Planet Networking & Communication SGS-6340-24T4S Command Manual page 588

32.13 ip dhcp server relay information enable
Command:
ip dhcp server relay information enable
no ip dhcp server relay information enable
Function:
This command is used to enable the switch DHCP server to identify option82. The "no ip dhcp server relay
information enable" command will make the server ignore the option 82.
Parameters:
None
Command Mode:
Global configuration mode
Default Setting:
The system disable the option82 identifying function by default.
User Guide:
If the users want the switch DHCP server to identify option82 and return option 82 information in the reply message,
this command needs to be set, or, the switch DHCP server will ignore the option82.
Example:
Set the DHCP server to support option82
Switch(Config-if-Vlan1)# ip dhcp server relay information enable
32.14 show ip dhcp relay information option
Command:
show ip dhcp relay information option
Function:
This command will display the state information of the DHCP option 82 in the system, including option82 enabling
switch, the interface retransmitting policy, the circuit ID mode and the switch DHCP server option82 enabling switch.
32-36