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    Monitoring DVMRP Multicast Groups

    Purpose

    Display information about DVMRP routes to multicast groups.

    Action

    To display information about DVMRP routes to multicast groups:

    host1:boston#show ip dvmrp mroute
    IP DVMRP Multicast Routing Table
    (40.0.0.0/16,  228.1.1.1)  Uptime: 77
      Upstream Prune: none
      RPF Interface
          atm5/0.40
      Outgoing interface list:
          atm5/0.31 

    Meaning

    Table 1 lists the show ip dvmrp mroute command output fields.

    Table 1: show ip dvmrp mroute Output Fields

    Field

    Description

    (S,G) pair

    Source, Group pair value

    Uptime

    Time, in seconds, that this (S, G) pair entry has been in the routing table

    Upstream Prune

    Whether the router has sent prune messages for this group

    RPF Interface

    Interface that provides the shortest path back to the source

    Outgoing interface list

    Types and specifiers of interfaces through which the VR forwards DVMRP messages, such as atm3/0. For details about interface types and specifiers, see Interface Types and Specifiers in JunosE Command Reference Guide.

     

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    Published: 2014-08-19