TP-Link JetStream T3700G-28TQ Reference Manual page 332

T3700G-28TQ JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide
message and the maximum number of entries is in the forwarding table. To
remove the maximum group limitation and return to the default of no limitation
on the specified port, please use the no ip igmp max-groups command. To
return to the default action of dropping the report, please use the no ip igmp
max-groups action command. These commands only apply to the dynamic
multicast groups.
Syntax
ip igmp max-groups max-group
no ip igmp max-groups max-group
ip igmp max-groups action { drop | replace}
no ip igmp max-groups action { drop | replace}
Parameter
max-group —— Specify the maximum number of the dynamic multicast groups
that a port can join. It ranges from 0 to 4294967294.
drop —— When the number of the dynamic multicast groups that a port joins
has exceeded the max-group, the port will not join any new multicast group.
replace ——When the number of the dynamic multicast groups that a port joins
has exceeded the max-group, the newly joined multicast group will replace one
of the old entries randomly.
Command Mode
Interface Configuration Mode
Example
Specify the maximum number of the dynamic multicast groups that the
gigabitEthernet port 1/0/2 can join as 100 and the overflowed entry will replace
the old one randomly:
T3700G-28TQ(config)# interface gigabitEthernet 1/0/2
T3700G-28TQ(config-if)# ip igmpmax-groups 100
T3700-28TQ(config-if)#ip igmp max-groups action replace
Specify the maximum number of the dynamic multicast groups that the routed
port 1/0/2 can join as 100 and the overflowed entry will replace the old one
randomly:
T3700G-28TQ(config)# interface gigabitEthernet 1/0/2
T3700G-28TQ(config-if)# no switchport
T3700G-28TQ(config-if)# ip igmpmax-groups 100
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