Technical Documentation

show igmp-snooping membership

Syntax

show igmp-snooping membership
<brief | detail>
<interface interface-name>
<vlan vlan-id | vlan-name>

Release Information

Command introduced in JUNOS Release 9.1 for EX Series switches.

Description

Display IGMP snooping membership information.

Options

none — Display general parameters.

brief | detail — (Optional) Display the specified level of output.

interface interface-name — (Optional) Display IGMP snooping information for the specified interface.

vlan vlan-id | vlan-name — (Optional) Display IGMP snooping information for the specified VLAN.

Required Privilege Level

view

List of Sample Output

show igmp-snooping membership
show igmp-snooping membership detail

Output Fields

Table 1 lists the output fields for the show igmp-snooping membership command. Output fields are listed in the approximate order in which they appear.

Table 1: show igmp-snooping membership Output Fields

Field Name

Field Description

Level of Output

VLAN

Name of the VLAN.

All

Interfaces

Interfaces assigned to the VLAN.

All

Tag

Numerical identifier of the VLAN.

detail

Router interfaces

  

Names multicast router interfaces.

detail
  • static or dynamic

Whether the multicast router interface is static or dynamic.

detail
  • Uptime

For static interfaces, amount of time since the interface was configured as a multicast router interface; for dynamic interfaces, amount of time since the first query was received on interface.

detail
  • timeout

Query timeout in seconds.

detail

Group

IP multicast address of the multicast group.

detail

Receiver count

Number of interfaces that have membership in a multicast group.

detail

Flags

IGMP version of the host sending a join message.

detail

Uptime

Amount of time a multicast group has been active on the interface.

detail

timeout

Time (in seconds) left until the entry for the multicast group is removed.

All

Last reporter

The last host to report membership for the multicast group.

detail

Include source

Source addresses from which multicast streams are allowed based on IGMPv3 reports.

detail

Sample Output

show igmp-snooping membership

user@switch> show igmp-snooping membership
VLAN: v1
    224.1.1.1      *               258 secs
        Interfaces: ge-0/0/0.0
    224.1.1.3      *               258 secs
        Interfaces: ge-0/0/0.0
    224.1.1.5      *               258 secs
        Interfaces: ge-0/0/0.0
    224.1.1.7      *               258 secs
        Interfaces: ge-0/0/0.0
    224.1.1.9      *               258 secs
        Interfaces: ge-0/0/0.0
    224.1.1.11     *               258 secs
        Interfaces: ge-0/0/0.0

show igmp-snooping membership detail

user@switch> show igmp-snooping membership detail 
VLAN: v43 Tag: 43 (Index: 4)
   Group: 225.0.0.2
   Receiver count: 1, Flags: <V3-hosts>
     ge-0/0/15.0 Uptime: 00:00:11 timeout: 248 Last reporter: 10.2.10.16
       Include source: 1.2.1.1, 1.3.1.1
VLAN: v44 Tag: 44 (Index: 5)
   Group: 225.0.0.1
   Receiver count: 1, Flags: <V2-hosts>
     ge-0/0/21.0 Uptime: 00:00:02 timeout: 257
VLAN: v110 Tag: 110 (Index: 4)
 Router interfaces:
         ge-0/0/3.0 static Uptime: 00:08:45
         ge-0/0/2.0 static Uptime: 00:08:45
         ge-0/0/4.0 dynamic Uptime: 00:16:41 timeout: 254
     Group: 225.0.0.3
     Receiver count: 1, Flags: <V2-hosts>
         ge-0/0/5.0 Uptime: 00:00:19 timeout: 259
     Group: 225.1.1.1
     Receiver count: 1, Flags: <V2-hosts>
         ge-0/0/5.0 Uptime: 00:22:43 timeout: 96
     Group: 225.2.2.2
     Receiver count: 1, Flags: <V2-hosts Static>
         ge-0/0/5.0 Uptime: 00:23:13

Published: 2009-10-19