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Article #816

Can't ppp w/ courier, can chat, can ppp w/ slow modem

#816
From: Myles Conley
Date: Sat, 21 Jan 1995 23:17
37 lines
2149 bytes
Hi All, 

As the title says, I'm having a lot of problems with my new
v.everythng modem. I'm using linux 1.75, and the newest versions
of ppp and diald. the serial port is a 16550A and the cable is
hardware handshaking. I'm dialing my internet provider, connecting
with a dynamic IP address. All connections are V.34 or v.32, no HST.

This works:
ppp @ 38400 with a linelink 14400 modem
I can connect everytime with ppp &/or diald.

But, 
When I use the same port, chat script and cable with the
Courier, while dialing the same number, chat doesn't work.
That turned out to be a port speed/connection speed problem
that went away when I used setserial to set the port at 155200
and put atz&w (resets dte speed) as the first item in the
chat script. 

Now it will go through the chat proccess every time, connects,
sends my name and password, sends
using interface ppp0
connect ppp0 <--> /dev/cua3

and stops every time. When I slow the port back down to 38400
and use the linelink modem the chat script works and it it actually 
sends the ip addresses and makes the connection after the connect ppp0
message. 

I've tried disabling compression on the courier, but that didn't
make any difference. I can make v.34 ppp connections with the same
modem and MacPPP. _ANY_ suggestions on where I'm going wrong would be helpful. 

thanks,
myles
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From: renmin@halcyon.halcyon.com (Myles Conley)
Newsgroups: comp.os.linux.networking,halcyon.slip
Subject: Can't ppp w/ courier, can chat, can ppp w/ slow modem
Date: 21 Jan 1995 23:17:13 GMT
Organization: NW NEXUS, Inc. -- Internet Made Easy (206) 455-3505
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