How To Setup DHCP Option 43 on pfSense For Unifi Adoption [YouTube Release]

Additional Resources:

DHCP Option 43 is a versatile tool in network management that provides a standardized way for DHCP clients (like switches or access points) to receive configuration information from DHCP servers. This tutorial will guide you through the process of configuring DHCP Option 43 in pfSense so UniFi devices can be easily adopted when on a separate network.

Blog post with DHCP Option 34 Hex String Creator

UniFi Documentation

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Chapters
00:00 What Is DHCP Option 43
00:40 Converting IP To HEX for Option 43
02:32 pfsense DHCP Option 43
02:53 Adopting in UniFi using Option 43

been using this for ages for adopting to a self hosted controller (serving multiple sites) running on a oracle amphere arm64 vm

also works fine with no need to open port 443 or 80, just the others, so reducing attack surface big time (web access over tailscale instead) :slight_smile:

Do you have this working in the KEA DHCP server backend? I had to revert back to ISC to find the custom DHCP