TP-Link T1600G-28PS T1600G-28PSUN V3 CLI Reference Guide Guide - Page 262

Example Specify the option 82 strategy as replace to replace the Option 82 field with the local parameter on receiving the DHCP request packet for port 2: T1600G-28TS(config)#interface gigabitEthernet 1/0/2 T1600G-28TS(config-if)# ip dhcp relay information strategy replace 26.7 ip dhcp relay information format Description The ip dhcp relay information format command is used to select the format of option 82 sub-option value field. To restore to the default option, please use no ip dhcp relay information format command. Syntax ip dhcp relay information format { normal | private } no ip dhcp relay information format Parameter normal | private -- The format type of option 82 sub-option value field. normal: Indicates that the format of sub-option value field is TLV (type-length-value). private: Indicates that the format of sub-option value field is the value you configure for the related sub-option. Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface port-channel / interface range port-channel) Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Select the format of option 82 sub-option value field as TLV (type-length-value) for port 2: T1600G-28TS(config)#interface gigabitEthernet 1/0/2 T1600G-28TS(config-if)#ip dhcp relay information format normal 241