Cisco WS-C3560E-48PD-SF Command Reference - Page 221
ipv6 mld snooping listener-message-suppression
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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 Release 12.2(25)SED Modification This command was introduced. 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. 78-16405-05 Catalyst 3560 Switch Command Reference 2-189