Technical Documentation

Supported Platforms
EX Series

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 OS 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 that are members of the listed multicast group.	All
Tag	Numerical identifier of the VLAN.	detail
Router interfaces	List of information about multicast router interfaces: Name of the multicast router interface. static or dynamic—Whether the multicast router interface is static or dynamic. 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. timeout—Query timeout in seconds.	detail
Group	IP multicast address of the multicast group. The following information is provided for the multicast group: Name of the interface belonging to the multicast group. timeout—Time (in seconds) left until the entry for the multicast group is removed. Last reporter—Last host to report membership for the multicast group. Receiver count—Number of interfaces that have membership in a multicast group. Flags—IGMP version of the host sending a join message. Include source—Source addresses from which multicast streams are allowed based on IGMPv3 reports. Shown only for IGMPv3 joins.	detail

Sample Output

show igmp-snooping membership

user@switch> show igmp-snooping membership

VLAN: vlan24
    224.1.1.1      *
        Interfaces: ge-0/0/0.0
    224.1.1.100    *
        Interfaces: ge-0/0/0.0
    225.1.1.100    *
        Interfaces: ge-0/0/0.0

show igmp-snooping membership detail

user@switch> show igmp-snooping membership detail

VLAN: vlan24 Tag: 24 (Index: 3)
  Router interfaces:
    ge-0/0/8.0 dynamic Uptime: 00:08:35 timeout: 254
  Group: 224.1.1.1
    ge-0/0/0.0 timeout: 223 Receiver count: 1, Flags: <V2-hosts Static>
  Group: 224.1.1.100     
    ge-0/0/0.0 timeout: 170 Last reporter: 10.10.1.10 Receiver count: 1, Flags:
    <V2-hosts>
  Group: 225.1.1.100
    ge-0/0/0.0 timeout: 168 Last reporter: 10.10.1.10 Receiver count: 1, Flags:
    <V2-hosts>