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    Monitoring BSR Information for IPv6

    Purpose

    Display BSR information and the group prefixes for which the local router is a candidate RP in a PIM sparse mode environment.

    Action

    To display information on a router that is the elected BSR:

    host1:1#show ipv6 pim bsr
    This PIM router is a Candidate BSR.
      Configured on intf ATM3/0.101, address: ::107:9
      hashMaskLen 30, priority 2, period 60 seconds.
    Elected BSR is this router, next BSM in 3 seconds.
    Local candidate RP mapping(s):
    Candidate RP ::107:9
    ::108:86, BSR, hold-time 150, interval 60, priority 192
    ::108:87, BSR, hold-time 150, interval 60, priority 192, from access-list acl
    ::108:88, BSR, hold-time 150, interval 60, priority 192, from access-list acl
    

    To display information on a router that is a candidate BSR:

    host1:1#show ipv6 pim bsr
    This PIM router is a Candidate BSR.
      Configured on intf ATM3/0.100, address: ::107:9
      hashMaskLen 30, priority 2, period 60 seconds.
    Elected BSR is ::107:8 (priority 0), expires in 73 seconds.

    To display information on a router that is not a candidate BSR:

    host1:1#show ipv6 pim bsr
    This PIM router is not a Candidate BSR.
    Elected BSR is ::107:9 (priority 0), expires in 73 seconds.

    Meaning

    Table 1 lists the show ipv6 pim bsr command output fields.

    Table 1: show ipv6 pim bsr Output Fields

    Field Name

    Field Description

    Candidacy

    Whether or not the router is a candidate BSR

    Configured on

    Interface on which the router is configured

    address

    Address of the router

    hashMaskLen

    Hash mask length

    priority

    Priority of the router

    period

    Time between bootstrap messages

    Elected BSR

    “ this router” or IP address of the elected bootstrap router

    next BSM

    If BSR is “ this router,” time until the next bootstrap message is sent

    expires in

    If BSR is not “ this router,” time until the elected BSR expires if no bootstrap messages are received

    Local candidate RP mapping(s)

    Routers that the mapping agent is evaluating to determine an RP router for this interface

    Published: 2014-08-19