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How to get public IP to Ubuntu 20.04?


I am trying to get a public IP with a direct Ethernet cable from modem to the system (no router in between) and it's failing to create pppoe interface. I have given right credentials that my ISP provided in /etc/ppp/chap-secrets and following right steps to setup DSL.
I am receiving this chap-secrets authentication error in ppp logs and not able to get the public IP.

I followed these steps, but no luck.


  • ffox
    ffox Posts: 15
    edited August 2021

    Not all combinations of DSL-modem and ISP allow such type of login necessarily.


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