Internet Engineering Task Force PIM-WG INTERNET-DRAFT Editor draft-ietf-pim-mib-v2-01.txt Jonathan Nicholas ITT A/CD November 2002 Expires May 2003 Protocol Independent Multicast MIB Status of this Document This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet- Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. This document is a product of the IETF PIM WG. Comments should be addressed to the authors, or the WG's mailing list at pim@catarina.usc.edu. 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 used for managing the Protocol Independent Multicast (PIM) protocol. Nicholas [Page 1] INTERNET-DRAFT Expires: May 2002 November 2002 Table of Contents 1 Introduction ................................................. 2 2 The SNMP Network Management Framework ........................ 2 3 Overview ..................................................... 3 4 Definitions .................................................. 4 5 Security Considerations ...................................... 29 6 Acknowledgements ............................................. 30 7 Authors' Addresses ........................................... 30 8 References ................................................... 30 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 used for managing the Protocol Independent Multicast (PIM) protocol [18,19]. 2. The SNMP Network Management Framework The SNMP Management Framework presently consists of five major components: * An overall architecture, described in RFC 2571 [1]. * 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]. * 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]. * 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]. * A set of fundamental applications described in RFC 2573 [14] and the view-based access control mechanism described in RFC 2575 [15]. Nicholas [Page 2] INTERNET-DRAFT Expires: December 2002 June 2002 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. Overview This MIB module contains one scalar and eight tables. Some of the objects in these tables are deprecated. This MIB contains deprecated objects since they are necessary for managing PIMv1 routers, but PIMv1 itself is obsoleted by PIM v2 [18,19]. The tables contained in this MIB are: (1) The PIM Interface Table contains one row for each of the router's PIM interfaces. (2) The PIM Neighbor Table contains one row for each of the router's PIM neighbors. (3) The PIM IP Multicast Route Table contains one row for each multicast routing entry whose incoming interface is running PIM. (4) The PIM Next Hop Table which contains one row for each outgoing interface list entry in the multicast routing table whose interface is running PIM, and whose state is pruned. (5) The (deprecated) PIM RP Table contains the PIM (version 1) information for IP multicast groups which is common to all RPs of a group. (6) The PIM RP-Set Table contains the PIM (version 2) information for sets of candidate Rendezvous Points (RPs) for IP multicast group addresses with particular address prefixes. (7) The PIM Candidate-RP Table contains the IP multicast groups for which the local router is to advertise itself as a Candidate-RP. If this table is empty, then the local router advertises itself as a Candidate-RP for all groups. (8) The PIM Component Table contains one row for each of the PIM domains to which the router is connected. Nicholas [Page 3] INTERNET-DRAFT Expires: May 2002 November 2002 4. Definitions PIM-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, experimental, NOTIFICATION-TYPE, Integer32, IpAddress, TimeTicks FROM SNMPv2-SMI RowStatus, TruthValue FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP FROM SNMPv2-CONF ipMRouteGroup, ipMRouteSource, ipMRouteSourceMask, ipMRouteNextHopGroup, ipMRouteNextHopSource, ipMRouteNextHopSourceMask, ipMRouteNextHopIfIndex, ipMRouteNextHopAddress FROM IPMROUTE-STD-MIB InterfaceIndex FROM IF-MIB; pimMIB MODULE-IDENTITY LAST-UPDATED "200210280000Z" -- October 28, 2002 ORGANIZATION "IETF PIM Working Group." CONTACT-INFO " Jonathan Nicholas ITT Industries Aerospace/Communications Division 100 Kingsland Rd Clifton, NJ 07014 Phone: +1 973 284 2019 EMail: jonathan.nicholas@itt.com" DESCRIPTION "The MIB module for management of PIM routers." REVISION "200009280000Z" -- September 28, 2000 DESCRIPTION "Initial version, published as RFC 2934." REVISION "200210280000Z" -- October 28, 2002 DESCRIPTION "Revised November 4, 2002." ::= { experimental 61 } pimMIBObjects OBJECT IDENTIFIER ::= { pimMIB 1 } pimTraps OBJECT IDENTIFIER ::= { pimMIBObjects 0 } pim OBJECT IDENTIFIER ::= { pimMIBObjects 1 } Nicholas [Page 4] INTERNET-DRAFT Expires: May 2002 November 2002 pimJoinPruneInterval OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "The default interval at which periodic PIM-SM Join/Prune messages are to be sent." DEFVAL { 60 } ::= { pim 1 } -- The PIM Interface Table pimInterfaceTable OBJECT-TYPE SYNTAX SEQUENCE OF PimInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing the router's PIM interfaces. IGMP and PIM are enabled on all interfaces listed in this table." ::= { pim 2 } pimInterfaceEntry OBJECT-TYPE SYNTAX PimInterfaceEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimInterfaceTable." INDEX { pimInterfaceIfIndex } ::= { pimInterfaceTable 1 } PimInterfaceEntry ::= SEQUENCE { pimInterfaceIfIndex InterfaceIndex, pimInterfaceAddress IpAddress, pimInterfaceNetMask IpAddress, pimInterfaceMode INTEGER, pimInterfaceDR IpAddress, pimInterfaceHelloInterval Integer32, pimInterfaceStatus RowStatus, pimInterfaceJoinPruneInterval Integer32, pimInterfaceCBSRPreference Integer32, pimInterfaceTrigHelloInterval Integer32, pimInterfaceHelloHoldtime Integer32, pimInterfaceLanPruneDelay BITS, pimInterfacePropagationDelay Integer32, pimInterfaceOverrideInterval Integer32, pimInterfaceGenerationID BITS, pimInterfaceJoinPruneHoldtime Integer32, pimInterfaceGraftRetryInterval Integer32, pimInterfaceMaxGraftRetries Integer32, pimInterfaceSRTTLThreshold Integer32, Nicholas [Page 5] INTERNET-DRAFT Expires: May 2002 November 2002 pimInterfaceLanDelayEnabled TruthValue, pimInterfaceSRCapable TruthValue, pimInterfaceDRPriority Integer32 } pimInterfaceIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS not-accessible STATUS current DESCRIPTION "The ifIndex value of this PIM interface." ::= { pimInterfaceEntry 1 } pimInterfaceAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of the PIM interface." ::= { pimInterfaceEntry 2 } pimInterfaceNetMask OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The network mask for the IP address of the PIM interface." ::= { pimInterfaceEntry 3 } pimInterfaceMode OBJECT-TYPE SYNTAX INTEGER { dense(1), sparse(2), sparseDense(3) } MAX-ACCESS read-create STATUS current DESCRIPTION "The configured mode of this PIM interface. A value of sparseDense is only valid for PIMv1." DEFVAL { dense } ::= { pimInterfaceEntry 4 } pimInterfaceDR OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The Designated Router on this PIM interface." ::= { pimInterfaceEntry 5 } Nicholas [Page 6] INTERNET-DRAFT Expires: May 2002 November 2002 pimInterfaceHelloInterval OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The frequency at which PIM Hello messages are transmitted on this interface." DEFVAL { 30 } ::= { pimInterfaceEntry 6 } pimInterfaceStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this entry. Creating the entry enables PIM on the interface; destroying the entry disables PIM on the interface." ::= { pimInterfaceEntry 7 } pimInterfaceJoinPruneInterval OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The frequency at which PIM Join/Prune messages are transmitted on this PIM interface. The default value of this object is the pimJoinPruneInterval." ::= { pimInterfaceEntry 8 } pimInterfaceCBSRPreference OBJECT-TYPE SYNTAX Integer32 (-1..255) MAX-ACCESS read-create STATUS current DESCRIPTION "The preference value for the local interface as a candidate bootstrap router. The value of -1 is used to indicate that the local interface is not a candidate BSR interface." DEFVAL { 0 } ::= { pimInterfaceEntry 9 } pimInterfaceTrigHelloInterval OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The maximum time before a triggered PIM Hello message is transmitted on this interface." DEFVAL { 5 } ::= { pimInterfaceEntry 10 } Nicholas [Page 7] INTERNET-DRAFT Expires: May 2002 November 2002 pimInterfaceHelloHoldtime OBJECT-TYPE SYNTAX Integer32 (0..65535) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The value set in the Holdtime field of Hello messages transmitted on this interface. This should be 3.5 times the value of pimInterfaceHelloInterval." DEFVAL { 105 } ::= { pimInterfaceEntry 11 } pimInterfaceLanPruneDelay OBJECT-TYPE SYNTAX BITS { off (0), on (1) } MAX-ACCESS read-create STATUS current DESCRIPTION "Turns the LAN Prune Delay Option off and on on this interface." DEFVAL { on } ::= { pimInterfaceEntry 12 } pimInterfacePropagationDelay OBJECT-TYPE SYNTAX Integer32 (0..32767) UNITS "milliseconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The value inserted into the LAN Prune Delay field of a LAN Prune Delay option on this interface." DEFVAL { 500 } ::= { pimInterfaceEntry 13 } pimInterfaceOverrideInterval OBJECT-TYPE SYNTAX Integer32 (0..65535) MAX-ACCESS read-create STATUS current DESCRIPTION "The value inserted into the Override Interval field of a LAN Prune Delay option on this interface." DEFVAL { 2500 } ::= { pimInterfaceEntry 14 } pimInterfaceGenerationID OBJECT-TYPE SYNTAX BITS { off (0), on (1) } MAX-ACCESS read-create STATUS current DESCRIPTION "Turns the Generation ID Option off and on on this interface." DEFVAL { off } ::= { pimInterfaceEntry 15 } Nicholas [Page 8] INTERNET-DRAFT Expires: May 2002 November 2002 pimInterfaceJoinPruneHoldtime OBJECT_TYPE SYNTAX Integer32 (0..65535) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The value inserted into the