iana/assignments/address-family-numbers) name space assignments. The IANA has placed this list in a MIB module, such that it may be imported into other MIBs. The motivation for doing this is to allow MIBs to not have to change when a new assignment is made to the ADDRESS FAMILY NUMBERS. This is very similar to the motivation behind the IANAifType-MIB.

Any additions or changes to the list of ADDRESS FAMILY NUMBERS registered via IANA will be done as they have in the past and this document does not propose any changes to the ADDRESS FAMILY NUMBERS other than to place them into a MIB, which can be found via anonymous FTP at: ftp://ftp.isi.edu/mib/ianaaddressfamilynumbers.mib.

6. Security

There are a number of management objects defined in this MIB that have a MAX-ACCESS clause of read-write and/or read-create. Such objects may be considered sensitive or vulnerable in some network environments. The support for SET operations in a non-secure environment without proper protection can have a negative effect on network operations.

The NHRP Protocol, RFC 2332 [17], Section 5.2.4.4 discusses security. There is an authentication option which should be utilized to authenticate the source and also provide data integrity to the NHRP payload. This MIB does not contain any managed objects which configure or expose security information such as that needed for NHRP authentication or data integrity.

The following items were deemed to jeopardize security and thus, were NOT added to this MIB. Items denoted as (configurable) are those which would need values. Items denoted as (read-only) are those which would provide information. Although the NHRP Protocol [17], requires or has this information, exposing it in a MIB would jeopardize the entire NBMA domain where NHRP was being used. Therefore, these items have been omitted from the MIB.

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1. (configurable) enable/disable security 2. (configurable) SPI (security parameter index). Depending upon the implementation, there may be multiple SPIs, and these would be configurable also. For example, if the implementation switched to a different SPI after a given time. 3. (configurable) algorithm. The HMAC-MD5-128 is the default hash algorithm. 4. (configurable) lifetime value in seconds. 5. (read-only) key. 6. (read-only) list of users who have access to the above information.

7. Intellectual Property

The IETF takes no position regarding the validity or scope of any intellectual property or other rights that might be claimed to pertain to the implementation or use of the technology described in this document or the extent to which any license under such rights might or might not be available; neither does it represent that it has made any effort to identify any such rights. Information on the IETF's procedures with respect to rights in standards-track and standards-related documentation can be found in BCP-11. Copies of claims of rights made available for publication and any assurances of licenses to be made available, or the result of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementors or users of this specification can be obtained from the IETF Secretariat.

The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary rights which may cover technology that may be required to practice this standard. Please address the information to the IETF Executive Director.

8. Acknowledgments

This document is a product of the IETF's Internetworking Over NBMA Networks (ion) Working Group.

The authors would like to thank Avri Doria (Bytex) for the first draft of the NHRP MIB and Keith McCloghrie (cisco) and David Horton (CITR) for their feedback and suggestions. Also, we would like to thank Naganand Doraswamy (Bay Networks) for assistance with the "Security Considerations" section.

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RFC 2677 NHRP MIB August 1999

9. References

[1] Harrington, D., Presuhn, R. and B. Wijnen, "An Architecture for Describing SNMP Management Frameworks", RFC 2571, April 1999.

[2] Rose, M. and K. McCloghrie, "Structure and Identification of Management Information for TCP/IP-based Internets", STD 16, RFC 1155, May 1990.

[3] Rose, M. and K. McCloghrie, "Concise MIB Definitions", STD 16, RFC 1212, March 1991.

[4] Rose, M., "A Convention for Defining Traps for use with the SNMP", RFC 1215, March 1991.

[5] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose, M. and S. Waldbusser, "Structure of Management Information Version 2 (SMIv2)", STD 58, RFC 2578, April 1999.

[6] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose, M. and S. Waldbusser, "Textual Conventions for SMIv2", STD 58, RFC 2579, April 1999.

[7] McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose, M. and S. Waldbusser, "Conformance Statements for SMIv2", STD 58, RFC 2580, April 1999.

[8] Case, J., Fedor, M., Schoffstall, M. and J. Davin, "Simple Network Management Protocol", STD 15, RFC 1157, May 1990.

[9] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Introduction to Community-based SNMPv2", RFC 1901, January 1996.

[10] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Transport Mappings for Version 2 of the Simple Network Management Protocol (SNMPv2)", RFC 1906, January 1996.

[11] Case, J., Harrington D., Presuhn R. and B. Wijnen, "Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)", RFC 2572, April 1999.

[12] Blumenthal, U. and B. Wijnen, "User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)", RFC 2574, April 1999.

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[13] Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Protocol Operations for Version 2 of the Simple Network Management Protocol (SNMPv2)", RFC 1905, January 1996.

[14] Levi, D., Meyer, P. and B. Stewart, "SNMPv3 Applications", RFC 2573, April 1999.

[15] Wijnen, B., Presuhn, R. and K. McCloghrie, "View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)", RFC 2575, April 1999.

[16] Case, J., Mundy, R., Partain, D. and B. Stewart, "Introduction to Version 3 of the Internet-standard Network Management Framework", RFC 2570, April 1999.

[17] Luciani, J. V., Katz, D., Piscitello, D. and B. Cole, "NBMA Next Hop Resolution Protocol (NHRP)", RFC 2332, December 1997.

[18] McCloghrie, K. and F. Kastenholz, "The Interfaces Group MIB using SMIv2", RFC 2233, November 1997.

[19] Tesink, K., Editor, "Definitions of Managed Objects for ATM Management", RFC 2515, February 1999.

[20] Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA Considerations Section in RFCs", BCP 26, RFC 2434, October 1998.

[21] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997.

[22] Bradner, S., "The Internet Standards Process -- Revision 3", BCP 9, RFC 2026, October 1996.

[23] Cucchiara, J., editor, "Multiprotocol Over ATM Version 1.0 MIB", af-mpoa-0092.000, ATM Forum, July 1998.

[24] Fredette, A., editor, "Multiprotocol Over ATM Version 1.0", af-mpoa-0087.000, ATM Forum, May 1997.

[25] Laubach, M., and J. Halpern, "Classical IP and ARP over ATM", RFC 2225, April 1998.

[26] Greene, M., J. Luciani, K. White and T. Kuo, "Definitions of Managed Objects for Classical IP and ARP Over ATM Using SMIv2", RFC 2320, April 1998.

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10. Authors' Addresses

James V. Luciani Bay Networks 3 Federal Street Mail Stop: BL3-03 Billerica, MA 01821

Phone: (978) 288-4734 EMail: luciani@baynetworks.com

Maria Greene Contractor Xedia, Corp. 119 Russell Dr. Littleton, MA 01460

EMail: maria@xedia.com

Joan Cucchiara IronBridge Networks 55 Hayden Ave. Lexington, MA 02421

Phone: (781) 372-8236 EMail: joan@ironbridgenetworks.com

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RFC 2677 NHRP MIB August 1999

12. Full Copyright Statement

Copyright (C) The Internet Society (1999). All Rights Reserved.

This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English.

The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns.

This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Acknowledgement

Funding for the RFC Editor function is currently provided by the Internet Society.

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