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Configuring basic MLD snooping features
Before you configure basic MLD snooping features, complete the following tasks:
•
Configure VLANs or VSIs.
•
Determine the MLD snooping version.
•
Determine the maximum number of MLD snooping forwarding entries.
•
Determine the MLD last listener query interval.
Enabling MLD snooping
When you enable MLD snooping, follow these restrictions and guidelines:
•
You must enable MLD snooping globally before you can enable it for a VLAN or VSI.
•
MLD snooping configuration made in VLAN view or VSI view takes effect only on the member
ports in that VLAN or VSI.
•
You can enable MLD snooping for the specified VLANs in MLD-snooping view, for a VSI in VSI
view, or for a VLAN in VLAN view. For a VLAN, the configuration in VLAN interface has the
same priority as the configuration in MLD-snooping view, and the most recent configuration
takes effect.
Enabling MLD snooping in MLD-snooping view
Step
1.
Enter system view.
2.
Enable MLD snooping
globally and enter
MLD-snooping view.
3.
Enable MLD snooping for the
specified VLANs.
Enabling MLD snooping in VLAN or VSI view
Step
1.
Enter system view.
2.
Enable MLD snooping
globally and enter
MLD-snooping view.
3.
Return to system view.
4.
Enter VLAN view or VSI
view.
5.
Enable MLD snooping for the
VLAN or VSI.
Specifying an MLD snooping version
Different MLD snooping versions can process different versions of MLD messages:
•
MLDv1 snooping can process MLDv1 messages, but it floods MLDv2 messages in the VLAN
instead of processing them.
Command
system-view
mld-snooping
enable vlan vlan-list
Command
system-view
mld-snooping
quit
•
Enter VLAN view:
vlan vlan-id
•
Enter VSI view:
vsi vsi-name
mld-snooping enable
291
Remarks
N/A
By default, MLD snooping is
globally disabled.
By default, MLD snooping is
disabled for a VLAN.
Remarks
N/A
By default, MLD snooping is
globally disabled.
N/A
N/A
By default, MLD snooping is
disabled in a VLAN or VSI.
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Troubleshooting
