show ip igmp snoop-trace

View multicast group trace information for Internet Group Management Protocol (IGMP) snoop.

Syntax

Command Parameters

group <A.B.C.D>
Specifies the multicast group address.
source <A.B.C.D>
Specifies the multicast source address.
vrf WORD<1-16>
Specifies a VRF by name.
vrfids <0-512>
Specifies a VRF by ID.

Default

None

Command Mode

Privileged EXEC

Usage Guidelines

This command is not supported on a node configured as the DvR Leaf within the DvR domain.

Command Output

The following table shows the field descriptions for the show ip igmp snoop-trace command.

Parameter

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 on UNI ports. NETWORK indicates the stream is learned over the SPBM network.

Example

The following example displays multicast group trace information for IGMP snoop. Multicast group trace tracks the data flow path of the multicast streams.

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