Cisco Catalyst 3750-X User Manual

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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
Chapter 48 Configuring IP Multicast Routing
Monitoring and Maintaining IP Multicast Routing
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 an
d 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 Ta
ble 48-6 to display various routing statistics:
clear ip pim auto-rp rp-addr
ess Clear the auto-RP cache.
clear ip sdr [gr
oup-address | “session-name”] Delete the Session Directory Protocol Version 2 cache or an sdr cache
entry.
Table 48-5 Commands for Clearing Caches, Tables, and Databases (continued)
Command Purpose
Ta ble 48-6 Commands for Displaying System and Network Statistics
Command Purpose
ping [gr
oup-name | group-address] Send an ICMP Echo Request to a multicast group address.
show ip dvmrp route [ip-
address] Display the entries in the DVMRP routing table.
show ip igmp groups [gr
oup-name |
group-address | type number]
Display the multicast groups that are directly connected to the switch and
that were learned through IGMP.
show ip igmp interface [type nu
mber] Display multicast-related information about an interface.
show ip mcache [gr
oup [source]] Display the contents of the IP fast-switching cache.
show ip mpacket [so
urce-address | name]
[group-address | name] [detail]
Display the contents of the circular cache-header buffer.
show ip mroute [gr
oup-name | group-address]
[source] [summary] [count] [active kbps]
Display the contents of the IP multicast routing table.
show ip pim interface [ty
pe number] [count]
[detail]
Display information about interfaces configured for PIM. This command
is available in all software images.
show ip pim neighbor [type nu
mber] List the PIM neighbors discovered by the switch. This command is
available in all software images.
show ip pim rp [gr
oup-name | group-address] Display the RP routers associated with a sparse-mode multicast group.
This command is available in all software images.
show ip rpf {sou
rce-address | name} Display how the switch is doing Reverse-Path Forwarding (that is, from
the unicast routing table, DVMRP routing table, or static mroutes).
show ip sdr [gr
oup | “session-name” | detail] Display the Session Directory Protocol Version 2 cache.

Cisco Catalyst 3750-X Specifications

General

Brand	Cisco
Model	Catalyst 3750-X
Category	Switch
Language	English