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    Monitoring each (S,G) Pair for PIM Sparse Mode and PIM SSM for IPv4

    Purpose

    Display information for each (S,G) pair for PIM sparse mode and PIM SSM.

    Action

    To display information for each (S,G) pair for PIM sparse mode and PIM SSM:

    host1:2# show ip pim sparse-mode sg-state
    <*, 224.0.1.40>
      Group-to-RP mapping: 224.0.0.0/240.0.0.0   RP: 123.0.0.1
      RPF Route: 123.0.0.0/255.0.0.0   IIF: 106.0.7.3   UpNbr: 106.0.3.7
      Oifs: 
       Auto RP Discovery SELF oif.
        Joined as <*, G>   
    <*, 225.1.2.3>
      Group-to-RP mapping: 224.0.0.0/240.0.0.0   RP: 123.0.0.1
      RPF Route: 123.0.0.0/255.0.0.0   IIF: 106.0.7.3   UpNbr: 106.0.3.7
      Oifs: 
       Address: 78.7.7.7   Interface: loopback7
        Local group membership present.
    <*, 235.1.1.1>
      Group-to-RP mapping: 224.0.0.0/240.0.0.0   RP: 123.0.0.1
      RPF Route: 123.0.0.0/255.0.0.0   IIF: 106.0.7.3   UpNbr: 106.0.3.7
      Oifs: 
       Address: 78.7.7.7   Interface: loopback7
        Local group membership present.
    <118.1.33.34, 232.0.0.1>   
      SSM Group
      RPF Route: 118.1.0.0/255.255.0.0   IIF: 118.1.0.1 (Directly attached)
      Oifs: 
       Register Oif to RP: 141.0.0.2 suppressed for SSM Group.
       Address: 134.0.0.1   Interface: ATM3/0.104
        Joined as <S, G>   Join Expires: 161
    <118.1.33.35, 232.0.0.1>   
      SSM Group
      RPF Route: 118.1.0.0/255.255.0.0   IIF: 118.1.0.1 (Directly attached)
      Oifs: 
       Register Oif to RP: 141.0.0.2 suppressed for SSM Group.
       Address: 134.0.0.1   Interface: ATM3/0.104
        Joined as <S, G>   Join Expires: 161
    <10.0.1.8, 235.1.1.1>      EntryExpires: 143
      Group-to-RP mapping: 224.0.0.0/240.0.0.0   RP: 123.0.0.1
      RPF Route: 10.0.0.0/255.0.0.0   IIF: 106.0.7.3   UpNbr: 106.0.3.7
      Oifs: 
       Address: 78.7.7.7   Interface: loopback7
        Joined as <*, G> 
    Count of entries - <S, G>    : 3
                       <*, G>    : 3
                       <*, *, RP>: 0
    

    Meaning

    Table 1 lists the show ip pim sparse-mode sg-state command output fields.

    Table 1: show ip pim sparse-mode sg-state Output Fields

    Field Name

    Field Description

    (S, G) pair

    Source, Group pair for which information is provided

    Group-to-RP mapping

    IP addresses and network mask of the multicast group

    RP

    IP address of RP router

    SSM group

    Indicator that this is an SSM group

    RPF Route

    IP address and network mask of the RPF route

    IIF

    IP address of the incoming interface for the RPF route

    UpNbr

    IP address of the upstream neighbor

    Oifs

    Outgoing interface

    Auto RP Discovery SELF oif

    Indicates that RP router for this group was assigned through auto-RP

    Register Oif to RP

    IP address of RP router for the outgoing interface; suppressed for SSM

    Address

    IP address of outgoing interface

    Interface

    Type and specifier of the interface. For details about interface types and specifiers, see Interface Types and Specifiers in JunosE Command Reference Guide

    Joined as

    Type of mapping:

    • (S, G)—Mapping from a specific source to a specific group
    • (*, G)—Mapping from any source to a specific group
    • (*, * , RP)—Mapping from any source to any group

    Join expires

    Number of seconds before the (S,G) membership expires

    Count of entries

    Total counts of (S,G) pair mappings

    Published: 2014-08-19