PIM-BSR-MIB DEFINITIONS ::= BEGIN

   IMPORTS
       MODULE-IDENTITY, OBJECT-TYPE,
       NOTIFICATION-TYPE,
       mib-2, Unsigned32, TimeTicks     FROM SNMPv2-SMI
       RowStatus, TruthValue,
       StorageType                      FROM SNMPv2-TC
       MODULE-COMPLIANCE, OBJECT-GROUP,
       NOTIFICATION-GROUP               FROM SNMPv2-CONF 
       gbnL3                            FROM ADMIN-MASTER-MIB;   

   pimBsrMIB MODULE-IDENTITY
       LAST-UPDATED "200702040000Z" -- 4 February 2007
       ORGANIZATION
               "IETF Protocol Independent Multicast (PIM) Working Group"
       CONTACT-INFO
               "Email: pim@ietf.org
                WG charter:
                http://www.ietf.org/html.charters/pim-charter.html"
       DESCRIPTION
               "The MIB module for management of the Bootstrap Router
               (BSR) mechanism for PIM routers.

               Copyright (C) The IETF Trust (2007).  This version
               of this MIB module is part of RFC yyyy; see the RFC
               itself for full legal notices."
       REVISION     "200702040000Z" -- 4 February 2007
       DESCRIPTION  "Initial version, published as RFC yyyy."
       ::= { gbnL3 9 }

   --
   -- Top-level structure
   --

   pimBsrNotifications   OBJECT IDENTIFIER ::= { pimBsrMIB 0 }
   pimBsrObjects         OBJECT IDENTIFIER ::= { pimBsrMIB 1 }

   --
   -- Conformance Information
   --

   pimBsrConformance OBJECT IDENTIFIER ::= { pimBsrMIB 2 }
   pimBsrCompliances OBJECT IDENTIFIER ::= { pimBsrConformance 1 }
   pimBsrGroups      OBJECT IDENTIFIER ::= { pimBsrConformance 2 }

   --
   -- The BSR Candidate-RP Table
   --

   pimBsrCandidateRPTable OBJECT-TYPE
       SYNTAX     SEQUENCE OF PimBsrCandidateRPEntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The (conceptual) table listing the IP multicast group
               prefixes for which the local router is to advertise
               itself as a Candidate-RP."
       ::= { pimBsrObjects 1 }

   pimBsrCandidateRPEntry OBJECT-TYPE
       SYNTAX     PimBsrCandidateRPEntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "An entry (conceptual row) in the
                pimBsrCandidateRPTable."
       INDEX      { pimBsrCandidateRPAddressType,
                    pimBsrCandidateRPAddress,
                    pimBsrCandidateRPGroupAddress,
                    pimBsrCandidateRPGroupPrefixLength }
       ::= { pimBsrCandidateRPTable 1 }

   PimBsrCandidateRPEntry ::= SEQUENCE {
       pimBsrCandidateRPAddressType       INTEGER,
       pimBsrCandidateRPAddress           OCTET STRING,
       pimBsrCandidateRPGroupAddress      OCTET STRING,
       pimBsrCandidateRPGroupPrefixLength Unsigned32,
       pimBsrCandidateRPBidir             TruthValue,
       pimBsrCandidateRPAdvTimer          TimeTicks,
       pimBsrCandidateRPPriority          Unsigned32,
       pimBsrCandidateRPAdvInterval       Unsigned32,
       pimBsrCandidateRPHoldtime          Unsigned32,
       pimBsrCandidateRPStatus            RowStatus,
       pimBsrCandidateRPStorageType       StorageType
   }

   pimBsrCandidateRPAddressType OBJECT-TYPE
       SYNTAX     INTEGER
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The Inet address type of the Candidate-RP."
               --C-RP的地址类型，IPv4或者IPv6
       ::= { pimBsrCandidateRPEntry 1 }

   pimBsrCandidateRPAddress OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255)) --(SIZE (4|8|16|20))
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The (unicast) address that will be advertised as a
               Candidate-RP.  The InetAddressType is given by the
               pimBsrCandidateRPAddressType object."
               --C-RP的地址，此地址为单播地址
       ::= { pimBsrCandidateRPEntry 2 }

