Allied Telesis AT-S95 CLI - Manual (Page 125)

IGMP Snooping Commands
Page 113
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 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 disables itself if it detects IGMP traffic from a Multicast router. It restarts itself after
host-time-out/2.
Following are the IGMP Snooping Querier parameters as function of the IGMP Snooping parameters:
• QueryMaxResponseTime: host-time-out/15
• QueryInterval: host-time-out/ 3
Example
.The following example configures Internet Group Management Protocol (IGMP) querier on a specific VLAN.
ip igmp snooping querier address
The ip igmp snooping querier address Interface Configuration mode command defines the source IP address
that the IGMP Snooping querier uses. Use the no form of this command to return to default.
Syntax
ip igmp snooping querier address ip-address
no ip igmp snooping querier address
Parameters
This command has no arguments or keywords.
Default Configuration
If an IP address is configured for the VLAN, it is used as the source address of the IGMP snooping querier.
Command Mode
Interface Configuration (VLAN) mode
User Guidelines
If an IP address is not configured by this command, and no IP address is configured for the IGMP querier VLAN
interface, the querier is disabled.
Console(config)# interface vlan 2
Console(config-if)# ip igmp snooping querier enable