C
HAPTER
39
| Multicast Filtering Commands
MLD Snooping
– 1245 –
group only if no host replies to the query within the specified timeout
period.
â—† 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.
EXAMPLE
The following shows how to enable MLD immediate leave.
Console(config)#interface vlan 1
Console(config-if)#ipv6 mld snooping immediate-leave
Console(config-if)#
ipv6 mld snooping
vlan mrouter
This command statically configures an IPv6 multicast router port. Use the
no form to remove the configuration.
SYNTAX
[no] ipv6 mld snooping vlan vlan-id mrouter interface
vlan-id - VLAN ID (Range: 1-4094)
interface
ethernet unit/port
unit - Stack unit. (Range: 1)
port - Port number. (Range: 1-28)
port-channel channel-id (Range: 1-12)
DEFAULT SETTING
No static multicast router ports are configured.
COMMAND MODE
Global Configuration
COMMAND USAGE
Depending on your network connections, MLD snooping may not always be
able to locate the MLD querier. Therefore, if the MLD querier is a known
multicast router/switch connected over the network to an interface (port or
trunk) on the switch, you can manually configure that interface to join all
the current multicast groups.
EXAMPLE
The following shows how to configure port 1 as a multicast router port within
VLAN 1:
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