dhcp option 43 for unifi

Question

hi, 
 Can anyone tell me what the format is to get the dhcp option to work for unifi please on a sophos XG? 
 I am using option 43 and have tried the ip of the unifi controller. This worked fine on v19.5.2 but since updating to v19.5.3 it now doesnt work and the unifi controller is not seeing the door hubs being connected. 
 I have tried hex like this c0a8befc, 0104c0a8befc, 0 1:04: c0:a8:be:fc and all of them in Caps as well but nothing is working.

Vivek Jagad · Answer

Hello PeteH , Thank you for reaching out to the community, you can use the following command: 
 console> system dhcp dhcp-options binding add dhcpname <YOUR DHCP SERVER NAME> optionname Vendor_Encapsulated_Options(43) value '0104xxxxxxxx' 
 where xxxxxxxx is the hex ip address for your unifi controller Ref: Appendix A &ndash; DHCP Options (RFC 2132) . > dhcp

dhcp option 43 for unifi

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