Switch 7700 Configuration Guide

IGMP Snooping 119
any member, the switch will notify the multicast router to remove it from the
multicast tree.
Configure IGMP
Snooping
The main IGMP Snooping configuration includes:
■ Enabling/disabling IGMP Snooping
■ Configuring the aging time of router port
■ Configuring maximum response time
■ Configuring the aging time of multicast group member port
Of the above configuration tasks, enabling IGMP Snooping is required, while
others are optional.
Enabling/Disabling IGMP Snooping
You can use the following commands to enable/disable IGMP Snooping on Layer
2.
Perform the following configuration in system view.
IGMP Snooping and GMRP cannot run at the same time. You can check if GMRP is
running, using the display gmrp status command, in all views, before enabling
IGMP Snooping.
By default, IGMP Snooping is disabled.
Configure Router Port Aging Time
Use this to manually configure the router port aging time. If the switch has not
received a general query message from the router prior to it aging, it will remove
the port from all the MAC multicast group.
Perform the following configuration in system view.
By default, the port aging time is 260s.
Configuring Maximum Response Time
This task sets the maximum response time. If the Switch 7700 receives no report
message from a port in the maximum response time, it will remove the port from
the multicast group.
Tabl e 6 Enable/Disable IGMP Snooping
Operation Command
Enable/disable IGMP Snooping igmp-snooping { enable | disable }
Restore the default setting undo igmp-snooping
Tabl e 7 Configure Router Port Aging Time
Operation Command
Configure router port aging time igmp-snooping router-aging-time seconds
Restore the default aging time undo igmp-snooping router-aging-time