Diagnostic Tools

There are a great many tools available within the Cisco IOS that enable you to troubleshoot a multicast enabled router and its connections to other multicast enabled routers. Many of them are close cousins to some of the commands you have already encountered in this book. Some are new and specific to multicast troubleshooting. Table 7.4 shows a list of a few of these commands and their purpose.

Table 7.4. Multicast Troubleshooting Commands
IOS Command Purpose
mrinfo Display information about neighboring multicast routers
mstat <source IP> Display statistics on multicast traffic forwarding and packet loss
mtrace <destination IP> Multicast Traceroute. Display the path taken from the router to the given destination.
ping ...

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