Is anybody successfully using Verizon USB730L cellular modem connected to RT-N66U router USB port? I can achieve connection to the internet for short periods of time (several minutes) and then I need to re-boot router to re-establish connection. The USB modem works reliably if connected to computer USB port. Any feedback would be appreciated. I have tried the latest Asus firmware and currently I am using the Merlin 380.69 firmware.