Alcatel-Lucent 6850-48 Network Guide

Modifying IPMS Parameters

Configuring IP Multicast Switching

page 42-16

OmniSwitch AOS Release 6 Network Configuration Guide

To restore the IGMP query response interval to its default (i.e., 100 tenths-of-seconds) value on the system 
if no VLAN is specified, use the 

 command by entering:

-> ip multicast query-response-interval 0

Or, as an alternative, enter:

-> ip multicast query-response-interval

To restore the IGMP query response interval to its default value.

You can also restore the IGMP query response interval on the specified VLAN by entering:

-> ip multicast van 2 query-response-interval 0

Or, as an alternative, enter:

-> ip multicast vlan 2 query-response-interval

To restore the IGMP query response interval to its default value.

The default IGMP router timeout (i.e., expiry time of IP multicast routers) is 90 seconds. The following 
subsections describe how to configure a user-specified router timeout value and how to restore it with the 

You can modify the IGMP router timeout from 1 to 65535 seconds by entering 

 followed by the new value. For example, to set the IGMP router timeout to 

360 seconds on the system if no VLAN is specified, you would enter:

-> ip multicast router-timeout 360

You can also modify the IGMP router timeout on the specified VLAN by entering:

-> ip multicast vlan 2 router-timeout 360

To restore the IGMP router timeout to its default (i.e., 90 seconds) value on the system if no VLAN is 
specified, use the 

 command by entering:

-> ip multicast router-timeout 0

Or, as an alternative, enter:

-> ip multicast router-timeout

To restore the IGMP router timeout to its default value.