Configuring Mld Snooping Querier - H3C S3610-28P Operation Manual

Operation Manual – Multicast Protocol
H3C S3610&S5510 Series Ethernet Switches

3.5 Configuring MLD Snooping Querier

3.5.1 Configuration Prerequisites
Before configuring MLD Snooping querier, complete the following task:
Enable MLD Snooping in the VLAN.
Before configuring MLD Snooping querier, prepare the following data:
MLD general query interval,
MLD last-member query interval,
Maximum response time for MLD general queries,
Source IPv6 address of MLD general queries, and
Source IPv6 address of MLD multicast-address-specific queries.
3.5.2 Enabling MLD Snooping Querier
In an IPv6 multicast network running MLD, a multicast router or Layer 3 multicast switch
is responsible for sending periodic MLD general queries, so that all Layer 3 multicast
devices can establish and maintain multicast forwarding entries, thus to forward
multicast traffic correctly at the network layer. This router or Layer 3 switch is called
MLD querier.
However, a Layer 2 multicast switch does not support MLD, and therefore cannot send
MLD general queries by default. By enabling MLD Snooping querier on a Layer 2
switch in a VLAN where multicast traffic needs to be Layer-2 switched only and no
Layer 3 multicast devices are present, the Layer 2 switch will act as the MLD querier to
send periodic MLD queries, thus allowing multicast forwarding entries to be established
and maintained at the data link layer.
Follow these steps to enable the MLD Snooping querier:
Enter system view
Enter VLAN view
Enable the MLD Snooping
querier
To do...
system-view
vlan vlan-id
mld-snooping querier
Chapter 3 MLD Snooping Configuration
Use the command...
3-13
Remarks
—
—
Required
Disabled by default