D-Link DWS-3160-24TC, Справочное руководство

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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide
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Figure 7-42 IGMP Snooping Settings window
The fields that can be configured are described below:
Parameter Description
IGMP Snooping State Click to enable or disable the IGMP Snooping state.
Max Learning Entry
Value (1-1024)
Enter the maximum learning entry value.
Click the Apply button to accept the changes made for each individual section.
Click the Edit button to configure the IGMP Snooping Parameters Settings.
Click the Modify Router Port link to configure the IGMP Snooping Router Port Settings.
After clicking the Edit button, the following page will appear:
Figure 7-43 IGMP Snooping Parameters Settings window
The fields that can be configured are described below:
Parameter Description
Query Interval (1-65535) Specify the amount of time in seconds between general query transmissions. The
default setting is 125 seconds..
Max Response Time (1-
25) Specify the maximum time in seconds to wait for reports from members. The
default setting is 10 seconds.
Robustness Value (1-7)
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.
Last Member Query
Interval (1-25) 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.
Data Drive Group
Expiry Time (1-65535)
Specify the data driven group lifetime in seconds.
Querier State Specify to enable or disable the querier state.