I used the below firmware and everything worked fine. You can have a try. https://we.tl/t-ZNMLjJdP3r

The devices having 802.1Q VLAN doesn't mean that it will support inter-VLAN routing. Inter-VLAN routing(VLAN interface) is Layer3 feature and 802.1Q VLAN is Layer2 feature. Now you need a L3 switch...

When you access your server from LAN IP, why don't you access the private network IP address of the server directly? If you must access the server thorugh WAN IP, suggest to contact TP-LINK SUPPORT...

pano wrote yeah.. In my case the default gateway is blank. do you know how to fix it? Make sure that your PC already get the IP address from the router. Then try to clear the cache of the browser and...

Sorry that have not idea.

alainb wrote Hi, I have the same issue. Do you have any hint? If you mean that you need to allow the special IP address to be able to access your server in LAN, you can use virtual server and access...