I am trying to connect an old 486 to my slightly more modern computer
using ppp over a null modem cable, but no matter what I try, I get the
same result (see below). I'm guessing this may be caused by incorrect
configuration of one (or more :-) serial ports. At least I'm sure I'm
using the right ports, since doing 'cat /dev/ttyS3' on the server
while the client is trying to connect gives a few bytes of garbage on
stdout.
Does anyone have a clue what could be wrong, or how I could
troubleshoot this?
On the server (PII running stable with kernel 2.4.18)
----------------------------------------------------------------------
/etc/ppp/options:
lock
noauth
/etc/ppp/options.ttyS3
asyncmap 0
crtscts
local
silent
192.168.2.1:192.168.2.2
9600
I run these as root:
# setserial -G /dev/ttyS3
/dev/ttyS3 uart 16550A port 0x02e8 irq 3 baud_base 115200 spd_normal
# pppd /dev/ttyS3 nodetach
Using interface ppp0
Connect: ppp0 <--> /dev/ttyS3
[Nothing more happens, the process just waits.]
On the client (486 running stable with kernel 2.2.20)
----------------------------------------------------------------------
/etc/ppp/options:
lock
/etc/ppp/options.ttyS0:
9600
crtscts
local
noauth
I run these as root:
# setserial -G /dev/ttyS0
/dev/ttyS0 uart 16450 port 0x03f8 irq 4 baud_base 115200 spd_normal skip_test
# pppd /dev/ttyS0 nodetach
Using interface ppp0
Connect: ppp0 <--> /dev/ttyS0
[There is a delay of a minute or so.]
LCP: timeout sending Configure-Requests
Connection terminated.
[At this point I get the prompt back.]
--
Karl Hasselström, kha@treskal.com
www.treskal.com/kalle
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