Specifications

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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
ipv6 mld snooping listener-message-suppression
ipv6 mld sno oping listener -message-suppre ssion
To enable IP version 6 (IPv6) Multicast Listener Discovery (MLD) snooping listener message
suppression, use the ipv6 mld snooping listener-message-suppression command. To disable MLD
snooping listener message suppr ession, use the no form of this command.
ipv6 mld snooping listener-message-suppression
no ipv6 mld snoop ing l istener-mess age-suppre ssion
Command Default The default is for MLD snooping lis tener message suppression to be disabled.
Command Modes Global configura tion mode
Usage Guidelines MLD snooping listene r messag e suppres sion is e quivalent to IGMP sno oping re port su ppression. When
it is enabled, received MLDv1 reports to a group are forwarded to IPv6 multicast switchs only once in
every report-forward time. This prevents the forwarding of duplicate reports.
Examples This example shows how to enable MLD snooping li stener message suppr ession:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# ipv6 mld snooping listener-message-suppression
Switch(config)# end
Switch#
This example shows how to disable MLD snooping listener messag e suppression:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# no ipv6 mld snooping listener-message-suppression
Switch(config)# end
Switch#
You can verify your settings by entering the show ipv6 mld snooping [vlan vlan-id] user EXEC
command .
Related Commands Command Description
ipv6 mld snooping Enables IP v ersion 6 (IPv6) Multica st Listener Discovery
(MLD) snooping globally or on the specified VLAN.
show ipv6 mld snooping Displays IP version 6 (IPv6) MLD snoopin g configuration
of the switch or the VLAN.