Chapter 25: Multicast troubleshooting
Use the procedures in this section to help you troubleshoot multicast routing problems using the command
line interface (CLI).
Viewing multicast group trace information for IGMP snoop
Multicast group trace tracks the data flow path of the multicast streams.
Procedure steps
Display the multicast group trace for an IGMP snoop-enabled interface using the
following command:
show ip igmp snoop-trace [src <value>] [grp <value>]
Variable definitions
Use the information in the following table to use the show ip igmp snoop-trace
command.
grp <value>
src <value>
Job aid: show ip igmp snoop-trace command
The following figure shows the field descriptions for this command.
Troubleshooting
using CLI
Variable
Specifies the source IP address in the format a.b.c.d.
Specifies the group IP address in the format a.b.c.d.
Value
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