Connection IoT device TCP Out-Of-Order

[donkey]

The following issue was identified, in use TFA Temperature transmitter in the local network, this sensor gateway continuously sends data to a server, the connection is regularly interrupted after 10 minutes the OPNsense is bootet. It was recognized that the connection still remains with a Fritzbox and a FortiGate, the same behavior was found in two different places, with OPNsense and also with a Fritzbox.

The OPNsense 20.7.7 is running on a pc engines APU2, the temperature Transmitter is TFA WEATHERHUB 31.4001.

Attached the capture of the point at which the connection was interrupted.