Specifications

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Choose the menu Routing→DHCP Relay→Global Config to load the following page.
Figure 10-19 Global Config
The following entries are displayed on this screen:

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.
Remote ID: Enter the sub-
option Remote ID for the customized Option 82
field.
10.5.2 DHCP Server
This page enables you to configure DHCP Servers on the specified interface.