How to know whether option is CHAP Challenge to pppoe provider?

I have arch linux and I would like to know whether option is CHAP Challenge from the provider which I use. How to do it from the command line?
April 3rd 20 at 18:35
1 answer
April 3rd 20 at 18:37
If You have a program to login to the pppoe session (and one must be - otherwise, no way to use the services of a provider), it is necessary to run this program, putting it to "use only CHAP Challenge".

And you can call the support provider.

Find more questions by tags LinuxComputer networks