I am confused about how can you connect your switch to a neighbors WiFi. The switch can only have connection by ethernet cable. Could you tell me about your model of the switch?

Hi Link I don't understand your means about the "Link Length 20.000", is that shows in the Mikrotik? The SM321B can support at most 10km cable length. And as I known, there is no another one with...

As I known, TP-Link Router can support Port VLAN. Maybe not match your needs about the VLAN. You can have a check on their Website.

Hi dude Of course you can use two R470T+ in cascade. You just need to setting the Load Balance in the first route.

You want to communicate with the device which is in the LAN of 600VPN？And could you tell me the LAN IP of the 600VPN?

Hi guys, the issue you describe is strange. Maybe you can clear your setting on the router and have a try again. If the problem still exits, you can contact the Technical Support of TP-Link and send...