show ip igmp cache

Displays information about the IGMP cache. If you do not specify a VRF name or range of VRF IDs, the results show information for the Global Router. If you do specify a VRF name or range of VRF IDs, the results show information only for the VRFs you specify.

Syntax

Command Parameters

vrf WORD<1-16>
Specifies a VRF by name.
vrfids <0-512>
Specifies a VRF by ID.

Default

None

Command Mode

Privileged EXEC

Command Output

The following table shows the field descriptions for the show ip igmp cache command.

Parameter

Description

GRPADDR

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

INTERFACE

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

LASTREPORTER

Indicates the IP address of the source of the last membership report received for this IP multicast group address on this interface. If the interface does not receive a membership report, this object uses the value 0.0.0.0.

EXPIRATION

Indicates the minimum amount of time that remains before this entry ages out.

V1HOSTIMER

Indicates the time that remains until the local router assumes that no IGMPv1 members exist on the IP subnet attached to this interface.

TYPE

Indicates whether the entry is learned dynamically or is added statically.

STATICPORTS

Indicates the list of statically-defined ports.