After starting the device (telnet) dump, loopback interface:
Trying 10.1.1.1, 2003 … Open
AT!UDINFO?
VID: 0x1199
APP PID: 0x68C0
BOOT PID: 0x68C0
Interface: QMI
Manufacturer: Sierra Wireless, Incorporated
Product: MC7304
… after some time of operation (e.g. 5 min, 1 h, 5 h):
Trying 10.1.1.1, 2003 … Open
CELLWANFAIL
What does error CELLWANFAIL mean, because I’ve never encountered it. Is this SW modem error or host device error string (Cisco router)? I have several devices, the same firmware and configuration. Only this device has a problem. The modem cannot be restarted (reset, power reset, …). It freezes. AT commands cannot be issued. After restarting the device (router), it starts working properly again until the connection is broken, an SMS is received, or the range is lost for a moment after I remove the antenna :).
Firmware:
1102029_9903299_MC7304_05.05.58.00_00_Cisco_005.014_000
9999999_9902674_SWI9X15C_05.05.58.00_00_GENEU-4G_005.026_000
Please indicate the error on the Sierra Wireless modem side. From the router side, I can handle debug on the router side myself.