TP-Link T2500G-10MPS T2500G-10MPSUN V1 CLI Reference Guide Guide - Page 394

Command Mode Global Configuration Mode Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Enable option 82 support in DHCP Relay: T2500G-10MPS(config)# ip dhcp relay information 37.3 ip dhcp relay information policy Description The ip dhcp relay information policy command is used to specify the operation for the Option 82 field of the DHCP request packets from the Host. To restore to the default option, 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 --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: T2500G-10MPS(config)# ip dhcp relay information policy replace 376