HP 6125XLG - Displaying and Maintaining MLD; Enabling MLD Fast-Leave Processing

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Enabling MLD fast-leave processing
In some applications, such as ADSL dial-up networking, only one multicast receiver host is attached to an
interface of the MLD querier. The receiver host might switch frequently from one IPv6 multicast group to
another. To allow fast response to the MLD done messages of the host when it switches frequently from
one IPv6 multicast group to another, you can enable fast-leave processing on the MLD querier.
With this feature enabled, the MLD querier sends a leave notification to the upstream immediately after
receiving an MLD done message from a host. It does not send MLD multicast address specific queries.
This reduces leave latency and preserves the network bandwidth.
To enable MLD fast-leave processing:
Ste
p
Command Remarks
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Enable MLD fast-leave
processing.
mld fast-leave [ group-policy
acl6-number ]
By default, the MLD fast-leave
processing is disabled.
Displaying and maintaining MLD
CAUTION:
The reset mld group command might cause IPv6 multicast data transmission failures.
Execute display commands in any view and reset commands in user view.
Task Command Remarks
Display MLD group information.
display mld [ vpn-instance
vpn-instance-name ] group
[ ipv6-group-address | interface
interface-type interface-number ]
[ static | verbose ]
N/A
Display MLD information.
display mld [ vpn-instance
vpn-instance-name ] interface
[ interface-type interface-number ]
[ verbose ]
N/A
Remove all the dynamic group
entries of the specified MLD group
or all MLD groups.
reset mld [ vpn-instance
vpn-instance-name ] group { all |
interface interface-type
interface-number { all |
ipv6-group-address [ prefix-length ]
[ ipv6-source-address
[ prefix-length ] ] } }
N/A