TP-Link T2500G-10TS - Page 129

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Choose the menu DHCP→DHCP Relay→DHCP Relay to load the following page.
Figure 8-8 Global Config
The following entries are displayed on this screen:

Global Config
DHCP Relay:
Enable or disable the DHCP Relay function.

Option 82 configuration
Configure the Option 82 which cannot be assigned by the switch.
Option 82 Support:
Enable or disable the Option 82 feature.
Existed Option 82
Field:
Select the operation for the existed 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 or disable the switch to define the Option 82 field.
Circuit ID: Enter the sub-
option Circuit ID for the customized Option 82
field.