@mad_dad Just tried again and this time I started with trying to ping the interfaces and it did work. So lead me back to my firewall and sure enough, it was missing an allow rule to allow echo/ping...

So far I think I've read every article on this subject on the forum and none seem to work. I have TL-SG3452P and can't seem to configure 2 VLANS to ping each other. Some articles refer to the...