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Configuring Layer 2 Multicast
Step 4
ipv6 mld snooping max-groups maxgroup
Configure the maximum number of multicast groups the port can join.
maxgroup
range from 1 to 511.
Step 5
ipv6 mld snooping max-groups action {drop | replace}
Specify the action towards the new multicast group when the number of multicast groups the
port joined exceeds max group.
drop: Drop all subsequent membership report messages, and the port join no more new
multicast groups.
replace: Replace the existing multicast group owning the lowest multicast MAC address with
the new multicast group.
Step 6
show ipv6 mld profile [ id ]
Show the detailed MLD profile configuration.
show ipv6 mld snooping interface [fastEthernet [ port-list ] | gigabitEthernet [ port-list ] | ten-
gigabitEthernet [ port-list ] | port-channel [ port-channel-list ] ] max-groups
Show the multicast group limitation on the specified port(s) or of all the ports.
Step 7
end
Return to privileged EXEC mode.
Step 8
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to bind the existing Profile 1 to port 1/0/2, and specify
the maximum number of multicast groups that port 1/0/2 can join as 50 and the Overflow
Action as Drop:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/2
Switch(config-if)#ipv6 mld snooping
Switch(config-if)#ipv6 mld filter 1
Switch(config-if)#ipv6 mld snooping max-groups 50
Switch(config-if)#ipv6 mld snooping max-groups action drop
Switch(config-if)#show ipv6 mld profile
MLD Profile 1
...
Binding Port(s)
: Specify the maximum number of multicast groups the port can join. Valid values
Multicast Filtering Configuration
Configuration Guide
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