configure mld snooping fast-learning

configure mld snooping fast-learning [on | off] [vlan vlan_name]


Configures fast-learning mode.

Syntax Description

vlan_name Specifies a vlan name



Usage Guidelines

When MLD snooping is enabled on a This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, 5520 series switches., learning of group entries will happen only when the next periodic query is sent by the querier in the network. When fast-learning is turned on using this command, a query is sent under the following conditions:
  • When MLD snooping is enabled.
  • When MLD snooping VLAN is operationally up.
  • Group join limit changed through configuration.

Query generated for faster learning uses unspecified address as the source address (both L2 and L3), unless the switch generating the triggered query is the querier for the network.


configure mld snooping fast-learning on


This command was first available in ExtremeXOS 15.2.

Platform Availability

This command is available on platforms that support the appropriate license. For complete information about software licensing, including how to obtain and upgrade your license and which licenses support the MLD snooping feature, see the ExtremeXOS and Switch Engine 31.7 Feature License Requirements document.