ethernet, wifi: Make sure a DNS server is configured if another module requires one.

Tinkerforge / esp32-firmware

Firmwares for ESP32 Brick and ESP32 Ethernet Brick (including firmwares for WARP/WARP2 Charger, WARP Energy Manager)

https://www.tinkerforge.com/en/doc/Hardware/Bricks/ESP32_Ethernet_Brick.html

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ethernet, wifi: Make sure a DNS server is configured if another module requires one. #249

Open rtrbt opened 1 year ago

rtrbt commented 1 year ago

A common error is to set a static IP configuration without DNS servers. This break NTP because the default NTP servers are configured with their hostnames.