TP-Link 10GE T1700G-28TQUN V1 CLI Reference Guide - Page 343

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: T1700G-28TQ(config)# ip dhcp relay information policy replace 35.5 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: T1700G-28TQ(config)# ip dhcp relay information custom 327