View multicast group trace information for Internet Group Management Protocol (IGMP) snoop.
show ip igmp snoop-trace [source <A.B.C.D>] [group <A.B.C.D>]
show ip igmp snoop-trace group {A.B.C.D} vrf WORD<1-16>
show ip igmp snoop-trace group {A.B.C.D} vrfids WORD<0-512>
show ip igmp snoop-trace source {A.B.C.D} vrf WORD<1-16>
show ip igmp snoop-trace source {A.B.C.D} vrfids WORD<0-512>
show ip igmp snoop-trace vrf WORD<1-16>
show ip igmp snoop-trace vrfids WORD<0-512>
None
Privileged EXEC
This command is not supported on a node configured as the DvR Leaf within the DvR domain.
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.  | 
                  
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