RAK7268V2 i dont recive topics

i have a RAK7268V2 whit WisGateOS_2.1.2_RAK OS.
it work in ``Built-in network server´´
I am trying to get this GW to send the data through the network to my own server where I have an MQTT Broker but no topic arrives. Port 1883 is enabled in the FW but even so, I do not receive anything.
I’m going crazy.
Could you help me?
I attach 3 photos where the configuration I have is shown