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In Syslog (/var/log/messages
) some messages like the following can
be found (these are just examples) :
Dec 14 11:40:00 RMR kernel: PPP line discipline registered. Dec 14 11:40:00 RMR kernel: registered device ppp0 Dec 14 11:40:00 RMR pppd[617]: pppd 2.2.0 started by root, uid 0 Dec 14 11:40:01 RMR chat[620]: timeout set to 45 seconds Dec 14 11:40:01 RMR chat[620]: abort on (NO CARRIER) Dec 14 11:40:01 RMR chat[620]: abort on (BUSY) Dec 14 11:40:01 RMR chat[620]: abort on (NO DIALTONE) Dec 14 11:40:01 RMR chat[620]: abort on (ERROR) Dec 14 11:40:01 RMR chat[620]: send (+++ATZ^M) Dec 14 11:40:01 RMR chat[620]: expect (OK) Dec 14 11:40:02 RMR chat[620]: +++ATZ^M^M Dec 14 11:40:02 RMR chat[620]: OK -- got it Dec 14 11:40:02 RMR chat[620]: send (ATDT123456^M) Dec 14 11:40:02 RMR chat[620]: expect (CONNECT) Dec 14 11:40:02 RMR chat[620]: ^M Dec 14 11:40:47 RMR chat[620]: ^M Dec 14 11:40:47 RMR pppd[617]: Connect script failed Dec 14 11:40:47 RMR pppd[617]: Exit. Dec 14 11:40:47 RMR chat[620]: alarm Dec 14 11:40:47 RMR chat[620]: FailedEverything works fine until
+++ATZ
is reached.
Then a message send (AT.... )
and expect (CO..)
appears.
Instead of this only ^M
(carriage-return) is sent twice. No "beeping" of
the modem can be heart even though normally it should dial in that moment.
\d
in front of the second AT
.
... ABORT "NO CARRIER" ABORT BUSY ABORT "NO DIALTONE" ABORT ERROR "" +++ATZ OK \dATDT....Sometimes even the initialization command ATZ is sent too early. This can be cured by a
\d
right after +++
. Dialing is then possible without additional
delay, e.g.
"" +++\dATZ OK ATDT0191011Credits: Detlef Postler (Detlef.Postler@t-online.de)
ppp-up
delivered with the november 95 CD
comments with a #
are included by mistake.
This is not accepted by the chat
-program or it waits
until a #
-sign is sent by the modem which doen't happen
very often.
You will see something like this in /var/adm/sylog
:
Feb 13 22:25:07 paddys pppd[1967]: pppd 2.1.2 started by root, uid 0 Feb 13 22:25:07 paddys pppd[1968]: Connecting with </usr/sbin/chat -v -f /etc/ppp/ppp.chat> Feb 13 22:25:09 paddys chat[1969]: expect (#) Feb 13 22:26:54 paddys chat[1969]: alarm Feb 13 22:26:54 paddys chat[1969]: Failed Feb 13 22:26:54 paddys pppd[1968]: Exit.
The correct script:
TIMEOUT 5 ABORT "NO CARRIER" ABORT BUSY ABORT "NO DIALTONE" ABORT ERROR "" +++ATZ OK ATDTcistelefon CONNECT \r\n ame:--ame: CIS "" cislogin/GO:PPPCONNECT word: cispassword
See also:
Keywords: PPP, COMPUSERVE, CHAT, MODEM, CIS
Categories:
PPP
Feedback welcome: Send Mail to kfr@suse.de (Please give the following subject: SDB-kfr_10
)
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