T2700G-28TQ
JetStream 28-Port Gigabit Stackable L2+ Managed Switch CLI Guide
307
Command Mode
Global Configuration Mode
Example
Enable option 82 support in DHCP Relay:
T2700G-28TQ(config)# ip dhcp relay information
ip dhcp relay information policy
Description
The
ip dhcp relay information policy
command is used to specify the policy
when receiving DHCP request packets with Option 82 field. To resume the
default policy, please use
no ip dhcp relay information policy
command.
Syntax
ip dhcp relay information policy
[ drop | keep | replace
]
no
ip dhcp relay information policy
Parameter
drop | keep | replace —— Specify the policy. The default policy is keep.
drop: Discard the packet with the Option 82 field.
keep: Keep the Option 82 field in the packet.
replace: Replace the option 82 field with the system option defined by the
switch.
Command Mode
Global Configuration Mode
Example
Specify the option 82 policy as replace to replace the Option 82 field with the
local parameter on receiving the DHCP request packet:
T2700G-28TQ(config)# ip dhcp relay information policy
replace
ip dhcp relay information custom
Description
The
ip dhcp relay information custom
command is used to enable the Option
82 customization function. To disable this function, please use
no ip dhcp relay
information custom
command.
Syntax
ip dhcp relay information custom