Holdtime field of a Join/ Prune message sent on this interface. The value should be 3.5 times pimInterfaceJoinPruneInterval." DEFVAL { 210 } ::= { pimInterfaceEntry 16 } pimInterfaceGraftRetryInterval OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The interval a PIM router waits for a Graft Ack before resending a Graft on this interface." DEFVAL { 3 } ::= { pimInterfaceEntry 17 } pimInterfaceMaxGraftRetries OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-create STATUS current DESCRIPTION "The maximum number of times this router will resend a Graft on this interface." DEFVAL { 2 } ::= { pimInterfaceEntry 18 } pimInterfaceSRTTLThreshold OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-create STATUS current DESCRIPTION "The Time To Live in a PIM-DM State Refresh message at which it is not forwarded on this interface." DEFVAL { 0 } ::= { pimInterfaceEntry 19 } pimInterfaceLanDelayEnabled OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "Evaluates to TRUE if all routers on this interface are using the LAN Prune Delay Option." ::= { pimInterfaceEntry 20 } Nicholas [Page 9] INTERNET-DRAFT Expires: May 2002 November 2002 pimInterfaceSRCapable OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "Evaluates to TRUE if all routers on this interface are using the State Refresh Capable Option." ::= { pimInterfaceEntry 21 } pimInterfaceDRPriority OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-create STATUS current DESCRIPTION "The Designater Router Priority inserted into the DR priority option on this interface." DEFVAL { 1 } ::= { pimInterfaceEntry 22 } -- The PIM Neighbor Table pimNeighborTable OBJECT-TYPE SYNTAX SEQUENCE OF PimNeighborEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing the router's PIM neighbors." ::= { pim 3 } pimNeighborEntry OBJECT-TYPE SYNTAX PimNeighborEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimNeighborTable." INDEX { pimNeighborAddress } ::= { pimNeighborTable 1 } PimNeighborEntry ::= SEQUENCE { pimNeighborAddress IpAddress, pimNeighborIfIndex InterfaceIndex, pimNeighborUpTime TimeTicks, pimNeighborExpiryTime TimeTicks, pimNeighborMode INTEGER, pimNeighborLanPruneDelay Integer32, pimNeighborOverrideInterval Integer32, pimNeighborTBit BITS, pimNeighborSRCapable TruthValue, pimNeighborDRPresent TruthValue } Nicholas [Page 10] INTERNET-DRAFT Expires: May 2002 November 2002 pimNeighborAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP address of the PIM neighbor for which this entry contains information." ::= { pimNeighborEntry 1 } pimNeighborIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only STATUS current DESCRIPTION "The value of ifIndex for the interface used to reach this PIM neighbor." ::= { pimNeighborEntry 2 } pimNeighborUpTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time since this PIM neighbor (last) became a neighbor of the local router." ::= { pimNeighborEntry 3 } pimNeighborExpiryTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The minimum time remaining before this PIM neighbor will be aged out." ::= { pimNeighborEntry 4 } pimNeighborMode OBJECT-TYPE SYNTAX INTEGER { dense(1), sparse(2) } MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The active PIM mode of this neighbor. This object is deprecated for PIMv2 routers since all neighbors on the interface must be either dense or sparse as determined by the protocol running on the interface." ::= { pimNeighborEntry 5 } Nicholas [Page 11] INTERNET-DRAFT Expires: May 2002 November 2002 pimNeighborLANPruneDelay OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The value of LAN Prune Delay field of the LAN Prune Delay Option received from this neighbor. A value of 0 indicates that no LAN Prune Delay Option was received from this neigbor." ::= { pimNeighborEntry 6 } pimNeighborOverrideInterval OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The value of Override Interval field of the LAN Prune Delay Option received from this neighbor. A value of 0 indicates that no LAN Prune Delay Option was received from this neigbor." ::= { pimNeighborEntry 7 } pimNeighborTBit OBJECT-TYPE SYNTAX BITS MAX-ACCESS read-only STATUS current DESCRIPTION "The value of the T bit field of the LAN Prune Delay Option received from this neighbor. The T bit specifies the ability of the neighbor to disable join suppression." ::= { pimNeighborEntry 8 } pimNeighborSRCapable OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "Evaluates to TRUE if this neighbor is using the State Refresh Capable Option." ::= { pimNeighborEntry 9 } pimNeighborDRPresent OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "Evaluates to TRUE if this neighbor is using the Designated Router Option." ::= { pimNeighborEntry 10 } Nicholas [Page 12] INTERNET-DRAFT Expires: May 2002 November 2002 -- -- The PIM IP Multicast Route Table -- pimIpMRouteTable OBJECT-TYPE SYNTAX SEQUENCE OF PimIpMRouteEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing PIM-specific