Configuring Dhcp Snooping Basic Functions - H3C S5120-SI Series Operation Manual

If a client's
requesting
message has...
no Option 82
The handling strategy and padding format for Option 82 on the DHCP snooping device are the same as
those on the relay agent.

Configuring DHCP Snooping Basic Functions

Follow these steps to configure DHCP snooping basic functions:
To do...
Enter system view
Enable DHCP snooping
Enter Ethernet interface view
Specify the port as trusted
Handling Padding
strategy format
normal
Replace
verbose
user-defined
— normal
— verbose
— user-defined
Use the command...
system-view
dhcp-snooping
interface interface-type
interface-number
dhcp-snooping trust
[ no-user-binding ]
3-4
The DHCP snooping device will...
Forward the message after replacing the
original Option 82 with the Option 82
padded in normal format.
Forward the message after replacing the
original Option 82 with the Option 82
padded in verbose format.
Forward the message after replacing the
original Option 82 with the user-defined
Option 82.
Forward the message after adding the
Option 82 padded in normal format.
Forward the message after adding the
Option 82 padded in verbose format.
Forward the message after adding the
user-defined Option 82.
Remarks
—
Required
Disabled by default.
—
Required
Untrusted by default.