Ipv6 Mld Snooping Listener-Message-Suppression - Cisco Catalyst 3560-X Command Reference Manual
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ipv6 mld snooping listener-message-suppression
ipv6 mld snooping listener-message-suppression
Note
Command Default
Command Modes
Command History
Usage Guidelines
Examples
Related Commands
Catalyst 3750-X and 3560-X Switch Command Reference
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Use the ipv6 mld snooping listener-message-suppression global configuration command on the switch
stack or on a standalone switch 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
This command is available only if you have configured a dual IPv4 and IPv6 Switch Database
Management (SDM) template on the switch.
The default is for MLD snooping listener message suppression to be disabled.
Global configuration
Release
Modification
12.2(53)SE2
This command was introduced.
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.
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.
Command
ipv6 mld snooping
sdm prefer
dual-ipv4-and-ipv6
show ipv6 mld snooping
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Chapter 2
Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
Description
Enables IPv6 MLD snooping.
Configures an SDM template to support IPv6 functions.
Displays MLD snooping configuration.
OL-21522-02
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