   pimBsrCandidateRPGroupAddress OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255)) --(SIZE (4|8|16|20))
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The IP multicast group address that, when combined with
               the corresponding value of
               pimBsrCandidateRPGroupPrefixLength, identifies a group
               prefix for which the local router will advertise itself
               as a Candidate-RP. The InetAddressType is given by the
               pimBsrCandidateRPAddressType object."
               --对应本条目的C-RP所管理的组地址
       ::= { pimBsrCandidateRPEntry 3 }

   pimBsrCandidateRPGroupPrefixLength OBJECT-TYPE
       SYNTAX     Unsigned32 (4..128)
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The multicast group address mask that, when combined
               with the corresponding value of
               pimBsrCandidateRPGroupAddress, identifies a group prefix
               for which the local router will advertise itself as a
               Candidate-RP.  The InetAddressType is given by the
               pimBsrCandidateRPAddressType object."
               --多播组前缀长度
       ::= { pimBsrCandidateRPEntry 4 }

   pimBsrCandidateRPBidir OBJECT-TYPE
       SYNTAX     TruthValue
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "If this object is set to TRUE, this group range is
               advertised with this RP as a BIDIR-PIM group range. If
               it is set to FALSE, it is advertised as a PIM-SM group
               range."
               --多播组和组前缀结合所代表的组范围是否Bidir
       DEFVAL { false }
       ::= { pimBsrCandidateRPEntry 5 }

   pimBsrCandidateRPAdvTimer OBJECT-TYPE
       SYNTAX     TimeTicks
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The time remaining before the local router next sends
               a Candidate-RP-Advertisement to the elected BSR for
               this zone."
               --发送下一个C-RP-Adv报文的剩余时间
       ::= { pimBsrCandidateRPEntry 6 }

   pimBsrCandidateRPPriority OBJECT-TYPE
       SYNTAX     Unsigned32 (0..255)
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The priority for this Candidate RP advertised in
                Candidate-RP-Advertisements."
                --优先级，用于C-RP-Adv报文中的Priority
       REFERENCE "I-D.ietf-pim-sm-bsr section 3.2"
       DEFVAL { 192 }
       ::= { pimBsrCandidateRPEntry 7 }

   pimBsrCandidateRPAdvInterval OBJECT-TYPE
       SYNTAX     Unsigned32 (0..26214)
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "A Candidate RP generates Candidate-RP-Advertisements
               periodically. This object represents the time interval
               in seconds between two consecutive advertisements."
               --发送C-RP-Adv的周期
               
       REFERENCE "I-D.ietf-pim-sm-bsr section 3.2 and section 5"
       DEFVAL { 60 }

       ::= { pimBsrCandidateRPEntry 8 }

   pimBsrCandidateRPHoldtime OBJECT-TYPE
       SYNTAX     Unsigned32 (0..65535)
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "Holdtime for this Candidate RP. The amount of time (in
               seconds) this Candidate-RP entry is valid."
               --代表本条目作为有效信息需要保存的时间

       REFERENCE "I-D.ietf-pim-sm-bsr section 4.2"
       DEFVAL { 150 }

       ::= { pimBsrCandidateRPEntry 9 }

   pimBsrCandidateRPStatus 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."
               --本条目状态

       ::= { pimBsrCandidateRPEntry 10 }


   pimBsrCandidateRPStorageType OBJECT-TYPE
       SYNTAX     StorageType
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The storage type for this row. Rows having the value
               'permanent' need not allow write-access to any columnar
               objects in the row."
               --本条目存储类型
         DEFVAL { nonVolatile }
      ::= { pimBsrCandidateRPEntry 11 }

   --
   -- The BSR Elected BSR RP-Set Table
   --

   pimBsrElectedBSRRPSetTable OBJECT-TYPE
       SYNTAX     SEQUENCE OF PimBsrElectedBSRRPSetEntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The (conceptual) table listing BSR-specific information
               about PIM group mappings learned via C-RP advertisements
               or created locally using configurations. This table is
               maintained only on the Elected BSR.

