By using the DHCPUtil.exe on the front end server one can emulate a DHCP query and thus test the DHCP configuration.
 The command is DHCPUtil.exe -emulateclient

The results are seen in the cmd window as follows:-



 The request above is sent on the LAN connected interface (10.2.85.30)


Above we see a response from the DHCP server (10.2.24.110).
Notice DHCP SIP Server (Option 120) and Vendor Info (Option 43)

And voila…success

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