D-Link DSA-3200 Informações Técnicas descarregar pdf (Página 85)

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DGS-3200 Series Layer 2 Managed Gigabit Ethernet Switch Web UI Reference Guide

Figure 3 - 26. IGMP Snooping Parameters Settings window

The following parameters can be configured:

Parameter Description

Query Interval (1-65535)

This parameter specifies the length of time between sending IGMP Queries.

Default= 125.

Max Response Time (1-25)

This parameter is used to set the maximum amount of time allowed before sending

an IGMP response report. Default= 10.

Robustness Value (1-7)

This parameter is used as a tuning variable that allows for a large number of packets

being lost on subnetworks. Specify a value between 1 and 255. Specify a high value

if you expect your subnetworks to lose a large number of packets. Default= 2.

Last Member Query Interval

(1-25)

This parameter is used to set the maximum amount of time between group-specific

query messages, including messages that have been sent in response to leave

group messages. Default= 2.

Data Driven Group Expiry

Time (1-65535)

Specify the data driven group lifetime in seconds.

Querier State Choose Enabled from the drop-down menu to enable the transmission of IGMP

Query Packets or choose Disabled to disable. Default = Disabled.

Fast Leave Choose Enabled from the drop-down menu to enable the Fast Leave function or

choose Disabled to disable. If Fast Leave is Enabled, the membership will

immediately be removed when the system receives an IGMP leave message.

State Use the drop-down menu to Enable or Disable the IGMP Snooping feature for the

specified VLAN.

Report Suppression

Use the drop-down menu to enable or disable report suppression function. The

Switch uses IGMP report suppression to forward only one IGMP report per multicast

router query to multicast devices.

Data Driven Learning State

Use the drop-down menu to enable or disable the data driven learning of an IGMP

snooping group.

Data Driven Learning Aged

Out

Use the drop-down menu to enable or disable the aging on the entry.

Version

Use the drop-down menu to specify the version of IGMP packets that will be sent by

the specified ports. If an IGMP packet received by the interface has a version higher

then the specified version, the packet will be dropped.

After setting the above parameters, click the Apply button in the top section of the window to allow your changes to be

implemented. Click the <<Back button to discard the changes made and return to the previous page.

Click the Modify Router Port link to see the following window:

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