[nSLUG] Troubleshooting LCP & PAP on a Telus dialup NAS

Oliver Doepner odoepner at gmail.com
Fri Dec 12 19:07:31 AST 2014

Thanks for the detailed and informative answers about dial-up.


On Fri, Dec 12, 2014 at 3:27 PM, Mike Spencer <mspencer at tallships.ca> wrote:
> Frank Geitzler wrote:
> > I hope I haven't fouled things up too much by avoiding repeating
> > the entire long message....
> Not at all, Frank.
> OTOH. I'm going to quote your post extensively as it's an outstanding
> example of why I don't use Windoes at all.
> > You have assumed that your provider will continue to "support" Win-XP.
> > That might not be a valid assumption, where Microsoft has discontinued
> > support for that release.  I had made a similar assumption, with regard
> > to Symantic anti-virus.
> The situations are dissimilar: executable code versus datacom
> protocols.
> > I continue to use an old Microsoft database product, Visual Foxpro,
> > for which Microsoft dropped support a number of years ago.  My
> > development package was several releases out of date, but continued
> > to do what I needed on Win-XP, and the .exe files it created would
> > work on Win-7.  The development package itself, however, would not
> > work on Win--7, so I continued to use Win-XP.  When time came to
> > renew my anti-virus from Symantic, I attempted to do so -only to be
> > told that I did not have the most up-to-date Internet-Explorer
> > release,....
> We won't sell you a burger & fries because you're driving a 10 year-old
> car.
> > ...and couldn't download that anti-virus update (part of the update
> > Symantic process was to delete my old anti-virus package first
> > -which I did).  I couldn't get the current Internet-Explorer because
> > XP was no longer supported, and I wouldn't want to do a download and
> > installation of it without active anti-virus anyway -Catch-22!
> Which is one of the reasons I abandoned Windoes as soon as I had a
> Pentium CPU.  I've only hit that kind of problem twice with Linux, bit
> involving proprietary software (Netscape fails with recent lib update,
> Maple V requires libc5).
> > You may be correct in assuming that your provider will continue to
> > support XP, or you may have assurances from your provider that they
> > will continue to do so.  Even so, you might want to consider having
> > some other backup solution in place.
> Well, the backup solution for wonky broadband is in place already: two
> separate dialup providers and POTS.  In fact, the cost of going to
> Eastlink Rural Wireless would be *added* to our telecom expenses since
> we'd only feel secure if we kept both of our dialup services as well.
> Back to your original point: I doubt (but I'm ready to be corrected)
> that a datacom service is going to instruct TCP/IP, Ethernet, PPPoE or
> other such protocols to check the OS ID.  The present problem with
> LCP/PPP isn't that the server is seeing my Linux and refusing to talk
> to it.  It's that the server implements, as default behavior, the
> poorly- or un-specified part of the protocol in a way that is
> anticipated by Windoes -- the server code may have been written by M$
> coders -- but which isn't the *obvious* default behavior and which is
> opaque to scrutiny.
> Thanks for your concern,
> - Mike
> --
> Michael Spencer                  Nova Scotia, Canada       .~.
>                                                            /V\
> mspencer at tallships.ca                                     /( )\
> http://home.tallships.ca/mspencer/                        ^^-^^
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Oliver Doepner
Software Engineer
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