TP-Link T1500-28PCT T1500-28PCTTL-SL2428PUN V3 User Guide - Page 453

Configuring DHCP Service Configuration Examples Normal and Remote ID Customization as Disabled. Enable Circuit ID Customization and specify the Circuit ID as Group2. Switch(config)#interface gigabitEthernet 1/0/2 Switch(config-if)#ip dhcp l2relay information Switch(config-if)#ip dhcp l2relay information strategy replace Switch(config-if)#ip dhcp l2relay information circuit-id Group2 Switch(config-if)#end Switch#copy running-config startup-config Verify the Configurations View global settings: Switch#show ip dhcp l2relay Global Status: Enable VLAN ID: 1 View port settings: Switch#show ip dhcp l2relay information interface gigabitEthernet 1/0/1 Interface Option 82 Status Operation Strategy Format Circuit ID ... Gi1/0/1 Enable Replace Normal Group1 ... Switch#show ip dhcp l2relay information interface gigabitEthernet 1/0/1 Interface Option 82 Status Operation Strategy Format Circuit ID ... Gi1/0/2 Enable Replace Normal Group2 ... 4.3.4 Configuring the DHCP Server Note: •• Make sure the DHCP server supports Option 82 and more than one DHCP address pool. •• To make sure the DHCP server can reach the computers, you can create static routes or enable dynamic routing protocol like RIP on the DHCP server. •• In this section, we use different notations to distinguish ASCII strings from hexadecimal numbers. An ASCII string is enclosed with quotation marks, such as "123", while a hexadecimal number is divided by colon into parts of two digits, such as 31:32:33. User Guide 430