@d0ugmac1 Correct. It does, but I want client isolation that the Guest box offers and it should work and it works when I enable the Portal, so something is making it work when Portal is enabled....

@d0ugmac1 I use an OPNsense firewall/router. Guest and Trusted are on separate VLANs and there is a rule set to allow access to the printer from Guest VLAN. The setup worked properly with the UniFi...

UPDATE 1/6/24 - ISSUE RESOLVED WITH STEPS BELOW FROM TP-LINK SUPPORT: Including this information for anyone in the future struggling with a similar issue: Please don't use Portal Do this instead; 1)...