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9-56 Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1
Chapter
3. Click APPLY to save your changes, or CANCEL to restore
previous settings.
Modifying IGMP
Interfaces Using
the CLI
To modify an IGMP interface using the CLI, enter the following
command from interface mode:
(config-if:<interface>)# ip igmp <options>
Refer to the Command Reference Guide for the Avaya P550R, P580, P880,
and P882 Multiservice Switches, Version 5.3.1 for details about this
command.
IGMP Version Select the IGMP Version (1.0 or 2.0) to be associated
with the IGMP interface.
Maximum Groups Enter the number of IGMP Groups that can be active on
this interface. The default value is 32.
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 default value
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 default value 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 default value 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 Variable must not be set to 0 and should not be
set to 1. The default value is 2.
Table 6-21. IGMP Interface Parameters continued
Parameter Allows you to...