588 CHAPTER 43: MLD SNOOPING CONFIGURATION
n
■ Each simulated host is equivalent to an independent host. For example, when
receiving an MLD query, the simulated host corresponding to each
configuration responds respectively.
■ Unlike a static member port, a port configured as a simulated member host will
age out like a dynamic member port.
Configuring Fast Leave
Processing
The fast leave processing feature allows the switch to process MLD done messages
in a fast way. With the fast leave processing feature enabled, when receiving an
MLD done message on a port, the switch immediately removes that port from the
outgoing port list of the forwarding table entry for the indicated IPv6 multicast
group. Then, when receiving MLD done multicast-address-specific queries for that
IPv6 multicast group, the switch will not forward them to that port.
In VLANs where only one host is attached to each port, fast leave processing helps
improve bandwidth and resource usage.
Configuring fast leave processing globally
Follow these steps to configure fast leave processing globally:
Configuring fast leave processing on a port or a group of ports
Follow these steps to configure fast leave processing on a port or a group of ports:
Enter the
corresponding view
Enter Ethernet port
view
interface
interface-type
interface-number
Use either
command
Enter port group view port-group { manual
port-group-name |
aggregation agg-id }
Configure simulated joining mld-snooping
host-join
ipv6-group-address
[ source-ip
ipv6-source-address ]
vlan vlan-id
Required
Disabled by default
To do… Use the command… Remarks
To do… Use the command… Remarks
Enter system view system-view -
Enter MLD Snooping view mld-snooping -
Enable fast leave processing fast-leave [ vlan vlan-list ] Required
Disabled by default
To do… Use the command… Remarks
Enter system view system-view -
Enter the corresponding
view
Enter Ethernet port
view
interface
interface-type
interface-number
Use either command
Enter port group
view
port-group { manual
port-group-name |
aggregation agg-id }
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