Use the show ip igmp cache command to display information about the IGMP cache. The syntax for this command is as follows.
show ip igmp cache [vrf WORD <0–16>] [vrfids WORD <0–512>]
The following table shows the field descriptions for this 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. |
|
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. |
|
V1HOSTTIMER |
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. |
|
L2ISID |
Indicates the I-SID associated with the Layer 2 interface. |