TP-Link T1600G Series - DHCP Relay Configuration; Using the GUI; Enabling DHCP Relay and Configuring Option 82

Configuration Guide 412
Configuring DHCP DHCP Relay Configuration
3
DHCP Relay Configuration
To complete DHCP Relay configuration, follow these steps:
1) Enable DHCP Relay. Configure Option 82 if needed.
2) Specify DHCP server for the Interface or VLAN.
3.1 Using the GUI
3.1.1 Enabling DHCP Relay and Configuring Option 82
Choose the menu Routing > DHCP Relay > Global Config to load the following page.
Figure 3-1 Enable DHCP Relay and Configure Option 82
Follow these steps to enable DHCP Relay and configure Option 82:
1) In the Global Config section, enable DHCP Relay.
2) (Optional) In the Option 82 Configuration section, configure Option 82.
DHCP Relay Enable or disable DHCP Relay.
Option 82
Support
Select whether to enable Option 82 or not. By default, it is disabled. Option 82 is
used to record the locations of the DHCP client, its Ethernet port and the VLAN,
etc. If you need to record the accurate location of a client, you can enable Option
82 on the relay device closest to the client.