Cata,
The latest PPP-HOWTO available at
http://www.calderasystems.com/LDP/HOWTO/PPP-HOWTO.html describes this
problem in point 18.3. I had a similar problem and the solution suggested
worked for me.
Regards
Gary
At 09:11 PM 12/26/98 +0200, Catalin Bucur wrote:
>Hi,
>
>I have a 14.4Kb modem (no name) on /dev/ttyS3. I'm using RedHat5.1 with
>2.0.36 kernel and ppp-2.3.3 daemon.
>I run following script to connect with my ISP:
>pppd connect 'chat -v "" ATDP471100 CONNECT "" ogin: myuser word:
>mypassword' \
> /dev/cua3 38400 debug crtscts modem defaultroute kdebug 25
>
>In /var/log/messages appear:
>Dec 26 18:36:16 localhost pppd[825]: pppd 2.3.3 started by root, uid 0
>Dec 26 18:36:17 localhost chat[826]: send (ATDP471100^M)
>Dec 26 18:36:18 localhost chat[826]: expect (CONNECT)
>Dec 26 18:36:18 localhost chat[826]: K^M
>Dec 26 18:36:42 localhost kernel: PPP: ppp line discipline successfully
>unregistered
>Dec 26 18:37:01 localhost chat[826]: ATDP471100^M^M
>Dec 26 18:37:01 localhost chat[826]: CONNECT
>Dec 26 18:37:01 localhost chat[826]: -- got it
>Dec 26 18:37:01 localhost chat[826]: send (^M)
>Dec 26 18:37:01 localhost chat[826]: expect (ogin:)
>Dec 26 18:37:01 localhost chat[826]: 14400/REL-LAPM V.42 BIS^M
>Dec 26 18:37:02 localhost chat[826]: ^M
>Dec 26 18:37:02 localhost chat[826]: ^MWelcome to Linux 2.0.36.
>Dec 26 18:37:02 localhost chat[826]: ^M
>Dec 26 18:37:02 localhost chat[826]: ^M^M
>Dec 26 18:37:02 localhost chat[826]: main!login:
>Dec 26 18:37:02 localhost chat[826]: -- got it
>Dec 26 18:37:02 localhost chat[826]: send (myuser^M)
>Dec 26 18:37:02 localhost chat[826]: expect (word:)
>Dec 26 18:37:02 localhost chat[826]: myuser^M
>Dec 26 18:37:02 localhost chat[826]: Password:
>Dec 26 18:37:02 localhost chat[826]: -- got it
>Dec 26 18:37:02 localhost chat[826]: send (mypassword^M)
>Dec 26 18:37:02 localhost pppd[825]: Serial connection established.
>Dec 26 18:37:03 localhost kernel: PPP: version 2.2.0 (dynamic channel
>allocation)
>Dec 26 18:37:03 localhost kernel: PPP Dynamic channel allocation code
>copyright 1995 Caldera, Inc.
>Dec 26 18:37:03 localhost kernel: PPP line discipline registered.
>Dec 26 18:37:03 localhost kernel: registered device ppp0
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set flags to 190000
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set flags to 190000
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set xasyncmap
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set xmit asyncmap ffffffff
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set flags to 190000
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set mru to 5dc
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set rcv asyncmap ffffffff
>Dec 26 18:37:03 localhost kernel: ppp_tty_ioctl: set flags to 190000
>Dec 26 18:37:03 localhost pppd[825]: Using interface ppp0
>Dec 26 18:37:03 localhost pppd[825]: Connect: ppp0 <--> /dev/cua3
>Dec 26 18:37:04 localhost kernel: ppp: frame with bad fcs, excess = 83f0
>Dec 26 18:37:07 localhost kernel: ppp: frame with bad fcs, excess = 6067
>Dec 26 18:37:07 localhost kernel: ppp: frame with bad fcs, excess = fbed
>Dec 26 18:37:10 localhost kernel: ppp: frame with bad fcs, excess = 6067
>Dec 26 18:37:10 localhost kernel: ppp: frame with bad fcs, excess = 7480
>Dec 26 18:37:13 localhost kernel: ppp: frame with bad fcs, excess = 83f0
>Dec 26 18:37:16 localhost kernel: ppp: frame with bad fcs, excess = 25ba
>Dec 26 18:37:19 localhost kernel: ppp: frame with bad fcs, excess = 5dce
>Dec 26 18:37:19 localhost kernel: ppp: frame with bad fcs, excess = eeb1
>Dec 26 18:37:22 localhost kernel: ppp: frame with bad fcs, excess = 5dce
>Dec 26 18:37:22 localhost kernel: ppp: frame with bad fcs, excess = a18
>Dec 26 18:37:25 localhost kernel: ppp: frame with bad fcs, excess = 5dce
>Dec 26 18:37:25 localhost kernel: ppp: frame with bad fcs, excess = 5cfa
>Dec 26 18:37:28 localhost kernel: ppp: frame with bad fcs, excess = 4046
>Dec 26 18:37:31 localhost kernel: ppp: frame with bad fcs, excess = 7821
>Dec 26 18:37:34 localhost kernel: ppp: channel ppp0 closing.
>Dec 26 18:37:34 localhost pppd[825]: LCP: timeout sending Config-Requests
>Dec 26 18:37:34 localhost pppd[825]: Connection terminated.
>Dec 26 18:37:34 localhost pppd[825]: Receive serial link is not 8-bit clean:
>Dec 26 18:37:34 localhost pppd[825]: Problem: all had bit 7 set to 0
>Dec 26 18:37:34 localhost pppd[825]: Hangup (SIGHUP)
>Dec 26 18:37:34 localhost pppd[825]: Exit.
>
>In Readme-Linux (<If it doesn't work> section), from PPP documentation
>directory, write: "During the initial connection sequence, you may see one
>or more messages which indicate "bad fcs". This refers to a checksum error
>in a received PPP frame, and usually occurs at the start of a session when
>the peer system is sending some "text" messages, such as "hello this is the
>XYZ company". Messages of "bad fcs" once the link is established and the
>routes have been added are not normal and indicate transmission errors or
>noise on the telephone line."
>
>But the problem isn't noises or transmission errors because the modem and
>PPP connection works fine in Windows98.
>
>P.S. I can make a shell connection with my ISP using minicom.
>Please take a look at log file from attachment (how works transmission bit
>by bit).
>
>Thanks,
>Cata.
>--------------------------------------------
>Happy holidays everyone !!!
>--------------------------------------------
>
>Attachment Converted: "C:\download\Ppplog.tgz"
>
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