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The multicast router must be connected to the specified LAN/SFP+ port. If an IGMP report is received from the receiver, it is
forwarded to the specified LAN/SFP+ port.
[Example]
Specify LAN port #8 as a connection destination of the multicast router.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#ip igmp snooping mrouter interface port1.8
Remove LAN port #8 as a connection destination of the multicast router.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#no ip igmp snooping mrouter interface port1.8
8.2.4 Set query transmission function
[Syntax]
ip igmp snooping querier
no ip igmp snooping querier
[Initial value]
none
[Input mode]
interface mode
[Description]
Enables the IGMP query transmission function.
If this is executed with the "no" syntax, the IGMP query transmission function is disabled.
[Note]
This command can be specified only for VLAN interface. Also, this can be specified only if IGMP snooping is enabled.
Note that if you change the IP address while leaving this command enabled, queries will no longer be sent with the correct IP
address following the change.
[Example]
Enable the transmission function for VLAN #2.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#ip igmp snooping querier
Disable the transmission function for VLAN #2.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#no ip igmp snooping querier
8.2.5 Set IGMP query transmission interval
[Syntax]
ip igmp snooping query-interval interval
no ip igmp snooping query-interval
[Parameter]
interval : <20-18000>
Query transmission interval (seconds)
[Initial value]
ip igmp snooping query-interval 125
[Input mode]
interface mode
[Description]
Sets the transmission interval for IGMP queries.
If this command is executed with the "no" syntax, the setting returns to the default.
216 | Command Reference | IP multicast control