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Version - Enter the version of IGMP you want to config ure on the selected interfac e. Valid values are
1 to 3 and the default value is 3. This field is configurable only when IGMP interface mode is en abled.
Robustness - Enter the robustness value. This vari able allows tuning for the expected packet loss on
a subnet. If you expect the subnet to be lossy, you should enter a higher n umber for this parameter.
IGMP is robust to (robustness variable-1) pa cket 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 num be r of queri es 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 grou p
messages, and is also the amount of tim e between group-sp ecifi c query m essages. Valid val ues 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.
Command Buttons
Submit - Send the updated configuration to the router. Configuration changes take effect
immediately. These changes will not be retained across a power cycle unless a save is performed.