CLI Reference Guide-R05

Chapter 22 | Multicast Filtering Commands
MLD Snooping
– 648 –
ipv6 mld snooping
version
This command configures the MLD snooping version. Use the no form to restore
the default.
Syntax
ipv6 mld snooping version {1 | 2}
1 - MLD version 1.
2 - MLD version 2.
Default Setting
Version 2
Command Mode
Global Configuration
Example
Console(config)#ipv6 mld snooping version 1
Console(config)#
ipv6 mld snooping
vlan immediate-leave
This command immediately deletes a member port of an IPv6 multicast service
when a leave packet is received at that port and immediate-leave is enabled for the
parent VLAN. Use the no form to restore the default.
Syntax
[no] ipv6 mld snooping vlan vlan-id immediate-leave
vlan-id - A VLAN identification number. (Range: 1-4094)
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
◆ If MLD immediate-leave is not used, a multicast router (or querier) will send a
group-specific query message when an MLD group leave message is received.
The router/querier stops forwarding traffic for that group only if no host replies
to the query within the specified timeout period.
◆ If MLD immediate-leave is enabled, the switch assumes that only one host is
connected to the interface. Therefore, immediate leave should only be enabled
on an interface if it is connected to only one MLD-enabled device, either a
service host or a neighbor running MLD snooping.