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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.
[Note]
This command can be specified only for VLAN interface.
[Example]
Set the VLAN #2 query transmission interval to 30 seconds.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#ip igmp snooping query-interval 30
Return the VLAN #2 query transmission interval to the default setting.
SWP2#configure terminal
SWP2(config)#interface vlan2
SWP2(config-if)#no ip igmp snooping query-interval
8.2.6 Set TTL value verification function for IGMP packets
[Syntax]
ip igmp snooping check ttl switch
no ip igmp snooping check ttl
[Parameter]
switch : TTL value verification function for IGMP packets
Setting value Description
enable Enable
disable Disable
[Initial value]
ip igmp snooping check ttl enable
[Input mode]
interface mode
[Description]
Sets the TTL value verification function for IGMP packets.
If this command is executed with the "no" syntax, the setting returns to the default.
When this is enabled, IGMP packets with illegal TTL values in the IP header (besides 1) will be discarded.
When disabled, the relevant packet will be discarded, and the TTL value will be corrected to 1 and forwarded.
[Note]
This command can be specified only for VLAN interface.
234 | Command Reference | IP multicast control