Monitoring And Maintaining Ip Multicast Routing; Displaying System And Network Statistics - Cisco Catalyst 3750-E Software Configuration Manual

Chapter 46 Configuring IP Multicast Routing

Monitoring and Maintaining IP Multicast Routing

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Clearing Caches, 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 are or suspected to be invalid.
You can use any of the privileged EXEC commands in
and databases:
Table 46-5 Commands for Clearing Caches, Tables, and Databases
Command
clear ip cgmp
clear ip dvmrp route {* | route}
clear ip igmp group [group-name |
group-address | interface]
clear ip mroute {* | group [source]}
clear ip pim auto-rp rp-address
clear ip sdr [group-address | "session-name"]

Displaying System and Network Statistics

You can display specific statistics, such as the contents of IP routing tables, caches, and databases.
Note This release does not support per-route statistics.
You can display information to learn resource usage and solve network problems. You can also display
information about node reachability and discover the routing path that packets of your device are taking
through the network.
You can use any of the privileged EXEC commands in
Table 46-6 Commands for Displaying System and Network Statistics
Command
ping [group-name | group-address]
show ip dvmrp route [ip-address]
show ip igmp groups [group-name |
group-address | type number]
OL-9775-08
Clearing Caches, Tables, and Databases, page 46-63
Displaying System and Network Statistics, page 46-63
Monitoring IP Multicast Routing, page 46-64
Purpose
Clear all group entries the Catalyst switches have cached.
Delete routes from the DVMRP routing table.
Delete entries from the IGMP cache.
Delete entries from the IP multicast routing table.
Clear the auto-RP cache.
Delete the Session Directory Protocol Version 2 cache or an sdr cache
entry.
Purpose
Send an ICMP Echo Request to a multicast group address.
Display the entries in the DVMRP routing table.
Display the multicast groups that are directly connected to the switch and
that were learned through IGMP.
Monitoring and Maintaining IP Multicast Routing
Table 46-5
Table 46-6
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
to clear IP multicast caches, tables,
to display various routing statistics:
46-63