I have an MR3420 for backup, but I let the 3420 make the failover decision. In my case the local devices connect to the 3420, the WAN port of the 3420 connects to a LAN port on my broadband router....

My last dialog with TP-Link was end of March. My Internet connection was really bad, and I wanted to leave it that way till they fixed the fail-over problem. At that time the 151117 release appeared...

I think you would have to open a ticket with TP-Link Support. Tell them the issue and ask for beta firmware 151117. They emailed it to me.

I finally got a response from TP-Link support with a beta version 151117 that fixed the issue. It is very good at switching off WAN and then returning to WAN when a ping is successful. Never saw the...

I just purchased an MR3420. I have updated firmware to the latest. ( 3.16.9 Build 150319 Rel.60489n) I have a WAN that is extended over several hops and experiences random hits of a minute or so in...