D-Link xStack DGS-3620 Series Reference Manual page 270

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xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
Click the Edit button to see the following window.
The fields that can be configured are described below:
Parameter
Version
State
Query Interval (1-
31744)
Max Response Time
(1-25)
Robustness Variable
(1-7)
Last Member Query
Interval (1-25)
Click the <<Back button to return to the previous window.
Click the Apply button to accept the changes made.
IGMP Subscriber Source Network Check Settings
This window allows users to configure IGMP check subscriber source network settings. When Check Subscriber
Source Network is enabled on an interface, every IGMP report/leave message received by the interface will be
checked to see whether its source IP is in the same network as the interface. If the check is disabled, an IGMP
report/leave message with any source IP can be processed by IGMP protocol.
To view the following window, click L3 Features > IP Multicast Routing Protocol > IGMP > IGMP Subscriber
Source Network Check Settings, as shown below:
Figure 6-92 IGMP Interface Settings – Edit window
Description
Use the drop-down menu to select the IGMP version that will be used to interpret
IGMP queries on the interface. By default, the version is 3.
Use the drop-down menu to enables or disables IGMP for the IP interface. The
default is Disabled.
Enter a value between 1 and 31744 seconds, with a default of 125 seconds. This
specifies the length of time between sending IGMP queries.
Enter a value between 1 and 25 to specify the maximum amount of time allowed
before sending an IGMP response report. The default time is 10 seconds.
A tuning variable to allow for subnetworks that are expected to lose a large number of
packets. A value between 1 and 7 can be entered, with larger values being specified
for subnetworks that are expected to lose larger numbers of packets. The default
setting is 2.
Enter a value between 1 and 25 to specify the maximum amount of time between
group-specific query messages, including those sent in response to leave group
messages. The default is 1 second.
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