DHCP option 43

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DHCP option 43

L1 Bithead



Can we use Option 43 without Vendor Class Identifier, In GUI without VCI I can't select ok. If client doesn't use option 60 with DHCPREQUEST then what we do ?




Cyber Elite
Cyber Elite

I have configured DHCP on the PA.

No options selected and it works fine.


What are you trying to accomplish?


Option 43 is selected to provide wireless controller ip to Access Points.

So then you are using the DHCP relay on the PA  right?

DHCP is configured on the controllers right?


PA as DHCP server. Client will send Vendor Class Identifier with option 60 in the dhcprequest, server will check Vendor Class Identifier and provide Wireless Controller ip while offering ip address to the Access Point.

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