JAndrassy
commented
3 weeks ago connecting with IP address works after WiFi is turned back on?
Open demirschmid61 opened 3 weeks ago
JAndrassy
commented
3 weeks ago connecting with IP address works after WiFi is turned back on?
demirschmid61
commented
3 weeks ago @JAndrassy Perfect, sir. If I use the IP address instead of the domain, it connects perfectly when the Wi-Fi is turned back on.
demirschmid61
commented
3 weeks ago @JAndrassy One more observation, whenever code try to get IP address of the domain
[130777][E][NetworkManager.cpp:131] hostByName(): DNS Failed for 'ocpp.chqtest.net' with error '-54'
Other loop execution is also stop for a while.
me-no-dev
commented
2 weeks ago Please update your core to 3.0.4. There were some fixes for DNS in environments with IPv6 around
demirschmid61
commented
2 weeks ago @me-no-dev Thank you very much sir for your replay,
I'll just update the core to 3.0.4 and let you know the observations.
Board
ESP32 Dev Board
Device Description
Dev Board
Hardware Configuration
No
Version
v3.0.2
IDE Name
PlatformIO
Operating System
Windows10
Flash frequency
40Mhz
PSRAM enabled
yes
Upload speed
115200
Description
Hello sir,
I have migrated and using Arduino-esp32 version 3.0.2 on platformio and facing the issue of DNS Failed from NetworkManager.cpp.
When I connect to Wi-Fi for the first time, it gets connected by fetching the proper IP address of the particular domain. When the Wi-Fi is turned OFF and ON again, the NetworkManager.cpp library does not fetch the IP address of the domain provided; it shows DNS failed.
The logs are shown below.
/****When WiFi Connected first-time / 14:01:39.549 > [MO] info (main.cpp:1055): WiFi Connected 14:01:41.546 > [MO] info (main.cpp:4554): [ 6246][E][NetworkManager.cpp:83] hostByName(): Clearing DNS cache 14:01:41.878 > [ 6578][E][NetworkManager.cpp:123] hostByName(): DNS found IPv4 13.210.161.8
****Now wifi is turned OFF and ON again ** 14:03:41.301 > WiFi connected (wifi connected here) 14:03:46.079 > [130777][E][NetworkManager.cpp:131] hostByName(): DNS Failed for 'ocpp.chqtest.net' with error '-54' 14:03:46.089 > [130787][E][NetworkClient.cpp:242] connect(): connect on fd 48, errno: 118, "Host is unreachable" 14:03:51.099 > [135799][E][NetworkManager.cpp:131] hostByName(): DNS Failed for 'ocpp.chqtest.net' with error '-54' 14:03:51.113 > [135808][E][NetworkClient.cpp:242] connect(): connect on fd 48, errno: 118, "Host is unreachable" 14:03:56.121 > [140820][E][NetworkManager.cpp:83] hostByName(): Clearing DNS cache 14:04:03.127 > [147826][E][NetworkManager.cpp:131] hostByName(): DNS Failed for 'ocpp.chqtest.net' with error '-54' 14:04:20.153 > [164852][E][NetworkManager.cpp:131] hostByName(): DNS Failed for 'ocpp.chqtest.net' with error '-54'
Could you please check and let me know where I should check the problem or should I upgrade the Arduinoesp32 library version version?
Sketch
Debug Message
Other Steps to Reproduce
No response
I have checked existing issues, online documentation and the Troubleshooting Guide