Specifying Dhcp Server For The Interface Or Vlan - TP-Link T1600G-18TS Configuration Manual

Configuring DHCP
Existed Option
82 field
Customization
Circuit ID
Remote ID
3) Click Apply.

3.1.2 Specifying DHCP Server for the Interface or VLAN

You can specify DHCP server for an layer-3 interface or for a VLAN. The following
respectively introduces how to configure DHCP Interface Relay and DHCP VLAN Relay.
 DHCP Interface Relay
For T1600G-18TS, choose the menu Routing > DHCP Relay > DHCP Interface Relay to
load the following page.
For other T1600G series products, choose the menu Routing > DHCP Relay > DHCP
Server to load the following page.
Figure 3-2 Specify DHCP Server for Layer-3 Interface
Follow these steps to specify DHCP Server for the interface:
1) In the Add DHCP Server Address section, select the interface type and enter the
interface ID, and then enter the server address of the interface.
Select the operation for the Option 82 field of the DHCP request packets.
Keep: Indicates keeping the Option 82 field of the packets.
Replace: Indicates replacing the Option 82 field of the packets with the switch
defined one. By default, the Circuit ID is defined to be the VLAN and the number of
the port which receives the DHCP Request packets. The Remote ID is defined to
be the MAC address of the DHCP Relay device which receives the DHCP Request
packets.
Drop: Indicates discarding the packets that include the Option 82 field.
Select whether to enable Customization of Option 82 or not. When enabled,
configure Option 82 information manually.
Enter the customized circuit ID, which contains up to 64 characters. The circuit ID
configurations of the switch and the DHCP server should be compatible with each
other.
Enter the customized remote ID, which contains up to 64 characters. The remote
ID configurations of the switch and the DHCP server should be compatible with
each other.
DHCP Relay Configuration
Configuration Guide 413