12-34 User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Chapter 12
CLI Command To modify an IGMP interface us ing the CLI, enter the following comm and

from interface mode:

(config-if:<interface>)# ip igmp <options>

Always be Group
Membership Querier Version 1.0 - Select Enable to make this interface the
designated querier. The default is Disable.
Version 2.0 - Select Enable to force this interface to
send queries. The default is Disable which tells the
interface to obey the designated querier election.
Note: Only the designated router will query hosts on
your network.
Process Leave
Packets turns off processing of IGMP leave messages when set
to disable. The default value is Enable.
Query Request
Interval in (sec) Enter a time period between queries.
The valid range for this field is 1 to 65,535. The default
setting is 125 seconds.
Query Response
Interval in (sec) Enter a time (in seconds) to wait for a response from a
host after a query is sent. If no response is received
within this time, the host is removed from the group
table.
The valid range for this field is 1 to 25. The default
setting is 10 seconds.
Neighbor Querier
Timeout Interval in
(sec)
Enter a time (in seconds) this interface should wait after
hearing a neighbor’s query before assuming the role of
querier, if not already the querier. If no query is
received from a neighbor with a lower IP address in the
allotted time, this interface becomes the querier (IGMP
Version 2.0 only).
The valid range for this field is 30-600. The default
setting is 255 seconds.
Robustness Variable Modify this field for any expected packet loss on a
subnet. If a subnet is expected to have more packet loss,
the Robustness Variable should be increased. The
Robustness Varia ble m ust not be set to 0 and should not
be set to 1.
The valid range for this field is 1 to 65,535. The default
setting is 2.

Table 12-8. IGMP Interface Parameters

Parameter Allows you to...
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