IGMP group

Use the show ip igmp group command to display information about the IGMP group. The syntax for this command is as follows.

show ip igmp group [count] [member-subnet {default|A.B.C.D/X}] [group {A.B.C.D} <detail|tracked-members>][vrf WORD <0–16>] [vrfids <0–512>]

Note

Note

The CLI command show ip igmp group displays both static and dynamically learned IGMP groups, and the CLI command show ip igmp static command displays only the statically configured IGMP groups. In contrast, the EDM display command under IP > IGMP > Groups displays the dynamically learned groups, and the EDM command under IP > IGMP > Static displays the statically configured IGMP groups.

The following table shows the field descriptions for this command.

Table 1. show ip igmp group command

Field

Description

GRPADDR

Indicates the multicast group address (Class D) that others want to join. Many incoming ports can use the same group address.

INPORT

Indicates the physical interface or a logical interface (VLAN), which received group reports from various sources.

MEMBER

Indicates the IP address of a source that sent a group report to join this group.

EXPIRATION

Indicates the time left before the group report expires on this port. The port updates this variable after it receives a group report.

TYPE

Indicates the group type.

L2ISID

Indicates the I-SID associated with the Layer 2 interface.

Example

Switch:1(config)#show ip igmp group

Switch:1#show ip igmp group

================================================================================
                           Igmp Group - GlobalRouter
================================================================================
GRPADDR         INPORT          MEMBER          EXPIRATION TYPE       L2ISID
--------------------------------------------------------------------------------
224.5.2.1       V701-1/4        62.0.1.1        214        Dynamic    40400
224.5.2.2       V702-1/4        62.0.2.1        221        Dynamic    40400
224.5.2.3       V703-1/4        62.0.3.1        217        Dynamic    40400
224.5.2.4       V704-1/4        62.0.4.1        223        Dynamic    40400

4 out of 4 group Receivers displayed

Total number of unique groups 2