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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
ipv6 mld snooping listener-message-suppression
ipv6 mld snooping listener-message-suppression
Use the ipv6 mld snooping listener-message-suppression global configuration command to enable IP
version 6 (IPv6) Multicast Listener Discovery (MLD) snooping listener message suppression. Use the
no form of this command to disable MLD snooping listener message suppression.
ipv6 mld snooping listener-message-suppression
no ipv6 mld snooping listener-message-suppression
Note This command is available only if the switch is running the advanced IP services image and you have
configured a dual IPv4 and IPv6 Switch Database Management (SDM) template on the switch.
Command Default The default is for MLD snooping listener message suppression to be disabled.
Command Modes Global configuration
Command History
Usage Guidelines To configure the dual IPv4 and IPv6 template, enter the sdm prefer dual-ipv4-and-ipv6 {default | vlan)
global configuration command and reload the switch.
MLD snooping listener message suppression is equivalent to IGMP snooping report suppression. When
enabled, received MLDv1 reports to a group are forwarded to IPv6 multicast routers only once in every
report-forward time. This prevents the forwarding of duplicate reports.
Examples This example shows how to enable MLD snooping listener-message-suppression:
Switch(config)# ipv6 mld snooping listener-message-suppression
This example shows how to disable MLD snooping listener-message-suppression:
Switch(config)# no ipv6 mld snooping listener-message-suppression
You can verify your settings by entering the show ipv6 mld snooping [vlan vlan-id] user EXEC
command.
Release Modification
12.2(25)SED This command was introduced.
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