dtls problem on ubuntu22.04

[viclintw]

Hi, I am newer on webrtc.

This code looks good for learning Webrtc.

I run video_on_demand and face a strange issue.

There is no dtls packets from Server on ubuntu 22.04.

Can you help me clarify this issue?

Thanks

The debug information as below:

[viclintw]

It looks like some network setting issus, I close this ticket