Use the show ip igmp snoop-trace command to view multicast group trace information for IGMP snoop. Multicast group trace tracks the data flow path of the multicast streams. This command provides information such as the multicast group address, the source address, ingress VLAN and port, and egress VLAN and port. The syntax for the command is as follows.
show ip igmp snoop-trace [source {A.B.C.D}] [group {A.B.C.D}] [vrf WORD <0-16>] [vrfids WORD <0-512>]
Note
This command is not supported on a node configured as the DvR Leaf within the DvR domain.
The following table provides the field descriptions for this command.
|
Field |
Description |
|---|---|
|
GROUP ADDRESS |
Indicates the IP multicast group address for which this entry contains information. |
|
SOURCE ADDRESS |
Indicates the source of the multicast traffic. |
|
IN VLAN |
Indicates the incoming VLAN ID. |
|
IN PORT |
Indicates the incoming port number. |
|
OUT VLAN |
Indicates the outgoing VLAN ID. |
|
OUT PORT |
Indicates the outgoing port number. |
|
TYPE |
Indicates where the stream is learned. ACCESS indicates the stream is learned locally. |
Switch:1# show ip igmp snoop-trace
================================================================================
Snoop Trace - GlobalRouter
================================================================================
GROUP SOURCE IN IN OUT OUT TYPE
ADDRESS ADDRESS VLAN PORT VLAN PORT
--------------------------------------------------------------------------------
233.252.0.1 192.0.2.6 500 1/1 500 1/5 ACCESS
233.252.0.10 192.0.2.7 500 1/1 500 1/10 ACCESS