               An Elected BSR uses this table to create Bootstrap
               Messages after applying a local policy to include some
               or all of the group mappings in this table."
               --Elected BSR RP-Set表，只有当本地路由器当选为BSR时才维护该表，
               --表中包含了所有通过处理受到的C-RP报文而整理出来的Group-to-RP映射信息。

       ::= { pimBsrObjects 2 }       

   pimBsrElectedBSRRPSetEntry OBJECT-TYPE
       SYNTAX     PimBsrElectedBSRRPSetEntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "An entry (conceptual row) in the
                pimBsrElectedBSRRPSetTable."
                --Elected BSR RP-Set表条目
       INDEX      { pimBsrElectedBSRGrpMappingAddrType,
                    pimBsrElectedBSRGrpMappingGrpAddr,
                    pimBsrElectedBSRGrpMappingGrpPrefixLen,
                    pimBsrElectedBSRGrpMappingRPAddr }
       ::= { pimBsrElectedBSRRPSetTable 1 }

   PimBsrElectedBSRRPSetEntry ::= SEQUENCE {
       pimBsrElectedBSRGrpMappingAddrType      INTEGER,
       pimBsrElectedBSRGrpMappingGrpAddr       OCTET STRING,
       pimBsrElectedBSRGrpMappingGrpPrefixLen  Unsigned32,
       pimBsrElectedBSRGrpMappingRPAddr        OCTET STRING,
       pimBsrElectedBSRRPSetPriority           Unsigned32,
       pimBsrElectedBSRRPSetHoldtime           Unsigned32,
       pimBsrElectedBSRRPSetExpiryTime         TimeTicks,
       pimBsrElectedBSRRPSetGrpBidir           TruthValue
   }

   pimBsrElectedBSRGrpMappingAddrType OBJECT-TYPE
       SYNTAX     INTEGER
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The Inet address type of the IP multicast group
               prefix."
               --映射组播组的IP地址类型，IPv4或IPv6
       ::= { pimBsrElectedBSRRPSetEntry 1 }

   pimBsrElectedBSRGrpMappingGrpAddr OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255)) --(SIZE (4|8|16|20))
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The IP multicast group address which, when combined
               with pimBsrElectedBSRGrpMappingGrpPrefixLen, gives the
               group prefix for this mapping.  The InetAddressType is
               given by the pimBsrElectedBSRGrpMappingAddrType object.

               This address object is only significant up to
               pimBsrElectedBSRGrpMappingGrpPrefixLen bits. The
               remainder of the address bits are zero.  This is
               especially important for this field, which is part of
               the index of this entry.  Any non-zero bits would
               signify an entirely different entry."
               --映射组播组的IP地址
       ::= { pimBsrElectedBSRRPSetEntry 2 }

   pimBsrElectedBSRGrpMappingGrpPrefixLen OBJECT-TYPE
       SYNTAX     Unsigned32 (4..128)
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The multicast group prefix length that, when combined
               with pimBsrElectedBSRGrpMappingGrpAddr, gives the group
               prefix for this mapping.  The InetAddressType is given by
               the pimBsrElectedBSRGrpMappingAddrType object.  If
               pimBsrElectedBSRGrpMappingAddrType is 'ipv4' or 'ipv4z',
               this object must be in the range 4..32.  If
               pimBsrElectedBSRGrpMappingAddrType is 'ipv6' or 'ipv6z',
               this object must be in the range 8..128."
               --映射组播组的IP地址前缀长度，IPv4取值范围为4到32
       ::= { pimBsrElectedBSRRPSetEntry 3 }

   pimBsrElectedBSRGrpMappingRPAddr OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255)) --(SIZE (4|8|16|20))
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The IP address of the RP to be used for groups within
               this group prefix. The InetAddressType is given by the
               pimBsrElectedBSRGrpMappingAddrType object."
               --映射RP的IP地址
       ::= { pimBsrElectedBSRRPSetEntry 4 }

   pimBsrElectedBSRRPSetPriority OBJECT-TYPE
       SYNTAX     Unsigned32 (0..255)
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The priority for RP. Numerically higher values for
               this object indicate lower priorities, with the value
               zero denoting the highest priority."
               --RP的优先级，取值范围为0到255，值越小优先级越高，0的优先级最高

