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

Table 38: 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

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