TP-Link T2600G-28TS - Ip Dhcp Snooping Information Circuit-ID; Ip Dhcp Snooping Trust

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15.7 ip dhcp snooping information circuit-id
Description
The ip dhcp snooping information circuit-id command is used to enable and
configure the customized sub-option Circuit ID for the Option 82 on a specified
port/port channel. To return to the 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 64 characters at
most.
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
Enable and configure the customized sub-option Circuit ID for the Option 82 as
“tplink” on port 1/0/1:
T2600G-28TS(config)#interface gigabitEthernet 1/0/1
T2600G-28TS(config-if)#ip dhcp snooping information circuit-id tplink
15.8 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.