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Configuring IGMP Interface Configuration Page
Selection Criteria
Slot/Port - Select the slot and port for which data is to be displayed or configured from the pulldown menu.
Slot 0 is the base unit. You must have configured at least one router interface before configuring or
displaying data for an IGMP interface, otherwise an error message will be displayed.
Configurable Data
Interface Mode - Select enable or disable from the pulldown menu to set the administrative status of
IGMP on the selected interface. The default is disable.
Version - Enter the version of IGMP you want to configure on the selected interface. Valid values are 1 to
3 and the default value is 3.
Robustness - Enter the robustness value. This variable allows tuning for the expected packet loss on a
subnet. If you expect the subnet to be lossy, you should enter a higher number for this parameter. IGMP
is robust to (robustness variable-1) packet losses. Valid values are from 1 to 255. The default value is 2.
Query Interval - Enter the frequency in seconds at which IGMP host-query packets are to be transmitted
on this interface. Valid values are from 1 to 3600. The default value is 125.
Query Max Response Time - Enter the maximum query response time to be advertised in IGMPv2
queries on this interface, in tenths of a second. The default value is 100. Valid values are from (0 to 255) .
Startup Query Interval - Enter the number of seconds between the transmission of startup queries on
the selected interface. The valid values are from 1 to 300. The default value is 31.
Startup Query Count - Enter the number of queries to be sent on startup. The valid values are from 1 to
20. The default value is 2.
Last Member Query Interval - Enter the last member query interval in tenths of a second. This the
maximum response time to be inserted into group-specific queries sent in response to leave group
messages, and is also the amount of time between group-specific query messages. Valid values are from
0 to 255. The default value is 10. This value is not used for IGMP version 1.
Last Member Query Count - Enter the number of queries to be sent on receiving a leave group report.
Valid values are from 1 to 20. The default value is 2.