Cisco WS-C2960-24TC-S Software Guide - Page 382
count |dynamic, show ip igmp snooping
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Displaying IGMP Snooping Information Chapter 18 Configuring IGMP Snooping and MVR To display IGMP snooping information, use one or more of the privileged EXEC commands in Table 18-4. Table 18-4 Commands for Displaying IGMP Snooping Information Command Purpose show ip igmp snooping [vlan vlan-id] Display the snooping configuration information for all VLANs on the switch or for a specified VLAN. (Optional) Enter vlan vlan-id to display information for a single VLAN. The VLAN ID range is 1 to 1001 and 1006 to 4094. show ip igmp snooping groups [count |dynamic Display multicast table information for the switch or about a specific [count] | user [count]] parameter: • count-Display the total number of entries for the specified command options instead of the actual entries. • dynamic-Display entries learned through IGMP snooping. • user-Display only the user-configured multicast entries. show ip igmp snooping groups vlan vlan-id [ip_address | count | dynamic [count] | user[count]] Display multicast table information for a multicast VLAN or about a specific parameter for the VLAN: • vlan-id-The VLAN ID range is 1 to 1001 and 1006 to 4094. • count-Display the total number of entries for the specified command options instead of the actual entries. • dynamic-Display entries learned through IGMP snooping. • ip_address-Display characteristics of the multicast group with the specified group IP address. • user-Display only the user-configured multicast entries. show ip igmp snooping mrouter [vlan vlan-id] Display information on dynamically learned and manually configured multicast router interfaces. Note When you enable IGMP snooping, the switch automatically learns the interface to which a multicast router is connected. These are dynamically learned interfaces. show ip igmp snooping querier [vlan vlan-id] show ip igmp snooping querier [vlan vlan-id] detail (Optional) Enter vlan vlan-id to display information for a single VLAN. Display information about the IP address and receiving port for the most-recently received IGMP query messages in the VLAN. (Optional) Enter vlan vlan-id to display information for a single VLAN. Display information about the IP address and receiving port of the most-recently received IGMP query message in the VLAN and the configuration and operational state of the IGMP snooping querier in the VLAN. For more information about the keywords and options in these commands, see the command reference for this release. 18-16 Catalyst 2960 Switch Software Configuration Guide OL-8603-04
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