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Comment by rjsw | Hacker News Reader

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I consider the time I spent implementing RFC 4638 to allow the PPPoE implementation I use to have a 1500 byte MTU to be a good investment.

I wish centurylink fiber supported baby jump frames. :/

Would make more sense for them to just do IP over fiber directly than fiddling with their PPPoE implementation.

I have centurylink DSL with PPPoE and the thing that really bugs me is if your modem lost the PPPoE password, it can login with default credentials and ask for the passsword. CenturyLink clearly knows who I am without needing PPPoE authentication, so what do they get out of it?

My local provider requires PPPoE over fiber but accepts any password. It’s probably some legacy artefact that’s too complicated to remove from the stack.

Dollars to doughnuts the PPPoE implementation is tied into a billing system.

It makes wholesaling your network easy since you can tunnel switch based on the user@domain used during authentication.

baby jumbo frames.

haha. yeah, not sure how jump slipped in there.

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