Dell PowerConnect 3548 Command Line Interface Guide - Page 195
ip igmp snooping querier enable, Interface Configuration mode command enables Internet Group
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Command Mode Interface Configuration (VLAN) mode. User Guidelines • The leave timeout should be set greater than the maximum time that a host is allowed to respond to an IGMP query. • Use immediate leave only where there is just one host connected to a port. Example The following example configures the host leave-time-out to 60 seconds. Console(config)# interface vlan 2 Console(config-if)# ip igmp snooping leave-time-out 60 ip igmp snooping querier enable The ip igmp snooping querier enable Interface Configuration mode command enables Internet Group Management Protocol (IGMP) querier on a specific VLAN. Use the no form of this command to disable IGMP querier on a VLAN interface. Syntax • ip igmp snooping querier enable • no ip igmp snooping querier enable Default Configuration Disabled. Command Mode Interface Configuration (VLAN) mode. User Guidelines • IGMP snooping querier can be enabled on a VLAN only if IGMP snooping is enabled for that VLAN. • No more than one switch can be configured as an IGMP Querier for a VLAN. • When IGMP Snooping Querier is enabled, it starts after host-time-out/2 with no IGMP traffic detected from a Multicast router. • The IGMP Snooping Querier would disable itself if it detects IGMP traffic from a Multicast router. It would restart itself after host-time-out/2. IGMP Snooping Commands 195