information on a subset of the rows of the ipMRouteTable defined in the IP Multicast MIB." ::= { pim 4 } pimIpMRouteEntry OBJECT-TYPE SYNTAX PimIpMRouteEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimIpMRouteTable. There is one entry per entry in the ipMRouteTable whose incoming interface is running PIM." INDEX { ipMRouteGroup, ipMRouteSource, ipMRouteSourceMask } ::= { pimIpMRouteTable 1 } PimIpMRouteEntry ::= SEQUENCE { pimIpMRouteUpstreamAssertTimer TimeTicks, pimIpMRouteAssertMetric Integer32, pimIpMRouteAssertMetricPref Integer32, pimIpMRouteAssertRPTBit TruthValue, pimIpMRouteFlags BITS, pimIpMRouteRPFNeighbor IpAddress, pimIpMRouteSourceTimer TimeTicks, pimIpMRouteOriginatorSRTTL Integer32 } pimIpMRouteUpstreamAssertTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time remaining before the router changes its upstream neighbor back to its RPF neighbor. This timer is called the Assert timer in the PIM Sparse and Dense mode specification. A value of 0 indicates that no Assert has changed the upstream neighbor away from the RPF neighbor." ::= { pimIpMRouteEntry 1 } Nicholas [Page 13] INTERNET-DRAFT Expires: May 2002 November 2002 pimIpMRouteAssertMetric OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The metric advertised by the assert winner on the upstream interface, or 0 if no such assert is in received." ::= { pimIpMRouteEntry 2 } pimIpMRouteAssertMetricPref OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The preference advertised by the assert winner on the upstream interface, or 0 if no such assert is in effect." ::= { pimIpMRouteEntry 3 } pimIpMRouteAssertRPTBit OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "The value of the RPT-bit advertised by the assert winner on the upstream interface, or false if no such assert is in effect." ::= { pimIpMRouteEntry 4 } pimIpMRouteFlags OBJECT-TYPE SYNTAX BITS { rpt(0), spt(1) } MAX-ACCESS read-only STATUS current DESCRIPTION "This object describes PIM-specific flags related to a multicast state entry. See the PIM Sparse Mode specification for the meaning of the RPT and SPT bits." ::= { pimIpMRouteEntry 5 } pimIpMRouteRPFNeighbor OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP Address of the current RPF neighbor. If there is an upstream Assert Winner, it will be the RPF neighbor. Otherwise, the RPF neighbor will be the next hop indicated by unicast routing." ::= { pimIpMRouteEntry 6 } Nicholas [Page 14] INTERNET-DRAFT Expires: May 2002 November 2002 pimIpMRouteSourceTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time before this router ceases originating State Refresh messages for this route." ::= { pimIpMRouteEntry 7 } pimIpMRouteOriginatorSRTTL OBJECT-TYPE SYNTAX Integer32 MAX_ACCESS read-only STATUS current DESCRIPTION "The TTL used in State Refresh messages originated by this router for this route." ::= { pimIpMRouteEntry 8 } -- -- The PIM Next Hop Table -- pimIpMRouteNextHopTable OBJECT-TYPE SYNTAX SEQUENCE OF PimIpMRouteNextHopEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing PIM-specific information on a subset of the rows of the ipMRouteNextHopTable defined in the IP Multicast MIB." ::= { pim 7 } pimIpMRouteNextHopEntry OBJECT-TYPE SYNTAX PimIpMRouteNextHopEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimIpMRouteNextHopTable. There is one entry per entry in the ipMRouteNextHopTable whose interface is running PIM and whose ipMRouteNextHopState is pruned(1)." INDEX { ipMRouteNextHopGroup, ipMRouteNextHopSource, ipMRouteNextHopSourceMask, ipMRouteNextHopIfIndex, ipMRouteNextHopAddress } ::= { pimIpMRouteNextHopTable 1 } PimIpMRouteNextHopEntry ::= SEQUENCE { pimIpMRouteNextHopPruneReason INTEGER, pimIpMRouteNextHopAssertWinner IpAddress, pimIpMRouteNextHopAssertTimer TimeTicks, pimIpMRouteNextHopAssertMetric Integer32, pimIpMRouteNextHopAssertMetricPref Integer32, pimIpMRouteNextHopJoinPruneTimer TimeTicks } Nicholas [Page 15] INTERNET-DRAFT Expires: May 2002 November 2002 pimIpMRouteNextHopPruneReason OBJECT-TYPE SYNTAX INTEGER { other (1), prune (2), assert (3) } MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates why the downstream interface was pruned, whether in response to a PIM prune message or due to PIM Assert processing." ::= { pimIpMRouteNextHopEntry 2 } pimIpMRouteNextHopAssertWinner OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP Address of the Assert Winner." ::= { pimIpMRouteNextHopEntry 3 } pimIpMRouteNextHopAssertTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time remaining before the PIM router leaves the current Assert state. A value of 0 indicates that the router is in the No Info state." ::= { pimIpMRouteNextHopEntry 4 } pimIpMRouteNextHopAssertMetric OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The metric advertised by the Assert Winner." ::= { pimIpMRouteNextHopEntry 5 } pimIpMRouteNextHopAssertMetricPref OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The metric preference advertised