Configuring Layer 2 Multicast Configuring MLD Snooping
Configuration Guide
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Switch(config)#ipv6 mld snooping report-suppression
Switch(config)#show ipv6 mld snooping
MLD Snooping :Enable
Unknown Multicast :Pass
Last Query Times :2
Last Query Interval :1
Global Member Age Time :260
Global Router Age Time :300
Global Report Suppression :Enable
Enable Port:
Enable VLAN:
Switch(config)#end
Switch#copy running-config startup-config
Configuring Unknown Multicast
Step 1 configure
Enter global configuration mode.
Step 2 ipv6 mld snooping drop-unknown
Configure the way how the switch processes the multicast data from unknown multicast
groups as Discard. Unknown multicast groups are multicast groups whose destination
multicast address is not in the multicast forwarding table of the switch.
Step 3 show ipv6 mld snooping
Show the basic MLD snooping configuration.
Step 4 end
Return to privileged EXEC mode.
Step 5 copy running-config startup-config
Save the settings in the configuration file.
IGMP Snooping and MLD Snooping share the setting of Unknown Multicast, so you have to
enable IGMP Snooping globally at the same time.
The following example shows how to configure the switch to discard unknown multicast
data:
Switch#configure
Switch(config)#ipv6 mld snooping
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