TP-LINK TL-SG3210 사용자 설명서

 

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default Circuit ID for the Option 82, please use no  ip dhcp snooping 

information circuit-id command.   

ip dhcp snooping information circuit-id string 

string ——Enter the sub-option Circuit ID, which contains 32 characters at most.   

Global Configuration Mode 

Enable and configure the customized sub-option Circuit ID for the Option 82 as 

tplink: 

TL-SG3424(config)# ip dhcp snooping information circuit-id tplink 

The ip dhcp snooping trust command is used to configure a port to be a 

Trusted Port. Only the Trusted Port can receive the DHCP packets from DHCP 

servers. To turn the port back to a distrusted port, please use no ip dhcp 

snooping trust command. 

ip dhcp snooping trust   

Interface Configuration Mode (interface gigabitEthernet / interface range 

gigabitEthernet) 

Configure port 2 to be a Trusted Port: 

TL-SG3424(config)# interface gigabitEthernet 1/0/2 

TL-SG3424(config-if)# ip dhcp snooping trust