H3C Technologies H3C S3100 Series Switches - Manual (Page 326)

3-19
To do... Use the command... Remarks
Enable IPv6 multicast group
replacement mld-snooping overflow-replace
[ vlan vlan-list ] Required
Disabled by default
Be sure to configure the maximum number of IPv6 multicast groups allowed on a port (refer to
Configuring Maximum Multicast Groups that Can Be Joined on a Port ) before enabling IPv6 multicast
group replacement. Otherwise, the IPv6 multicast group replacement functionality will not take effect.
Configuring 802.1p Precedence for MLD Messages
You can change 802.1p precedence of MLD messages so that they can be assigned higher forwarding
priority when congestion occurs on their outgoing ports.
Configuring 802.1p precedence for MLD messages globally
Follow these steps to configure 802.1p precedence for MLD messages globally:
To do... Use the command... Remarks
Enter system view system-view —
Enter MLD-Snooping view mld-snooping —
Configure 802.1p precedence for
MLD Messages
dot1p-priority priority-number
Required
The default 802.1p precedence for
MLD messages is 0.
Configuring 802.1p precedence for MLD messages in a VLAN
Follow these steps to configure 802.1p precedence for MLD messages in a VLAN:
To do... Use the command... Remarks
Enter system view system-view —
Enter VLAN view vlan vlan-id —
Configure 802.1p precedence for
MLD Messages mld-snooping dot1p-priority
priority-number
Required
The default 802.1p precedence for
MLD messages is 0.
Displaying and Maintaining MLD Snooping
To do… Use the command... Remarks
Display MLD snooping multicast group
information display mld-snooping group [ vlan
vlan-id ] [ verbose ]
Available in any view
Display the statistics information of MLD
messages learned by MLD snooping
display mld-snooping statistics Available in any view
Clear MLD snooping multicast group
information reset mld-snooping group
{ ipv6-group-address | all } [ vlan vlan-id ]
Available in user view