How to force to continue execution if the Internet is gone?

Question

Arduino

There is a sketch that reads data from a temperature sensor and transmits over Ethernet. It happens that the Internet disappears and the arduinka hangs up until the connection is restored, it does not continue to execute the code. Please tell me how to fix it. The data is sent on a timer.

Answer 1

Fix the sketch so that it does not hang when there is no Internet