I don't see how that is differnt than what i've already tried with the exception that you mention static IP's. I used address reservations instead, and they seem to be working fine. note:

Hardware version: TL-ER5120 v3.0 Firmware version: 3.0.2 Build 20180125 Rel.35267 I've been working on this problem for 5 days, Google doesn't seem to be helping and that is surprising. Lack of posts...