TP-Link TL-SG5412F

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Example
Configure the sub-option Remote ID for the customized Option 82 as tplink:
TP-LINK(config)# dhcp-snooping information remote-id tplink
dhcp-snooping information circuit-id
Description
The dhcp-snooping information circuit-id command is used to configure the
sub-option Circuit ID for the customized Option 82.
Syntax
dhcp-snooping information circuit-id string
Parameter
string ——Enter the sub-option Circuit ID, which contains 32 characters at most.
Command Mode
Global Configuration Mode
Example
Configure the sub-option Circuit ID for the customized Option 82 as tplink:
TP-LINK(config)# dhcp-snooping information circuit-id tplink
dhcp-snooping trusted
Description
The dhcp-snooping trusted 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
dhcp-snooping trusted command.
Syntax
dhcp-snooping trusted
no dhcp-snooping trusted
Command Mode
Interface Configuration Mode（interface ethernet / interface range ethernet）