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ppp trouble on clean potato install [-v]



Hi people,

I decided to repartition my drives and install potato from scratch using my hot-off-the-press CD set, but am now having problems negotiating a PPP connection with my ISP under the new configuration.

Issuing "pon", the modem dials out, I/O LEDs flash briefly, then nothing. Attempts to make an http connection fail with lynx giving the standard message: "Alert: unable to connect to remote host".

So I installed minicom and tried walking through a terminal connection. As expected, dial out and initial connection seem to proceed well. The remote system requests and accepts my user id and password and I am presented with the expected menu of remote-hosted services. I can log in to the UNIX server, access my home directory, run a pine session, etc.

The troubles surface when I choose the option to "start PPP". Everything seems OK at the other end - I get a message: "Entering PP session", then notification of my assigned assigned dynamic IP and MTU numbers, followed by an encouraging-looking stream of garbage... but after a short time the connection drops with a "NO CARRIER" signal.

Here are the settings from /etc/ppp/options [egrep -v '#|^ *$' /etc/ppp/options]:

 asyncmap 0
 auth
 crtscts
 lock
 hide-password
 modem
 proxyarp
 lcp-echo-interval 30
 lcp-echo-failure 4
 noipx


...and here is my /etc/ppp/peers/provider:

 # This optionfile was generated by pppconfig 2.0.5.
 #
 #
 hide-password
 noauth
 connect "/usr/sbin/chat -v -f /etc/chatscripts/provider"
 debug
 /dev/ttyS0
 115200
 defaultroute
 noipdefault
 user rossh
 remotename provider
 ipparam provider


Possibly it's some kind of authentication problem I don't understand. I don't know whether or not this is relevant, but if I try to manually start pppd during the interval before the line drops, then I get the following message:

 pppd: The remote system is required to authenticate itself
pppd: but I couldn't find any suitable secret (password) for it to use to do so.
 pppd: (None of the available passwords would let it use an IP address.)


Anyway, the connection drops whether I try to start pppd with no argument, or with "noauth" or with "call provider".

Sorry about the length but I have no idea what's wrong or where to look further to troubleshoot this. Under my old slink install it all just worked. Any thoughts or pointers anyone?

TIA

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