204
•
On a VXLAN network, the MLD snooping querier in a VSI does not include VLAN tags in MLD
general queries. As a best practice, do not enable the MLD snooping querier in a VSI if the VSI
uses the Ethernet access mode. For more information about the Ethernet access mode, see
VXLAN Configuration Guide
.
Configuration procedure
To enable the MLD snooping querier for a VLAN or VSI:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter VLAN view or VSI
view.
•
Enter
VLAN
view:
vlan vlan-id
•
Enter
VSI
view:
vsi
vsi-name
N/A
3.
Enable the MLD snooping
querier for the VLAN or VSI.
mld-snooping querier
By default, the MLD snooping
querier is disabled for a VLAN or
VSI.
Configuring parameters for MLD general queries and
responses
CAUTION:
To avoid mistakenly deleting IPv6 multicast group members, make sure the MLD general query
interval is greater than the maximum response time for MLD general queries.
You can modify the MLD general query interval for a VLAN or VSI based on the actual network
conditions.
A receiver host starts a report delay timer for each IPv6 multicast group that it has joined when it
receives an MLD general query. This timer is set to a random value in the range of 0 to the maximum
response time advertised in the query. When the timer value decreases to 0, the host sends an MLD
report to the corresponding IPv6 multicast group.
Set an appropriate value for the maximum response time for MLD general queries to speed up hosts'
responses to MLD general queries and avoid MLD report traffic bursts.
You can set the maximum response time for MLD general queries globally for all VLANs and VSIs in
MLD-snooping view, for a VSI in VSI view, or for a VLAN in VLAN view. For a VSI, the VSI-specific
configuration takes priority over the global configuration. For a VLAN, the VLAN-specific
configuration takes priority over the global configuration.
Configuring parameters for MLD general queries and responses globally
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter MLD-snooping view.
mld-snooping
N/A
3.
Set the maximum response
time for MLD general
queries.
max-response-time seconds
The default setting is 10 seconds.