H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 383)

36-3
If a reply returned by the DHCP server contains Option 82, the DHCP relay agent will remove the Option
82 before forwarding the reply to the client.
If a client’s requesting
message has…
Handling
strategy
Padding
format
The DHCP relay agent will…
Drop Random Drop the message.
Keep Random Forward the message without changing Option 82.
normal
Forward the message after replacing the original
Option 82 with the Option 82 padded in normal
format.
Option 82
Replace
verbose
Forward the message after replacing the original
Option 82 with the Option 82 padded in verbose
format.
— normal
Forward the message after adding the Option 82
padded in normal format.
no Option 82
— verbose
Forward the message after adding the Option 82
padded in verbose format.
Configuration Task List
Complete the following tasks to configure the DHCP relay agent:
Task Remarks
Enabling DHCP Required
Enabling the DHCP Relay Agent on an Interface Required
Correlating a DHCP Server Group with a Relay Agent Interface Required
Configuring the DHCP Relay Agent to Send a DHCP-Release Request Optional
Configuring the DHCP Relay Agent Security Functions Optional
Configuring the DHCP Relay Agent to Support Option 82 Optional
Configuring the DHCP Relay Agent
Enabling DHCP
Enable DHCP before performing other DHCP-related configurations.
Follow these steps to enable DHCP:
To do… Use the command… Remarks
Enter system view system-view —
Enable DHCP dhcp enable
Required
Disabled by default.