40-53
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Chapter 40 Configuring IP Multicast Routing
Monitoring and Maintaining IP Multicast Routing
Monitoring IP Multicast Routing
You can use the privileged EXEC commands in Table 40-6 to monitor IP multicast routers, packets, and
paths:
show ip rpf {source-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 [group | “session-name” | detail] Display the Session Directory Protocol Version 2
cache.
Table 40-5 Commands for Displaying System and Network Statistics (continued)
Command Purpose
Table 40-6 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.
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