Tp-Link TL-SG3216 Инструкция по эксплуатации онлайн [156/236] 38897

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DHCP Snooping: Enable/Disable the DHCP Snooping function globally.

Global Flow Control: Select the value to specify the maximum amount of DHCP

messages that can be forwarded by the switch per second. The

excessive massages will be discarded.

Decline Threshold: Select the value to specify the minimum transmission rate of the

Decline packets to trigger the Decline protection for the specific

port.

Decline Flow Control: Select the value to specify the Decline Flow Control. The traffic

flow of the corresponding port will be limited to be this value i

the transmission rate of the Decline packets exceeds the

Decline Threshold.

¾ Option 82 Config

Option 82 Support: Enable/Disable the Option 82 feature.

Existed Option 82 field: Select the operation for the Option 82 field of the DHCP request

packets from the Host.

• Keep: Indicates to keep the Option 82 field of the packets.

• Replace: Indicates to replace the Option 82 field of the

packets with the switch defined one.

• Drop: Indicates to discard the packets including the Option

82 field.

Customization: Enable/Disable the switch to define the Option 82.

Circuit ID: Enter the sub-option Circuit ID for the customized Option 82.

Remote ID: Enter the sub-option Remote ID for the customized Option 82.

¾ Port Config

Port Select: Click the Select button to quick-select the corresponding port

based on the port number you entered.

Select: Select your desired port for configuration. It is multi-optional.

Port: Displays the port number.

Trusted Port: Select Enable/Disable the port to be a Trusted Port. Only the

Trusted Port can receive the DHCP packets from DHCP

servers.

MAC Verify: Select Enable/Disable the MAC Verify feature. There are two

fields of the DHCP packet containing the MAC address of the

Host. The MAC Verify feature is to compare the two fields and

discard the packet if the two fields are different.

Flow Control: Select Enable/Disable the Flow Control feature for the DHCP

packets. The excessive DHCP packets will be discarded.

Decline Protect: Select Enable/Disable the Decline Protect feature.

LAG: Displays the LAG to which the port belongs to.