Reference Guide

Dell PowerConnect ArubaOS 6.0 Command Line Interface | Reference Guide ip igmp | 273
ip igmp
ip igmp
last-member-query-count <number>
last-member-query-interval <seconds>
query-interval <seconds>
query-response-interval <.1 seconds>
robustness-variable <2-10>
startup-query-count <number>
startup-query-interval <seconds>
version-1-router-present-timeout <seconds>
Description
This command configures Internet Group Management Protocol (IGMP) timers and counters.
Syntax
Usage Guidelines
IGMP is used to establish and manage IP multicast group membership. See RFC 3376, “Internet Group
Management Protocol, version 3” for more information.
Example
The following command configures IGMP:
(host) (config) #ip igmp
query-interval 130
Command History
This command was available in ArubaOS 3.0.
Parameter Description Range Default
last-member-
query-count
Number of group-specific queries that the controller sends before
assuming that there are no local group members.
—2
last-member-que
ry-interval
Maximum time, in seconds, that can elapse between group-
specific query messages.
— 10 seconds
query-interval Interval, in seconds, at which the controller sends host-query
messages to the multicast group address 224.0.0.1 to solicit group
membership information.
1-1024 125 seconds
query-response-
interval
Maximum time, in .1 seconds, that can elapse between when the
controller sends a host-query message and when it receives a
response. This must be less than the query-interval.
1-1024 100 (10 seconds)
robustness-vari
able
Increase this value to allow for expected packet loss on a
subnetwork.
2-10 2
startup-query-
count
Number of queries that the controller sends out on startup,
separated by startup-query-interval. The default is the robustness-
variable value.
—2
startup-query-
interval
Interval, in seconds, at which the controller sends general queries
on startup. The default is 1/4 of the query-interval.
— 31 seconds
version-1-rou
ter-present-
timeout
Timeout, in seconds, if a version 1 IGM router is detected. — 400 seconds