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DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide

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.