Specifications

684 ExtremeWare XOS 10.1 Command Reference Guide
IP Multicast Commands
configure igmp
configure igmp <query_interval> <query_response_interval>
<last_member_query_interval> {<robustness>}
Description
Configures the Internet Group Management Protocol (IGMP) timers.
Syntax Description
Default
• query interval—125 seconds
• query response interval—10 seconds
• last member query interval—1 second
• robustness—2
Usage Guidelines
Timers are based on RFC2236. Specify the following:
• query interval—The amount of time, in seconds, the system waits between sending out general
queries. The range is 1 to 429,496,729 seconds.
• query response interval—The maximum response time inserted into the periodic general queries.
The range is 1 to 25 seconds.
• last member query interval—The maximum response time inserted into a group-specific query sent
in response to a leave group message. The range is 1 to 25 seconds.
• robustness—The degree of robustness of the network. The range is 2 to 10.
Example
The following command configures the IGMP timers:
configure igmp 100 5 1 3
query_interval Specifies the interval (in seconds) between general queries.
query_response_interval Specifies the maximum query response time (in seconds).
last_member_query_interval Specifies the maximum group-specific query response time (in seconds).
robustness Specifies the degree of robustness for the network.