D-Link xStack DGS-3420 Series Reference Manual page 139

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
Click the Edit button to configure the IGMP Snooping Parameters Settings.
Click the Modify Router Port
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
After clicking the Edit button, the following page will appear:
The fields that can be configured are described below:
Parameter
Query Interval (1-65535)
Max Response Time (1-
25)
Robustness Value (1-7)
Last Member Query
Interval (1-25)
Data Driven Group
Expiry Time
Proxy Reporting Source
IP
Proxy Reporting State
Querier State
Fast Leave
State
link to configure the IGMP Snooping Router Port Settings.
Figure 4-55 IGMP Snooping Parameters Settings window
Description
Specify the amount of time in seconds between general query transmissions. The
default setting is 125 seconds..
Specify the maximum time in seconds to wait for reports from members. The default
setting is 10 seconds.
Provides fine-tuning to allow for expected packet loss on a subnet. The value of the
robustness value is used in calculating the following IGMP message intervals: By
default, the robustness variable is set to 2.
Specify the maximum amount of time between group-specific query messages,
including those sent in response to leave-group messages. You might lower this
interval to reduce the amount of time it takes a router to detect the loss of the last
member of a group.
Specifies the data driven group lifetime value used. This value is only applicable if the
aged out option is enabled.
Enter the proxy reporting source IP address.
Use the drop-down menu to enable and disable the proxy report state.
If this state is enable, it allows the Switch to be selected as an IGMP Querier that
sends IGMP query packets. If this state is disabled, then the Switch will not play the
role as a Querier.
Enable or disable the IGMP snooping fast leave function. If enabled, the membership
is immediately removed when the system receive the IGMP leave message.
Used to enable or disable IGMP snooping for the specified VLAN. This option is
disabled by default.
Note: If the Layer 3 router connected to the switch provides only the IGMP proxy
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