277
Ste
Command
Remarks
3. Configure the port as a
simulated member host.
mld-snooping host-join
ipv6-group-address [ source-ip
ipv6-source-address ] vlan vlan-id
Not configured by default.
NOTE:
Unlike a static member port, a port that you confi
ure as a simulated member host a
es out like a dynamic
member port.
Enabling fast-leave processing
The fast-leave processing feature enables the switch to process MLD done messages quickly. After the
fast-leave processing feature is enabled, when the switch receives an MLD done message on a port, it
immediately removes that port from the forwarding entry for the multicast group specified in the message.
Then, when the switch receives MLD multicast-address-specific queries for that multicast group, it does not
forward them to that port.
On a port that has only one host attached, you can enable fast-leave processing to save bandwidth and
resources. However, on a port that has multiple hosts attached, you should not enable fast-leave
processing if you have enabled dropping unknown IPv6 multicast data globally or for the port.
Otherwise, if a host on the port leaves an IPv6 multicast group, the other hosts attached to the port in the
same IPv6 multicast group cannot receive the IPv6 multicast data for the group.
Enabling fast-leave processing globally
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter MLD-snooping view.
mld-snooping N/A
3. Enable fast-leave processing.
fast-leave [ vlan vlan-list ] Disabled by default
Enabling fast-leave processing on a port
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter Layer 2 Ethernet
interface view, Layer 2
aggregate interface view, or
port group view.
• Enter Layer 2 Ethernet interface
view or Layer 2 aggregate
interface view:
interface interface-type
interface-number
• Enter port group view:
port-group manual
port-group-name
Use either command.
3. Enable fast-leave processing.
mld-snooping fast-leave [ vlan
vlan-list ]
Disabled by default.
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