Ipv6 Mld Snooping Tcn - Cisco Catalyst 3560-X Command Reference Manual

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

ipv6 mld snooping tcn

Note
Syntax Description
Command Default
Command Modes
Command History
Usage Guidelines
Examples
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Use the ipv6 mld snooping tcn global configuration commands on the switch stack or on a standalone
switch to configure IP version 6 (IPv6) Multicast Listener Discovery (MLD) Topology Change
Notifications (TCNs). Use the no form of the commands to reset the default settings.
ipv6 mld snooping tcn {flood query count integer_value | query solicit}
no ipv6 mld snooping tcn {flood query count integer_value | query solicit}
This command is available only if you have configured a dual IPv4 and IPv6 Switch Database
Management (SDM) template on the switch.
flood query count Set the flood query count, which is the number of queries that are sent before
integer_value forwarding multicast data to only those ports requesting to receive it. The
range is 1 to 10.
query solicit Enable soliciting of TCN queries.
TCN query soliciting is disabled.
When enabled, the default flood query count is 2.
Global configuration
Release
12.2(53)SE2
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.
This example shows how to enable TCN query soliciting:
Switch(config)# ipv6 mld snooping tcn query solicit.
This example shows how to set the flood query count to 5:
Switch(config)# ipv6 mld snooping tcn flood query count 5.
You can verify your settings by entering the show ipv6 mld snooping [vlan vlan-id] user EXEC
command.
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Modification
This command was introduced.
Catalyst 3750-X and 3560-X Switch Command Reference
ipv6 mld snooping tcn
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