by the Assert Winner." ::= { pimIpMRouteNextHopEntry 6 } pimIpMRouteNextHopJoinPruneTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The time remaining before the PIM router reverts to default operation on this interface. PIM-SM will cease forwarding, PIM-DM will resume forwarding." ::= { pimIpMRouteNextHopEntry 7 }ss, pimRPAddress } ::= { pimRPTable 1 } Nicholas [Page 16] INTERNET-DRAFT Expires: May 2002 November 2002 -- The PIM RP Table pimRPTable OBJECT-TYPE SYNTAX SEQUENCE OF PimRPEntry MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "The (conceptual) table listing PIM version 1 information for the Rendezvous Points (RPs) for IP multicast groups. This table is deprecated since its function is replaced by the pimRPSetTable for PIM version 2." ::= { pim 5 } pimRPEntry OBJECT-TYPE SYNTAX PimRPEntry MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "An entry (conceptual row) in the pimRPTable. There is one entry per RP address for each IP multicast group." INDEX { pimRPGroupAddre PimRPEntry ::= SEQUENCE { pimRPGroupAddress IpAddress, pimRPAddress IpAddress, pimRPState INTEGER, pimRPStateTimer TimeTicks, pimRPLastChange TimeTicks, pimRPRowStatus RowStatus } pimRPGroupAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "The IP multicast group address for which this entry contains information about an RP." ::= { pimRPEntry 1 } pimRPAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "The unicast address of the RP." ::= { pimRPEntry 2 } Nicholas [Page 17] INTERNET-DRAFT Expires: May 2002 November 2002 pimRPState OBJECT-TYPE SYNTAX INTEGER { up(1), down(2) } MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The state of the RP." ::= { pimRPEntry 3 } pimRPStateTimer OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The minimum time remaining before the next state change. When pimRPState is up, this is the minimum time which must expire until it can be declared down. When pimRPState is down, this is the time until it will be declared up (in order to retry)." ::= { pimRPEntry 4 } pimRPLastChange OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The value of sysUpTime at the time when the corresponding instance of pimRPState last changed its value." ::= { pimRPEntry 5 } pimRPRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS deprecated DESCRIPTION "The status of this row, by which new entries may be created, or old entries deleted from this table." ::= { pimRPEntry 6 } -- The PIM RP-Set Table pimRPSetTable OBJECT-TYPE SYNTAX SEQUENCE OF PimRPSetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing PIM information for candidate Rendezvous Points (RPs) for IP multicast groups. When the local router is the BSR, this information is obtained from received Candidate-RP-Advertisements. When the local router is not the BSR, this information is obtained from received RP-Set messages." ::= { pim 6 } Nicholas [Page 18] INTERNET-DRAFT Expires: May 2002 November 2002 pimRPSetEntry OBJECT-TYPE SYNTAX PimRPSetEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimRPSetTable." INDEX { pimRPSetComponent, pimRPSetGroupAddress, pimRPSetGroupMask, pimRPSetAddress } ::= { pimRPSetTable 1 } PimRPSetEntry ::= SEQUENCE { pimRPSetGroupAddress IpAddress, pimRPSetGroupMask IpAddress, pimRPSetAddress IpAddress, pimRPSetHoldTime Integer32, pimRPSetExpiryTime TimeTicks, pimRPSetComponent Integer32 } pimRPSetGroupAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP multicast group address which, when combined with pimRPSetGroupMask, gives the group prefix for which this entry contains information about the Candidate-RP." ::= { pimRPSetEntry 1 } pimRPSetGroupMask OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The multicast group address mask which, when combined with pimRPSetGroupAddress, gives the group prefix for which this entry contains information about the Candidate-RP." ::= { pimRPSetEntry 2 } pimRPSetAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP address of the Candidate-RP." ::= { pimRPSetEntry 3 } Nicholas [Page 19] INTERNET-DRAFT Expires: May 2002 November 2002 pimRPSetHoldTime OBJECT-TYPE SYNTAX Integer32 (0..255) UNITS "seconds" MAX-ACCESS read-only STATUS current DESCRIPTION "The holdtime of a Candidate-RP. If the local router is not the BSR, this value is 0." ::= { pimRPSetEntry 4 } pimRPSetExpiryTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The minimum time remaining before the Candidate-RP will be declared down. If the local router is not the BSR, this value is 0." ::= { pimRPSetEntry 5 } pimRPSetComponent OBJECT-TYPE SYNTAX Integer32 (1..255) MAX-ACCESS not-accessible STATUS current DESCRIPTION " A number uniquely identifying the component. Each protocol instance connected to a separate domain should have a different index value." ::= { pimRPSetEntry 6 } -- -- Note: { pim 8 } through { pim 10 } were used in older versions -- of this MIB. Since some earlier versions of this MIB have been -- widely-deployed, these values