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    Monitoring RP Routers and the RP Mapping Agent in a PIM Sparse Mode Environment for IPv4

    Purpose

    Display information about RP routers and the RP mapping agent in a PIM sparse mode environment.

    Action

    To display information about RP routers and the RP mapping agent in a PIM sparse mode environment.

    To display information on a PIM router that is an Auto RP mapping agent:

    host1:1#show ip pim auto-rp 
    This PIM router is an Auto RP mapping agent.
      Configured with ttl 64
      [ Using interface addr 121.0.0.1, interval 60 ].
    PIM AutoRP candidate RP mapping(s)

    To display information on a PIM router that is not an Auto RP mapping agent:

    host1:1# show ip pim auto-rp
    This PIM router is _not_ an Auto RP mapping agent.
    PIM AutoRP candidate RP mapping(s)
    Candidate RP 122.0.0.1
      Group(s) 224.0.0.0/4, AutoRP, ttl 64, interval 60, from access List 1
    Candidate RP 122.0.0.1
      Group(s) 224.0.1.39/32 (negative), AutoRP, ttl 64, interval 60, from access List 1
    Candidate RP 122.0.0.1
      Group(s) 224.0.1.40/32 (negative), AutoRP, ttl 64, interval 60, from access List 1
    

    Meaning

    Table 1 lists the show ip pim auto-rp command output fields.

    Table 1: show ip pim auto-rp Output Fields

    Field Name

    Field Description

    Configured with ttl

    Number of hops for which the RP discovery message is valid

    Using interface addr

    IP address of the interface from which the router sends RP discovery messages

    interval

    Time interval, in seconds, at which the router sends RP discovery messages

    PIM AutoRP candidate RP mapping(s)

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

    Published: 2014-08-19