       REFERENCE "I-D.ietf-pim-sm-bsr section 4.1"
       ::= { pimBsrElectedBSRRPSetEntry 5 }

   pimBsrElectedBSRRPSetHoldtime OBJECT-TYPE
       SYNTAX     Unsigned32 (0..65535)
       UNITS      "seconds"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The holdtime for RP"
       REFERENCE "I-D.ietf-pim-sm-bsr section 4.1"
       ::= { pimBsrElectedBSRRPSetEntry 6 }
       --本C-RP信息的维护时间，取值范围为0到65535，缺省值为150

   pimBsrElectedBSRRPSetExpiryTime OBJECT-TYPE
       SYNTAX     TimeTicks
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The minimum time remaining before this entry will be
               aged out.  The value zero indicates that this entry will
               never be aged out."
       ::= { pimBsrElectedBSRRPSetEntry 7 }
       --本C-RP信息的老化剩余时间，0表示永不老化

   pimBsrElectedBSRRPSetGrpBidir OBJECT-TYPE
       SYNTAX     TruthValue
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "If this object is TRUE, this group range with this
               RP is a BIDIR-PIM group range. If it is set to FALSE,
               it is a PIM-SM group range."
               --是否为BIDIR-PIM的组范围
       ::= { pimBsrElectedBSRRPSetEntry 8 }

   --
   -- The BSR Candidate-BSR Table
   --

   pimBsrCandidateBSRTable OBJECT-TYPE
       SYNTAX     SEQUENCE OF PimBsrCandidateBSREntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The (conceptual) table containing Candidate-BSR
               configuration for the local router.  The table contains
               one row for each zone for which the local router is
               to advertise itself as a Candidate-BSR."
               --Candidate-BSR表，每个表项体现了本地路由器在不同的Admin-scoped中配置的C-BSR信息。
               --由于我们不支持Admin-scoped的划分，因此该表中最多只有一个表项。
       ::= { pimBsrObjects 3 }

   pimBsrCandidateBSREntry OBJECT-TYPE
       SYNTAX     PimBsrCandidateBSREntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "An entry (conceptual row) in the
               pimBsrCandidateBSRTable."
               --Candidate-BSR表条目
       INDEX      { pimBsrCandidateBSRZoneIndex }
       ::= { pimBsrCandidateBSRTable 1 }

   PimBsrCandidateBSREntry ::= SEQUENCE {
       pimBsrCandidateBSRZoneIndex        Unsigned32,
       pimBsrCandidateBSRAddressType      INTEGER,
       pimBsrCandidateBSRAddress          OCTET STRING,
       pimBsrCandidateBSRPriority         Unsigned32,
       pimBsrCandidateBSRHashMaskLength   Unsigned32,
       pimBsrCandidateBSRElectedBSR       TruthValue,
       pimBsrCandidateBSRBootstrapTimer   TimeTicks,
       pimBsrCandidateBSRStatus           RowStatus,
       pimBsrCandidateBSRStorageType      StorageType
   }

   pimBsrCandidateBSRZoneIndex OBJECT-TYPE
       SYNTAX     Unsigned32
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The zone index uniquely identifies the zone on a
               device to which this Candidate BSR is attached. There is
               one entry for each zone in ipMcastZoneTable. Scope-level
               information for this zone can be extracted from
               ipMcastZoneTable in IP Multicast MIB.
               [I-D.ietf-mboned-ip-mcast-mib]."
               --域索引，对应ipMcastZoneTable中的域信息。
               --由于不支持Administratively Scoped划分，因此该字段永远为缺省值0
       ::= { pimBsrCandidateBSREntry 1 }

   pimBsrCandidateBSRAddressType OBJECT-TYPE
       SYNTAX     INTEGER
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The address type of the Candidate-BSR."
               --C-BSR的地址类型
       ::= { pimBsrCandidateBSREntry 2 }

   pimBsrCandidateBSRAddress OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255))
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The (unicast) address that the local router will
               use to advertise itself as a Candidate-BSR.  The
               InetAddressType is given by the
               pimBsrCandidateBSRAddressType object."
               --C-BSR的地址
       ::= { pimBsrCandidateBSREntry 3 }

   pimBsrCandidateBSRPriority OBJECT-TYPE
       SYNTAX     Unsigned32 (0..255)
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The priority value for the local router as a
               Candidate-BSR for this zone. Numerically higher
               values for this object indicate higher priorities."
               --该C-BSR在pimBsrCandidateBSRZoneIndex对应的域中的优先级，取值范围0到255，值越大优先级越高，缺省为0
       DEFVAL { 0 }
       ::= { pimBsrCandidateBSREntry 4 }