must not be used in the future, -- as long the MIB is rooted under { experimental 61 }. -- -- The PIM Candidate-RP Table pimCandidateRPTable OBJECT-TYPE SYNTAX SEQUENCE OF PimCandidateRPEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table listing the IP multicast groups for which the local router is to advertise itself as a Candidate-RP when the value of pimComponentCRPHoldTime is non-zero. If this table is empty, then the local router will advertise itself as a Candidate-RP for all groups (providing the value of pimComponentCRPHoldTime is non- zero)." ::= { pim 11 } Nicholas [Page 20] INTERNET-DRAFT Expires: May 2002 November 2002 pimCandidateRPEntry OBJECT-TYPE SYNTAX PimCandidateRPEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimCandidateRPTable." INDEX { pimCandidateRPGroupAddress, pimCandidateRPGroupMask } ::= { pimCandidateRPTable 1 } PimCandidateRPEntry ::= SEQUENCE { pimCandidateRPGroupAddress IpAddress, pimCandidateRPGroupMask IpAddress, pimCandidateRPAddress IpAddress, pimCandidateRPRowStatus RowStatus } pimCandidateRPGroupAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The IP multicast group address which, when combined with pimCandidateRPGroupMask, identifies a group prefix for which the local router will advertise itself as a Candidate-RP." ::= { pimCandidateRPEntry 1 } pimCandidateRPGroupMask OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "The multicast group address mask which, when combined with pimCandidateRPGroupMask, identifies a group prefix for which the local router will advertise itself as a Candidate-RP." ::= { pimCandidateRPEntry 2 } pimCandidateRPAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-create STATUS current DESCRIPTION "The (unicast) address of the interface which will be advertised as a Candidate-RP." ::= { pimCandidateRPEntry 3 } Nicholas [Page 21] INTERNET-DRAFT Expires: May 2002 November 2002 pimCandidateRPRowStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this row, by which new entries may be created, or old entries deleted from this table." ::= { pimCandidateRPEntry 4 } -- The PIM Component Table pimComponentTable OBJECT-TYPE SYNTAX SEQUENCE OF PimComponentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The (conceptual) table containing objects specific to a PIM domain. One row exists for each domain to which the router is connected. A PIM-SM domain is defined as an area of the network over which Bootstrap messages are forwarded. Typically, a PIM-SM router will be a member of exactly one domain. This table also supports, however, routers which may form a border between two PIM-SM domains and do not forward Bootstrap messages between them." ::= { pim 12 } pimComponentEntry OBJECT-TYPE SYNTAX PimComponentEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry (conceptual row) in the pimComponentTable." INDEX { pimComponentIndex } ::= { pimComponentTable 1 } PimComponentEntry ::= SEQUENCE { pimComponentIndex Integer32, pimComponentBSRAddress IpAddress, pimComponentBSRExpiryTime TimeTicks, pimComponentCRPHoldTime Integer32, pimComponentStatus RowStatus } Nicholas [Page 22] INTERNET-DRAFT Expires: May 2002 November 2002 pimComponentIndex OBJECT-TYPE SYNTAX Integer32 (1..255) MAX-ACCESS not-accessible STATUS current DESCRIPTION "A number uniquely identifying the component. Each protocol instance connected to a separate domain should have a different index value. Routers that only support membership in a single PIM-SM domain should use a pimComponentIndex value of 1." ::= { pimComponentEntry 1 } pimComponentBSRAddress OBJECT-TYPE SYNTAX IpAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The IP address of the bootstrap router (BSR) for the local PIM region." ::= { pimComponentEntry 2 } pimComponentBSRExpiryTime OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The minimum time remaining before the bootstrap router in the local domain will be declared down. For candidate BSRs, this is the time until the component sends an RP-Set message. For other routers, this is the time until it may accept an RP-Set message from a lower candidate BSR." ::= { pimComponentEntry 3 } pimComponentCRPHoldTime OBJECT-TYPE SYNTAX Integer32 (0..255) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The holdtime of the component when it is a candidate RP in the local domain. The value of 0 is used to indicate that the local system is not a Candidate-RP." DEFVAL { 0 } ::= { pimComponentEntry 4 } Nicholas [Page 23] INTERNET-DRAFT Expires: May 2002 November 2002 pimComponentStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this entry. Creating the entry creates another protocol instance; destroying the entry disables a protocol instance." ::= { pimComponentEntry 5 } -- PIM State Refresh Objects pimSourceLifetime OBJECT-TYPE SYNTAX Integer32 UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The maximum time this router will continue to originate State Refresh messages in the absence of traffic from