Hi, Thank you for your answer, OK then I'll have to switch manually from one to another in case of failure on my VDSL WAN. Any idea about how to setup the first port as a WAN port ? Actually this...

Model : Hardware Version : Firmware Version : ISP : Hello, I'm using a TD-W9980 with VDSL and it's working fine, but I would like to add another WAN connection as backup coming in Ethernet from...