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IGMP Snooping Commands
ip igmp snooping querier enable
SPS208G/SPS224G4/SPS2024 Command Line Interface Reference Guide 195
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ip igmp snooping querier enable
Use the ip igmp snooping querier enable interface configuration command to
enable 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 mode (VLAN)
User Guidelines
•
IGMP snooping querier can be enabled on a VLAN only if IGMP snooping is
enabled for that VLAN.
• No more then 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.
• Following are the IGMP Snooping Querier parameters as function of the
IGMP Snooping parameters:
- QueryMaxResponseTime: host-time-out/10
- QueryInterval: host-time-out/3