the source itself." DEFVAL { 210 } ::= { pim 13 } pimStateRefreshInterval OBJECT-TYPE SYNTAX Integer32 (1..255) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "The interval between successive State Refresh messages originated by this router." DEFVAL { 60 } ::= { pim 14 } pimStateRefreshLimitInterval OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-create STATUS current DESCRIPTION "This router will not forward successive State Refresh messages received at less than this interval." DEFVAL { 0 } ::= { pim 15 } pimStateRefreshTimeToLive OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-create STATUS current DESCRIPTION "The TTL to be used by this router's originated State Refresh messages if the data packet's TTL is not recorded." DEFVAL { 16 } ::= { pim 16 } Nicholas [Page 24] INTERNET-DRAFT Expires: May 2002 November 2002 -- PIM Traps pimNeighborLoss NOTIFICATION-TYPE OBJECTS { pimNeighborIfIndex } STATUS current DESCRIPTION "A pimNeighborLoss trap signifies the loss of an adjacency with a neighbor. This trap should be generated when the neighbor timer expires, and the router has no other neighbors on the same interface with a lower IP address than itself." ::= { pimTraps 1 } -- conformance information pimMIBConformance OBJECT IDENTIFIER ::= { pimMIB 2 } pimMIBCompliances OBJECT IDENTIFIER ::= { pimMIBConformance 1 } pimMIBGroups OBJECT IDENTIFIER ::= { pimMIBConformance 2 } -- compliance statements pimV1MIBCompliance MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "The compliance statement for routers running PIMv1 and implementing the PIM MIB." MODULE -- this module MANDATORY-GROUPS { pimV1MIBGroup } ::= { pimMIBCompliances 1 } pimSparseV2MIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for routers running PIM Sparse Mode and implementing the PIM MIB." MODULE -- this module MANDATORY-GROUPS { pimV2MIBGroup } GROUP pimV2CandidateRPMIBGroup DESCRIPTION "This group is mandatory if the router is capable of being a Candidate RP." OBJECT pimInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { pimMIBCompliances 2 } Nicholas [Page 25] INTERNET-DRAFT Expires: May 2002 November 2002 pimDenseV2MIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for routers running PIM Dense Mode and implementing the PIM MIB." MODULE -- this module MANDATORY-GROUPS { pimDenseV2MIBGroup } OBJECT pimInterfaceStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { pimMIBCompliances 3 } -- units of conformance pimNotificationGroup NOTIFICATION-GROUP NOTIFICATIONS { pimNeighborLoss } STATUS current DESCRIPTION "A collection of notifications for signaling important PIM events." ::= { pimMIBGroups 1 } Nicholas [Page 26] INTERNET-DRAFT Expires: May 2002 November 2002 pimV2MIBGroup OBJECT-GROUP OBJECTS { pimJoinPruneInterval, pimInterfaceIfIndex, pimInterfaceAddress, pimInterfaceNetMask, pimInterfaceMode, pimInterfaceDR, pimInterfaceHelloInterval, pimInterfaceStatus, pimInterfaceJoinPruneInterval, pimInterfaceCBSRPreference, pimInterfaceTrigHelloInterval, pimInterfaceHelloHoldtime, pimInterfaceLanPruneDelay, pimInterfacePropagationDelay, pimInterfaceOverrideInterval, pimInterfaceGenerationID, pimInterfaceJoinPruneHoldtime, pimInterfaceLanDelayEnabled, pimInterfaceDRPriority, pimNeighborAddress, pimNeighborInterfaceIfIndex, pimNeighborUpTime, pimNeighborExpiryTime, pimNeighborLANPruneDelay, pimNeighborOverrideInterval, pimNeighborTBit, pimNeighborDRPresent, pimIpMRouteUpstreamAssertTimer, pimIpMRouteAssertMetric, pimIpMRouteIpRouteAssertMetricPref, pimIpMRouteAssertRPTBit, pimIpMRouteFlags, pimIpMRouteRPFNeighbor, pimIpMRouteNextHopPruneReason, pimRPSetGroupAddress, pimRPSetGroupMask, pimRPSetAddress, pimRPSetHoldTime, pimRPSetExpiryTime, pimRPSetComponent, pimComponentBSRAddress, pimComponentBSRExpiryTime, pimComponentCRPHoldTime, pimComponentStatus } STATUS current DESCRIPTION "A collection of objects to support management of PIM Sparse Mode (version 2) routers." ::= { pimMIBGroups 2 } pimDenseV2MIBGroup OBJECT-GROUP OBJECTS { pimInterfaceIfIndex, pimInterfaceAddress, pimInterfaceNetMask, pimInterfaceHelloInterval, pimInterfaceStatus, pimInterfaceTrigHelloInterval, pimInterfaceHelloHoldtime, pimInterfaceLanPruneDelay, pimInterfacePropagationDelay, pimInterfaceOverrideInterval, pimInterfaceGenerationID, pimInterfaceJoinPruneHoldtime, pimInterfaceGraftRetryInterval, pimInterfaceMaxGraftRetries, pimInterfaceSRTTLThreshold, pimInterfaceLanDelayEnabled, pimInterfaceSRCapable, pimNeighborIfIndex, pimNeighborUpTime, pimNeighborExpiryTime, pimNeighborLANPruneDelay, pimNeighborOverrideInterval, pimNeighborSRCapable, pimIpMRouteSourceTimer, pimIpMRouteOriginatorSRTTL, pimSourceLifetime, pimStateRefreshInterval, pimStateRefreshLimitInterval, pimStateRefreshTimeToLive } STATUS current DESCRIPTION "A collection of objects to support management of PIM Dense Mode (version 2) routers." ::= { pimMIBGroups 5 } Nicholas [Page 27] INTERNET-DRAFT Expires: May 2002 November 2002 