H3C Technologies H3C S12500 Series Switches - Manual (Page 72)

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If a client's
requesting message
has…
Handling
strategy
Padding format The DHCP relay agent…
N/A verbose
Forwards the message after adding the Option
82 padded in verbose format.
N/A user-defined
Forwards the message after adding the
user-defined Option 82.
DHCP relay agent configuration task list
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.
Enabling unauthorized DHCP server detection Optional.
Enabling client offline detection Optional.
Configuring the DHCP relay agent to release an IP address Optional.
Configuring the DHCP relay agent to support Option 82 Optional.
Enabling DHCP
Enable DHCP before performing other DHCP-related configurations.
To enable DHCP:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enable DHCP. dhcp enable Disabled by default.
Enabling the DHCP relay agent on an interface
With the DHCP relay agent enabled, an interface forwards incoming DHCP requests to a DHCP server
for address allocation.
To enable the DHCP relay agent on an interface:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A