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M
ULTICAST
C
ONFIGURATION
2-103
CLI – This example modifies the settings for multicast filtering, and then
displays the current status.
Interfaces Attached to a Multicast Router
Multicast routers use the information obtained from IGMP Query, along
with a multicast routing protocol such as DVMRP, to support IP
multicasting across the Internet. These routers may be dynamically
discovered by the switch or statically assigned to an interface on the switch.
You can use the Multicast Router Port Information page to display the
ports on this switch attached to a neighboring multicast router/switch for
each VLAN ID.
Displaying Interfaces Attached to a Multicast Router
Command Attributes
• VLAN ID – ID of configured VLAN (1-4094).
• Multicast Router List – Multicast routers dynamically discovered by
this switch or those that are statically assigned to an interface on this
switch.
Console(config)#ip igmp snooping 3-139
Console(config)#ip igmp snooping querier 3-143
Console(config)#ip igmp snooping query-count 10 3-144
Console(config)#ip igmp snooping query-interval 100 3-145
Console(config)#ip igmp snooping query-max-response-time 20 3-145
Console(config)#ip igmp snooping router-port-expire-time 300 3-147
Console(config)#ip igmp snooping version 2 3-141
Console(config)#exit
Console#show ip igmp snooping 3-141
Igmp Snooping Configuration
----------------------------------------------
Service status : Enabled
Querier status : Enabled
Query count : 10
Query interval : 100 sec
Query max response time : 20 sec
Query time-out : 300 sec
IGMP snooping version : Version 2
Console#