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Configuring IPv6 MLD Snooping
Verifying Configuration
This example shows how to set the MLD snooping last-listener query interval (maximum response time) to 2000 (2
seconds):
Switch# configure terminal
Switch(config)# ipv6 mld snooping last-listener-query-interval 2000
Switch(config)# exit
Disabling MLD Listener Message Suppression
MLD snooping listener message suppression is enabled by default. When it is enabled, the switch forwards only one MLD
report per multicast router query. When message suppression is disabled, multiple MLD reports could be forwarded to
the multicast routers.
DETAILED STEPS
To re-enable MLD message suppression, use the ipv6 mld snooping listener-message-suppression global
configuration command.
EXAMPLE
This example shows how to disable MLD message suppression:
Switch# configure terminal
Switch(config)# no ipv6 mld snooping listener-message-suppression
Switch(config)# end
Verifying Configuration
You can display MLD snooping information for dynamically learned and statically configured router ports and VLAN
interfaces. You can also display MAC address multicast entries for a VLAN configured for MLD snooping.
Table 46-18
Command Purpose
1. configure terminal Enter global configuration mode.
2. no ipv6 mld snooping
listener-message-suppression
Disable MLD message suppression.
3. end Return to privileged EXEC mode.
4. show ipv6 mld snooping Verify that IPv6 MLD snooping report suppression is
disabled.
5. copy running-config startup-config (Optional) Save your entries in the configuration file.
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