Cisco Catalyst 3560-X Series, Руководство по настройке программного обеспечения

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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Configuring IP Multicast Routing
Monitoring and Maintaining IP Multicast Routing
Monitoring IP Multicast Routing
You can use the privileged EXEC commands in Table 1-7 to monitor IP multicast routers, packets, and
paths:
show ip igmp interface [ type number ] Display multicast-related information about an interface.
show ip mcache [ group [ source ]] Display the contents of the IP fast-switching cache.
show ip mpacket [ source-address | name ]
[ group-address | name ] [ detail ]
Display the contents of the circular cache-header buffer.
show ip mroute [ group-name | group-address ]
[ source ] [ summary ] [ count ] [ active kbps ]
Display the contents of the IP multicast routing table.
show ip pim interface [ type number ] [ count ]
[ detail ]
Display information about interfaces configured for PIM. This command
is available in all software images.
show ip pim neighbor [ type number ] List the PIM neighbors discovered by the switch. This command is
available in all software images.
show ip pim rp [ group-name | group-addres s] Display the RP routers associated with a sparse-mode multicast group.
This command is available in all software images.
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 1-6 Commands for Displaying System and Network Statistics (continued)
Command Purpose
Table 1-7 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.