TP-Link TL-SG5428

64
default Circuit ID for the Option 82, please use no ip dhcp snooping
information circuit-id command.
Syntax
ip dhcp snooping information circuit-id string
no ip dhcp snooping information circuit-id
Parameter
string ——Enter the sub-option Circuit ID, which contains 32 characters at most.
Command Mode
Global Configuration Mode
Example
Enable and configure the customized sub-option Circuit ID for the Option 82 as
tplink:
TL-SG5428(config)# ip dhcp snooping information circuit-id tplink
ip dhcp snooping trust
Description
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.
Syntax
ip dhcp snooping trust
no ip dhcp snooping trust
Command Mode
Interface Configuration Mode (interface gigabitEthernet / interface range
gigabitEthernet)
Example
Configure port 2 to be a Trusted Port:
TL-SG5428(config)# interface gigabitEthernet 1/0/2
TL-SG5428(config-if)# ip dhcp snooping trust