Configuring Layer 2 Multicast MLD Snooping Configuration
User Guide
327
General Query Source IP: fe80::1
...
Switch(config)#end
Switch#copy running-config startup-config
3.2.3 Configuring MLD Snooping for Ports
Follow these steps to configure MLD Snooping for ports:
Step 1 configure
Enter global configuration mode.
Step 2 interface {fastEthernet
port
| range fastEthernet
port-list
| gigabitEthernet
port
| range
gigabitEthernet
port-list
| ten-gigabitEthernet
port
| range ten-gigabitEthernet
port-list
|
port-channel
port-channel-id
| range port-channel
port-channel-list
}
Enter interface configuration mode.
Step 3 ipv6 mld snooping
Enable MLD Snooping for the port. By default, it is enabled.
Step 4 ipv6 mld snooping immediate-leave
(Optional) Enable Fast Leave on the specified port.
Fast Leave can be enabled on a per-port basis or per-VLAN basis. When enabled on a per-port
basis, the switch will remove the port from the corresponding multicast group of all VLANs
before forwarding the done message to the querier.
You should only use Fast Leave for a port when there is a single receiver connected to the
port. For more details about Fast Leave, see “3.2.2 Configuring MLD Snooping for VLANs”.
Step 5 show ipv6 mld snooping interface [fastEthernet [
port-list
] |
gigabitEthernet [
port-list
] |
ten-gigabitEthernet [
port-list
] | port-channel [
port-channel-list
]] basic-config
Show the basic MLD Snooping configuration on the specified port(s) or of all the ports.
Step 6 end
Return to privileged EXEC mode.
Step 7 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable MLD Snooping and fast leave for port 1/0/1-3:
Switch#configure
Switch(config)#interface range gigabitEhternet 1/0/1-3
Switch(config-if-range)#ipv6 mld snooping
Switch(config-if-range)#ipv6 mld snooping immediate-leave
Switch(config-if-range)#show ipv6 mld snooping interface gigabitEthernet 1/0/1-3
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