TP-Link TL-SG3424P manual Decline Flow Control, Customization Circuit ID Remote ID

The following entries are displayed on this screen:

DHCP Snooping Config

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:

Option 82 Config

Option 82 Support: Existed Option 82 field:

Customization:

Circuit ID:

Remote ID:

Port Config Port Select:

Select:

Port:

Trusted Port:

MAC Verify:

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 if the transmission rate of the Decline packets exceeds the Decline Threshold.

Enable/Disable the Option 82 feature.

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.

Enable/Disable the switch to define the Option 82.

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

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

Click the Select button to quick-select the corresponding port based on the port number you entered.

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

Displays the port number.

Select Enable/Disable the port to be a Trusted Port. Only the Trusted Port can receive the DHCP packets from DHCP servers.

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.

Select Enable/Disable the Flow Control feature for the DHCP packets. The excessive DHCP packets will be discarded.

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