How to remove an ADSL configuration?

Thomas Dean tomdean001 at
Sun Feb 14 08:28:29 UTC 2010

For some reason, I used pppoeconf to establish an ADSL link to take
the place of eth0. But now, I'm going to delete the ADSL configuration
and use my eth0. .But I found that ifupdown in the Network Manager
couldn't be modified. After that I tried these:
1. Edit /etc/network/interfaces. I deleted all except lo.
2. Remove the directory /etc/ppp/
As a result, ifupdown was removed and eth0 came back, but eth0 became
I think the way above is wrong. So could you please tell me the right
way to delete the ADSL configuration?

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