The router needs about 30s to change from online to offline detection and vise versa. If the Internet connection of a WAN port changes in a shorter time interval the router gets confused and persists...

ande wrote Ok I understand - I think that's a case for the German support: TP-LINK Deutschland GmbH E-Mail: [EMAIL="support.de@tp-link.com"]support.de@tp-link.com[/EMAIL] Robert-Bosch-Straße 9, 65719...

ande wrote Why? If everything works, one surefire sign is that the box will be able to resolve something via Google (other other) DNS-Server. Or did I get you wrong? Maybe the unstable UMTS is the...

Firmware Version: 1.1.0 Build 20150526 Rel.71817s Hardware Version: TL-R470T+ v4.0 These are my online detection settings for my UMTS-Router Port: WAN4 Detecting: Activate Mode: Manual Ping: 8.8.8.8...