PLANET WGS3-24240 - Manual (Page 318)

User’s Manual of WGS3-24000 / WGS3-24240
318
Configurable Data
Object Description
• 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 2 and the default value is 2.
• 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 10. 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 1. 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.
• Submit button 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.