Configuring Layer 3 Features > Configuring Multicast Listener Discovery (MLD) > Multicast Listener Discovery (MLD) Snooping per VLAN
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Multicast Listener Discovery (MLD) Snooping per VLAN
MLD snooping provides support per individual VLANs. In addition to current global enable and disable support, you can do the following using the mld-snooping-modify command:
Specify a range of VLANs for determining the use of which MLDv1 and MLDv2 messages. Netvisor ONE identifies the two VLAN ranges as mutually exclusive. When a VLAN configured for MDv2 receives a MLDv1 query, the MLDv2 query moves to a VLAN configured with MLDv1 if only one multi-cast router exists for this VLAN. If the same VLAN receives a MLDv2 message, Netvisor ONE removes existing entries and the supported version changes to MLDv2.
Specify VLAN ranges for snooping link-local addresses and ND Solicited Node addresses. You must include these VLANs in one MLDv1 and MLDv2 VLAN list.
Command Options
Use these command options for the mld-snooping-modify command:
CLI network-admin@switch > mld-snooping-modify
mld-snooping-modify
Enables or disables Multicast Listener Discovery (MLD) snooping
one or more of the following options:
 
scope local|fabric
Specify the MLDsnooping scope - fabric or local
enable|disable
Enable or disable MLD snooping
mldv1-vlans vlan-list
Specify the VLANs to enable snooping and use MLDv1 protocol. Default: none
mldv2-vlans vlan-list
Specify the VLANs on which to enable snooping and use MLDv2 protocol. Default 1 - 4092
snoop-linklocal-vlans vlan-list
Allow snooping of link-local groups(ff02::/16) on these vlans. Default 1 - 4092
snoop-nd-vlans vlan-list
Allow snooping of ND SN Multicast addresses (ff02::1:ff/104) on these vlans. Default 1 - 4092
 
These command options replace these Netvisor ONE versions earlier than 2.5.2 command options:
Show Output
The mld-snooping-modify show format all command displays the following sample output:
CLI network-admin@switch > mld-snooping-show format all
switch:
Name of Switch
enable:
no
mldv1-vlans:
none
mldv2-vlans:
1-4092
snoop-linklocal-vlans:
1-4092
snoop-nd-vlans:
1-4092
-managed-vlans:
none
interop-v1-vlans:
none
vlans:
1-4092