H3C Technologies H3C S7500E Series Switches - Manual (Page 68)

6-3
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.
verbose
Forward the message after replacing the
original Option 82 with the Option 82
padded in verbose format.
Option 82
Replace
user-defined
Forward the message after replacing the
original Option 82 with the user-defined
Option 82.
— normal
Forward the message after adding the
Option 82 padded in normal format.
— verbose
Forward the message after adding the
Option 82 padded in verbose format.
no Option 82
— user-defined
Forward the message after adding the
user-defined Option 82.
DHCP Relay Agent 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 Security Functions Optional
Configuring the DHCP Relay Agent to Send a DHCP-Release Request Optional
Configuring the DHCP Relay Agent to Support Option 82 Optional