   pimBsrCandidateBSRHashMaskLength OBJECT-TYPE
       SYNTAX     Unsigned32 (0..128)
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The hash mask length (used in the RP hash function)
               that the local router will advertise in its Bootstrap
               messages for this zone.  This object defaults
               to 30 if pimBsrCandidateBSRAddressType is 'ipv4' or
               'ipv4z' , and defaults to 126 if
               pimBsrCandidateBSRAddressType is 'ipv6' or 'ipv6z'."
               --用于hash函数的掩码长度，取值范围0到128，IPv4缺省为32，IPv6缺省为126
       ::= { pimBsrCandidateBSREntry 5 }

   pimBsrCandidateBSRElectedBSR OBJECT-TYPE
       SYNTAX     TruthValue
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "Whether the local router is the elected BSR for this
               zone."
               --是否为该域当选的BSR
       ::= { pimBsrCandidateBSREntry 6 }

   pimBsrCandidateBSRBootstrapTimer OBJECT-TYPE
       SYNTAX     TimeTicks
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The time remaining before the local router next
               originates a Bootstrap message for this zone.
               Value of this object is zero if
               pimBsrCandidateBSRElectedBSR is 'FALSE'."
               --发送下一个bootstrap报文的剩余时间，当bElectedBSR为FALSE，该字段为0

       ::= { pimBsrCandidateBSREntry 7 }

   pimBsrCandidateBSRStatus 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."
               --条目状态
       ::= { pimBsrCandidateBSREntry 8 }

   pimBsrCandidateBSRStorageType OBJECT-TYPE
       SYNTAX     StorageType
       MAX-ACCESS read-create
       STATUS     current
       DESCRIPTION
               "The storage type for this row. Rows having the value
               'permanent' need not allow write-access to any columnar
               objects in the row."
               --条目存储类型
         DEFVAL { nonVolatile }
      ::= { pimBsrCandidateBSREntry 9 }

   --
   -- The BSR Elected-BSR Table
   --

   pimBsrElectedBSRTable OBJECT-TYPE
       SYNTAX     SEQUENCE OF PimBsrElectedBSREntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The (conceptual) table containing information about
               elected BSRs.  The table contains one row for each
               zone for which there is an elected BSR."
               --Elected BSR表，每个表现说明了不同的Admin-scoped当选的BSR信息。
               --由于我们不支持Admin-scoped的划分，因此该表中最多只有一个表项。
       ::= { pimBsrObjects 4 }

   pimBsrElectedBSREntry OBJECT-TYPE
       SYNTAX     PimBsrElectedBSREntry
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "An entry (conceptual row) in the
                pimBsrElectedBSRTable."
                --Elected BSR表条目
       INDEX      { pimBsrElectedBSRZoneIndex }
       ::= { pimBsrElectedBSRTable 1 }

   PimBsrElectedBSREntry ::= SEQUENCE {
       pimBsrElectedBSRZoneIndex        Unsigned32,
       pimBsrElectedBSRAddressType      INTEGER,
       pimBsrElectedBSRAddress          OCTET STRING,
       pimBsrElectedBSRPriority         Unsigned32,
       pimBsrElectedBSRHashMaskLength   Unsigned32,
       pimBsrElectedBSRExpiryTime       TimeTicks
   }

   pimBsrElectedBSRZoneIndex OBJECT-TYPE
       SYNTAX     Unsigned32
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The zone index uniquely identifies the zone on a
               device to which this Elected BSR is attached. There
               is one entry for each zone in ipMcastZoneTable.
               Scope-level information for this zone can be extracted
               from ipMcastZoneTable in IP MCAST MIB."
               --域索引，对应ipMcastZoneTable中的域信息。
               --由于不支持Administratively Scoped划分，因此该字段永远为缺省值0
       ::= { pimBsrElectedBSREntry 1 }

   pimBsrElectedBSRAddressType OBJECT-TYPE
       SYNTAX     INTEGER
       MAX-ACCESS not-accessible
       STATUS     current
       DESCRIPTION
               "The address type of the elected BSR."
               --当选的BSR的地址类型
       ::= { pimBsrElectedBSREntry 2 }

   pimBsrElectedBSRAddress OBJECT-TYPE
       SYNTAX     OCTET STRING (SIZE (0..255)) --(SIZE (4|8|16|20))
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The (unicast) address of the elected BSR.  The
               InetAddressType is given by the
               pimBsrElectedBSRAddressType object."
               --当选的BSR的地址
       ::= { pimBsrElectedBSREntry 3 }

