H3C LS-3100-52P-OVS-H3 Operation Manual - page 398
3-8
Configuring the DHCP relay agent to support Option 82
Follow these steps to configure the DHCP relay agent to support Option 82:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter interface view
interface interface-type
interface-number
—
Enable the relay agent to support Option
82
dhcp relay information
enable
Required
Disabled by default.
Configure the handling strategy for
requesting messages containing Option
82
dhcp relay information
strategy { drop | keep |
replace }
Optional
replace by default.
Configure the
padding format for
Option 82
dhcp relay information
format { normal | verbose
[ node-identifier { mac |
sysname | user-defined
node-identifier } ] }
Optional
normal by default.
Configure the code
type for the circuit ID
sub-option
dhcp relay information
circuit-id format-type
{ ascii | hex }
Optional
By default, the code type
depends on the padding
format of Option 82. Each
field has its own code
type.
The code type
configuration applies to
non-user-defined Option
82 only.
Configure
non-user-defined
Option 82
Configure the code
type for the remote
ID sub-option
dhcp relay information
remote-id format-type
{ ascii | hex }
Optional
By default, the code type
is hex.
This code type
configuration applies to
non-user-defined Option
82 only.
Configure the
padding content for
the circuit ID
sub-option
dhcp relay information
circuit-id string circuit-id
Optional
By default, the padding
content depends on the
padding format of Option
82.
Configure
user-defined
Option 82
Configure the
padding content for
the remote ID
sub-option
dhcp relay information
remote-id string
{ remote-id | sysname }
Optional
By default, the padding
content depends on the
padding format of Option
82.