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Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter 25 Understanding and Configuring IP Multicast
Monitoring and Maintaining IP Multicast Routing
Displaying PIM Statistics
The following is sample output from the show ip pim interface command:
Switch# show ip pim interface
Address Interface Mode Neighbor Query DR
Count Interval
198.92.37.6 Ethernet0 Dense 2 30 198.92.37.33
198.92.36.129 Ethernet1 Dense 2 30 198.92.36.131
10.1.37.2 Tunnel0 Dense 1 30 0.0.0.0
The following is sample output from the show ip pim interface command with a count:
Switch# show ip pim interface count
Address Interface FS Mpackets In/Out
171.69.121.35 Ethernet0 * 548305239/13744856
171.69.121.35 Serial0.33 * 8256/67052912
198.92.12.73 Serial0.1719 * 219444/862191
The following is sample output from the show ip pim interface command with a count when IP
multicast is enabled. The example lists the PIM interfaces that are fast-switched and process-switched,
and the packet counts for these. The H is added to interfaces where IP multicast is enabled.
Switch# show ip pim interface count
States: FS - Fast Switched, H - Hardware Switched
Address Interface FS Mpackets In/Out
192.1.10.2 Vlan10 * H 40886/0
192.1.11.2 Vlan11 * H 0/40554
192.1.12.2 Vlan12 * H 0/40554
192.1.23.2 Vlan23 * 0/0
192.1.24.2 Vlan24 * 0/0
Clearing Tables and Databases
You can remove all contents of a particular cache, table, or database. Clearing a cache, table, or database
might be necessary when the contents of the particular structure have become, or are suspected to be,
invalid.
To clear IP multicast caches, tables, and databases, perform one of these tasks:
Note IP multicast routes can be regenerated in response to protocol events and as data packets arrive.
Command Purpose
Switch# clear ip mroute
Deletes entries from the IP routing table.
Switch# clear ip mfib counters
Deletes all per-route and global MFIB counters.
Switch# clear ip mfib fastdrop
Deletes all fast-drop entries.
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