@Corbryant Hi... finally, here I'm operating as desired. I posted five days ago, and the USB Modem Link keeps consuming few megabits a day (17.6 Megabits during 5 days, see pic), while main WAN link...

@Corbryant I had the same issue with my new ER605 v2, the fail over link backup configuration was using too much data from 3G USB modem. I did a firmware update, and tested some configuration and I...