I have tested it for 13 to 30 seconds, and the same problem will occur. The purpose of using 2 seconds is to speed up the frequency of occurrence and to clarify the cause of the occurrence

Hi everyone My mqtt-client will always issue a ping request but fail to receive a ping response, resulting in repeated disconnection of the device. Is there any solution to this problem? The information captured by ESP-IDF is as follows: D (106239) transport_base: poll_read: select - Timeout before ...