pimV2CandidateRPMIBGroup OBJECT-GROUP OBJECTS { pimCandidateRPAddress, pimCandidateRPRowStatus } STATUS current DESCRIPTION "A collection of objects to support configuration of which groups a router is to advertise itself as a Candidate-RP." ::= { pimMIBGroups 3 } pimV1MIBGroup OBJECT-GROUP OBJECTS { pimJoinPruneInterval, pimNeighborIfIndex, pimNeighborUpTime, pimNeighborExpiryTime, pimNeighborMode, pimInterfaceAddress, pimInterfaceNetMask, pimInterfaceJoinPruneInterval, pimInterfaceStatus, pimInterfaceMode, pimInterfaceDR, pimInterfaceHelloInterval, pimRPState, pimRPStateTimer, pimRPLastChange, pimRPRowStatus } STATUS deprecated DESCRIPTION "A collection of objects to support management of PIM (version 1) routers." ::= { pimMIBGroups 4 } pimNextHopGroup OBJECT-GROUP OBJECTS { pimIpMRouteNextHopPruneReason, pimIpMRouteNextHopAssertWinner, pimIpMRouteNextHopAssertTimer, pimIpMRouteNextHopAssertMetric, pimIpMRouteNextHopAssertMetricPref, pimIpMRouteNextHopJoinPruneTimer } STATUS current DESCRIPTION "A collection of optional objects to provide per-next hop information for diagnostic purposes. Supporting this group may add a large number of instances to a tree walk, but the information in this group can be extremely useful in tracking down multicast connectivity problems." ::= { pimMIBGroups 6 } Nicholas [Page 28] INTERNET-DRAFT Expires: May 2002 November 2002 pimAssertGroup OBJECT-GROUP OBJECTS { pimIpMRouteAssertMetric, pimIpMRouteAssertMetricPref, pimIpMRouteAssertRPTBit, pimIpMRouteRPFNeighbor} STATUS current DESCRIPTION "A collection of optional objects to provide extra information about the assert election process. There is no protocol reason to keep such information, but some implementations may already keep this information and make it available. These objects can also be very useful in debugging connectivity or duplicate packet problems, especially if the assert winner does not support the PIM and IP Multicast MIBs." ::= { pimMIBGroups 7 } END 5. Security Considerations This MIB contains readable objects whose values provide information related to multicast routing, including information on the network topology. There are also a number of objects that have a MAX-ACCESS clause of read-write and/or read-create, which allow an administrator to configure PIM in the router. While unauthorized access to the readable objects is relatively innocuous, unauthorized access to the write-able objects could cause a denial of service. Hence, the support for SET operations in a non-secure environment without proper protection can have a negative effect on network operations. SNMPv1 by itself is such an insecure environment. Even if the network itself is secure (for example by using IPSec), even then, there is no control as to who on the secure network is allowed to access and SET (change/create/delete) the objects in this MIB. It is recommended that the implementers consider the security features as provided by the SNMPv3 framework. Specifically, the use of the User-based Security Model RFC 2274 [12] and the View-based Access Control Model RFC 2275 [15] is recommended. It is then a customer/user responsibility to ensure that the SNMP entity giving access to this MIB, is properly configured to give access to those objects only to those principals (users) that have legitimate rights to access them. Nicholas [Page 29] INTERNET-DRAFT Expires: May 2002 November 2002 6. Acknowledgements This MIB module is based on the original work in RFC 2934 by K. McCloghrie, D. Farinacci, D. Thaler and W. Fenner and has been updated based on feedback from the IETF's Protocol Independent Multicast (PIM) Working Group. 7. Authors' Addresses Jonathan Nicholas ITT Industries Aerospace/Communications Division 100 Kingsland Rd Clifton, NJ 07014 Phone: +1 973 284 2019 EMail: Jonathan.Nicholas@itt.com 8. References [1] Wijnen, B., Harrington, D. and R. Presuhn, "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. Nicholas [Page 30] INTERNET-DRAFT Expires: May 2002 November 2002 [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. [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. [18] Estrin, D., Farinacci, D., Helmy, A., Thaler, D., Deering, S., Handley, M., Jacobson, V., Liu, C., Sharma, P. and L. Wei, "Protocol Independent Multicast - Sparse Mode (PIM-SM): Protocol Specification", RFC 2362, June 1998. [19] Adams, A., Nicholas, J., Siadak, W., "Protocol Independent Multicast - Dense Mode (PIM-DM): Protocol Specification (Revised)", draft-ietf-pim-dm-new-v2-02.txt, work in progress. [20] McCloghrie, K., Farinacci, D. and D. Thaler, "IPv4 Multicast Routing MIB", RFC 2932, October 2000. [21] Fenner, W., Handley, M., Holbrook, H., Kouvelas, I., "Protocol Independent Multicast - Sparse Mode (PIM-SM)", draft- ietf-pim-sm-v2-new-05.txt, work in progress. [22] McCloghrie, K., Farinacci, D., Thaler, D., Fenner, W., "Protocol Independent Multicast MIB for IPv4", RFC 2934, October 2000. Nicholas [Page 31]