Hi, RUTX09, last firmware, ISP is TMobile Czech Rep.. I have one issue - interface with SIM card with 4G has random disconnect and reconnect to ISP. Uptime on interface is reset and counting from 0 again and internet access is interrupt. I spoke with ISP and they said that client was disconnect and connect again, so the issue is on Teltonika.
Iam using passthrought mode. I tried to use bridge but still same.
Any other idea?