User`s guide

D-Link DGS-3324SR Layer 3 Stackable Gigabit Ethernet Switch
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Figure 4- 84. IGMP Interface Configuration Table
Figure 4- 85. IGMP Interface Configuration window
This window allows the configuration of IGMP for each IP interface configured on the Switch. IGMP can be
configured as Version 1 or 2 by toggling the Version field using the pull-down menu. The length of time
between queries can be varied by entering a value between 1 and 65,500 seconds in the Query Interval field.
The maximum length of time between the receipt of a query and the sending of an IGMP response report can be
varied by entering a value in the Max Response Time field.
The Robustness Variable field allows IGMP to be ‘tuned’ for sub-networks that are expected to lose a lot of
packets. A high value (max. 255) for the robustness variable will help compensate for ‘lossy’ sub-networks. A
low value (min. 2) should be used for less ‘lossy’ sub-networks.
The following fields can be set:
Parameter Description
Interface Name
<System>
Displays the name of the IP interface that is to be configured for IGMP.
This must be a previously configured IP interface.
IP Address
Displays the IP address corresponding to the IP interface name above.
Version <2>
Enter the IGMP version (1 or 2) that will be used to interpret IGMP queries
on the interface.
Query Interval(1-
65535) <125>
Allows the entry of a value between 1 and 65535 seconds, with a default of
125 seconds. This specifies the length of time between sending IGMP
queries.
Max Response
Time(1-25) <10>
Sets the maximum amount of time allowed before sending an IGMP
response report. A value between 1 and 25 seconds can be entered, with
a default of 10 seconds.