Set Ttl Value Verification Function For Igmp Packets; Set Igmp Version - Yamaha L2 Command Reference Manual

212 | Command Reference | IP multicast control
[Note]
This command can be specified only for VLAN interface. Also, this can be specified only if IGMP snooping is enabled.
[Example]
Set the VLAN #2 query transmission interval to 30 seconds.
SWR2311P#configure terminal
SWR2311P(config)#interface vlan2
SWR2311P(config-if)#ip igmp snooping query-interval 30
Return the VLAN #2 query transmission interval to the default setting.
SWR2311P#configure terminal
SWR2311P(config)#interface vlan2
SWR2311P(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
[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. Also, this can be specified only if IGMP snooping is enabled.
[Example]
Enable the TTL value verification function of IGMP packets for VLAN #2.
SWR2311P#configure terminal
SWR2311P(config)#interface vlan2
SWR2311P(config-if)#ip igmp snooping check ttl enable
Disnable the TTL value verification function of IGMP packets for VLAN #2.
SWR2311P#configure terminal
SWR2311P(config)#interface vlan2
SWR2311P(config-if)#ip igmp snooping check ttl disable

8.2.7 Set IGMP version

[Syntax]
ip igmp snooping version version
no ip igmp snooping version
[Parameter]
version
: TTL value verification function for IGMP packets
Setting value
enable
disable
: <2-3>
Description
Enable
Disable