   pimBsrElectedBSRPriority OBJECT-TYPE
       SYNTAX     Unsigned32 (0..255)
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The priority value for the elected BSR for this address
               type.  Numerically higher values for this object indicate
               higher priorities."
               --优先级，取值范围0到255，值越大优先级越高
       ::= { pimBsrElectedBSREntry 4 }

   pimBsrElectedBSRHashMaskLength OBJECT-TYPE
       SYNTAX     Unsigned32 (0..128)
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The hash mask length (used in the RP hash function)
               advertised by the elected BSR for this zone."
               --用于hash函数的掩码长度，取值范围0到128
       ::= { pimBsrElectedBSREntry 5 }

   pimBsrElectedBSRExpiryTime OBJECT-TYPE
       SYNTAX     TimeTicks
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The minimum time remaining before the elected BSR for
               this zone will be declared down."
               --老化剩余时间
       ::= { pimBsrElectedBSREntry 6 }
       


   --
   -- PIM BSR Notifications
   --

   pimBsrElectedBSRLostElection   NOTIFICATION-TYPE
       OBJECTS { pimBsrCandidateBSRElectedBSR }
       STATUS     current
       DESCRIPTION
               "A pimBsrElectedBSRLostElection notification should be
               generated when current E-BSR lost election to a new
               Candidate BSR. Only an E-BSR should generate this
               notification.

               This notification is generated when
               pimBsrCandidateBSRElectedBSR becomes FALSE."

       REFERENCE "I-D.ietf-pim-sm-bsr section 3.1"
       ::= { pimBsrNotifications 1 }

   pimBsrCandidateBSRWinElection   NOTIFICATION-TYPE
       OBJECTS { pimBsrCandidateBSRElectedBSR }
       STATUS     current
       DESCRIPTION
               "A pimBsrCandidateBSRWinElection notification should be
               generated when a C-BSR wins BSR Election. Only an
               E-BSR should generate this notification.

               This notification is generated when
               pimBsrCandidateBSRElectedBSR becomes TRUE."

       REFERENCE "I-D.ietf-pim-sm-bsr section 3.1"
       ::= { pimBsrNotifications 2 }

   --
   -- Compliance Statements
   --

   pimBsrCompliance MODULE-COMPLIANCE
       STATUS  current
       DESCRIPTION
               "The compliance statement for PIM routers that implement
               the Bootstrap Router (BSR) mechanism."
       MODULE  -- this module
       MANDATORY-GROUPS { pimBsrObjectGroup }

         GROUP   pimBsrDiagnosticsGroup
         DESCRIPTION
             "This group is optional."

       ::= { pimBsrCompliances 1 }

   --
   -- Units of Conformance
   --

   pimBsrObjectGroup OBJECT-GROUP
       OBJECTS { pimBsrCandidateRPBidir,
                 pimBsrCandidateRPAdvTimer,
                 pimBsrCandidateRPPriority,
                 pimBsrCandidateRPAdvInterval,
                 pimBsrCandidateRPHoldtime,
                 pimBsrCandidateRPStatus,
                 pimBsrElectedBSRRPSetPriority,
                 pimBsrElectedBSRRPSetHoldtime,
                 pimBsrElectedBSRRPSetExpiryTime,
                 pimBsrElectedBSRRPSetGrpBidir,
                 pimBsrCandidateBSRAddress,
                 pimBsrCandidateBSRPriority,
                 pimBsrCandidateBSRHashMaskLength,
                 pimBsrCandidateBSRElectedBSR,
                 pimBsrCandidateBSRBootstrapTimer,
                 pimBsrCandidateBSRStatus,
                 pimBsrElectedBSRAddress,
                 pimBsrElectedBSRPriority,
                 pimBsrElectedBSRHashMaskLength,
                 pimBsrElectedBSRExpiryTime }
       STATUS  current
       DESCRIPTION
               "A collection of objects for managing the Bootstrap
               Router (BSR) mechanism for PIM routers."
       ::= { pimBsrGroups 1 }

   pimBsrDiagnosticsGroup NOTIFICATION-GROUP
       NOTIFICATIONS  { pimBsrElectedBSRLostElection,
                        pimBsrCandidateBSRWinElection }
       STATUS  current
       DESCRIPTION
               "Objects providing additional diagnostics related to
               the Bootstrap Router (BSR) mechanism for PIM routers."
       ::= { pimBsrGroups 2 }

   END