428 
Syntax 
ip dhcp relay information policy { drop | keep | replace } 
no ip dhcp relay information policy 
Parameter 
drop | keep | replace ——The operations for Option 82 field of the DHCP 
request packets from the Host. The default operation 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 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands. 
Example 
Specify the option 82 policy as replace to replace the Option 82 field with the 
local parameter on receiving the DHCP request packet: 
T2600G-28TS(config)# ip dhcp relay information policy replace 
46.5 ip dhcp relay information custom 
Description 
The ip dhcp relay information custom command is used to enable the switch 
to customize the option 82 field. To disable this function, please use no ip dhcp 
relay information custom command. 
Syntax 
ip dhcp relay information custom 
no ip dhcp relay information custom 
Command Mode 
Global Configuration Mode 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands. 
Example 
Enable the switch to customize the option 82 field: 
T2600G-28TS(config)# ip dhcp relay information custom