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Catalyst 3550 Multilayer Switch Software Configuration Guide
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Chapter 34 Configuring IP Multicast Routing
Monitoring and Maintaining IP Multicast Routing
Monitoring IP Multicast Routing
You can use the privileged EXEC commands in
to monitor IP multicast routers, packets, and
paths:
show ip pim interface [type number] [count]
Display information about interfaces configured
for PIM.
show ip pim neighbor [type number]
List the PIM neighbors discovered by the
multilayer switch.
show ip pim rp [group-name | group-address]
Display the RP routers associated with a
sparse-mode multicast group.
show ip rpf {source-address | name}
Display how the multilayer switch is doing
Reverse-Path Forwarding (that is, from the unicast
routing table, DVMRP routing table, or static
mroutes).
show ip sdr [group | “session-name” | detail]
Display the Session Directory Protocol Version 2
cache.
Table 34-4 Commands for Displaying System and Network Statistics (continued)
Command
Purpose
Table 34-5 Commands for Monitoring IP Multicast Routing
Command
Purpose
mrinfo [hostname | address] [source-address |
interface]
Query a multicast router or multilayer switch about
which neighboring multicast devices are peering
with it.
mstat source [destination] [group]
Display IP multicast packet rate and loss
information.
mtrace source [destination] [group]
Trace the path from a source to a destination
branch for a multicast distribution tree for a given
group.