Can't get mqtt ping requests below every 60 secondes

NETWORKING SOLUTIONS
1

RUT241, i have enabled Data to Server, Modbus MQTT gateway, MQTT broker with a bridge (an ESP8266 connects to that bridge) and MQTT client.

I have set MQTT keepalive to 300s everywhere i can find (Modbus Mqtt gateway, MQTT broker, and in the EPS8266 firmware), still i am receiving a ping request every 60 seconds. What is the source of those ping requests and can i reduce them?

I can provide wireshark packet info if needed.

2

Solved, it’s the MQTT Publisher which pings every 60 seconds. I didn’t need the publisher because i use Modbus to MQTT gateway so i disabled the MQTT Publisher, data usage went down by 300KB per day, just by disabling the MQTT Puiblishetr which wasnt publishing anything, just pinging every 60 secondes.

3

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