Adjusting Mld Performance; Configuring Mld Query And Response Parameters - HPE FlexNetwork 5510 HI Series Configuration Manual

This configuration does not take effect on static group members, because static group members do
not send MLD reports.
To configure an IPv6 multicast group policy:
Step
Enter system view.
1.
Enter interface view.
2.
Configure an IPv6 multicast
3.
group policy on the interface.

Adjusting MLD performance

Before adjusting MLD performance, complete the following tasks:
• Enable IPv6 forwarding and configure an IPv6 unicast routing protocol so that all devices can
interoperate at the network layer.
• Configure basic MLD features.

Configuring MLD query and response parameters

The following are MLD query and response parameters:
• MLD querier's robustness variable—Number of times for retransmitting MLD queries in case
of packet loss. A higher robustness variable makes the MLD querier more robust, but increases
the timeout time for IPv6 multicast groups.
• MLD startup query interval—Interval at which an MLD querier sends MLD general queries at
startup.
• MLD startup query count—Number of MLD general queries that an MLD querier sends at
startup.
• MLD general query interval—Interval at which an MLD querier sends MLD general queries to
check for IPv6 multicast group members on the network.
• MLD last listener query interval—In MLDv1, it sets the interval at which a querier sends
multicast-address-specific queries after receiving a done message. In MLDv2, it sets the
interval at which a querier sends multicast-address-and-source-specific queries after receiving
a report that changes IPv6 multicast source and group mappings.
• MLD last listener query count—In MLDv1, it sets the number of multicast-address-specific
queries that the querier sends after receiving a done message. In MLDv2, it sets the number of
multicast-address-and-source-specific queries that the querier sends after receiving a report
that changes IPv6 multicast group and source mappings.
• MLD maximum response time—Maximum time before a receiver responds with a report to an
MLD general query. This per-group timer is initialized to a random value in the range of 0 to the
maximum response time specified in the MLD query. When the timer value decreases to 0, the
receiver sends an MLD report to the group.
• MLD other querier present timer—Lifetime for an MLD querier after a non-querier receives an
MLD general query. If the non-querier does not receive a new query when this timer expires, the
non-querier considers that the querier has failed and starts a new querier election.
Command
system-view
interface interface-type
interface-number
mld group-policy
ipv6-acl-number
[ version-number ]
257
Remarks
N/A
N/A
By default, no IPv6 multicast
group policy exists on an
interface. Hosts attached to the
interface can join any IPv6
multicast groups.