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show igmp snooping interface



Display IGMP snooping interface information.



Display detailed information.

brief | detail

(Optional) When applicable, this option lets you choose the how much detail to display.

bridge-domain bridge-domain-name

(Optional) Display information about a particular bridge domain.

logical-system logical-system-name

(Optional) Display information about a particular logical system, or type ’all’.

virtual-switch virtual-switch-name

(Optional) Display information about a particular virtual switch.

vlan-id vlan-identifier

(Optional) Display information about a particular VLAN.

Required Privilege Level


Output Fields

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

Table 1: show igmp snooping interface Output Fields

Field Name

Field Description

Level of Output

Routing-instance or Instance

Routing instance for IGMP snooping.

All levels

Bridge Domain or Vlan

Bridge domain or VLAN for which IGMP snooping is enabled.

All levels

Learning Domain

Learning domain for snooping.

All levels


Interfaces that are being snooped in this learning domain.

All levels


Number of groups on the interface.

All levels


State of the interface: Up or Down.

All levels

Up Groups

Number of active multicast groups attached to the logical interface.

All levels


State of immediate leave: On or Off.

All levels


Router interfaces that are part of this learning domain.

All levels

Group limit

Maximum number of (source,group) pairs allowed per interface. When a group limit is not configured, this field is not shown.

All levels

Data-forwarding receiver: yes

VLAN associated with the interface is configured as a data-forwarding multicast receiver VLAN using multicast VLAN registration (MVR) on EX Series switches with Enhanced Layer 2 Software (ELS).

All levels

IGMP Query Interval

Frequency (in seconds) with which this router sends membership queries when it is the querier.

All levels

IGMP Query Response Interval

Time (in seconds) that the router waits for a response to a general query.

All levels

IGMP Last Member Query Interval

Time (in seconds) that the router waits for a report in response to a group-specific query.

All levels

IGMP Robustness Count

Number of times the router retries a query.

All levels

IGMP Membeship Timeout

Timeout for group membership. If no report is received for these groups before the timeout expires, the group membership is removed.

All levels

IGMP Other Querier Present Timeout

Time that the router waits for the IGMP querier to send a query.

All levels

Sample Output

show igmp snooping interface

show igmp snooping interface (logical systems)

show igmp snooping interface (Group Limit Configured)

show igmp snooping interface (ELS EX Series switches with MVR configured)

Release Information

Command introduced in Junos OS Release 8.5.