Hi Jim,
Thanks for the reply. I've discovered the problem was the ISP
prompting for a username. The username login prompt echoes back all
characters including the PPP packets transmitted by the board.
To correct the problem I adjusted the chat script to include the
username and password.
I have two additional questions for everyone:
1. Is there a why to make the insmod of shlcslhc.o, ppp_generic.o
and ppp_async.o permanent.
2. Is there a why of removing the default route from the routing
table at startup. Because there is already a default route present
(eth0), the defaultroute option in pppd cannot take effect.
Thanks,
Lee
>
>
>
> I usually use the "receive-all"
>
> Why aren't using rts/cts for flow control?
>
> Also after the first few sends, I notice that every rcvd matches
the
> previous sent - have you configured your modem to turn echo off?
It looks
> like its on.
>
> In fact how have you got your modem configured?
>
> On Wed, 19 Oct 2005, ld_ts7200 wrote:
>
> > In addition, here is a trace from the attempted PPP connect
> >
> >
> > pppd options in effect:
> > debug debug # (from command line)
> > nodetach # (from command line)
> > dump # (from command line)
> > /dev/ttyAM0 # (from command line)
> > 9600 # (from command line)
> > lock # (from command line)
> > connect /usr/sbin/chat -v -f /etc/ppp/chat.script #
> > (from command
> > line)
> > nocrtscts # (from command line)
> > defaultroute # (from command line)
> > Serial connection established.
> > using channel 9
> > Using interface ppp0
> > Connect: ppp0 <--> /dev/ttyAM0
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x5761b2f6>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x1 <magic 0x922052e6>]
> > rcvd [LCP ConfNak id=0x1 <magic 0x922052e6>]
> > sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0x19a6481f>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0x19a6481f>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x2 <magic 0xf40ffb5a>]
> > rcvd [LCP ConfNak id=0x2 <magic 0xf40ffb5a>]
> > sent [LCP ConfReq id=0x3 <asyncmap 0x0> <magic 0x45dca5aa>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x3 <asyncmap 0x0> <magic 0x45dca5aa>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x3 <magic 0xa167e1b4>]
> > rcvd [LCP ConfNak id=0x3 <magic 0xa167e1b4>]
> > sent [LCP ConfReq id=0x4 <asyncmap 0x0> <magic 0xaa90632a>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x4 <asyncmap 0x0> <magic 0xaa90632a>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x4 <magic 0x37fac1be>]
> > rcvd [LCP ConfNak id=0x4 <magic 0x37fac1be>]
> > sent [LCP ConfReq id=0x5 <asyncmap 0x0> <magic 0x259d467d>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x5 <asyncmap 0x0> <magic 0x259d467d>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x5 <magic 0x2ea9bc81>]
> > rcvd [LCP ConfNak id=0x5 <magic 0x2ea9bc81>]
> > sent [LCP ConfReq id=0x6 <asyncmap 0x0> <magic 0x6b02aa14>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x6 <asyncmap 0x0> <magic 0x6b02aa14>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x6 <magic 0xb88557f0>]
> > rcvd [LCP ConfNak id=0x6 <magic 0xb88557f0>]
> > sent [LCP ConfReq id=0x7 <asyncmap 0x0> <magic 0x50b2fe1d>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x7 <asyncmap 0x0> <magic 0x50b2fe1d>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x7 <magic 0xa43f49d5>]
> > rcvd [LCP ConfNak id=0x7 <magic 0xa43f49d5>]
> > sent [LCP ConfReq id=0x8 <asyncmap 0x0> <magic 0x6a376d39>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x8 <asyncmap 0x0> <magic 0x6a376d39>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x8 <magic 0x588fad70>]
> > rcvd [LCP ConfNak id=0x8 <magic 0x588fad70>]
> > sent [LCP ConfReq id=0x9 <asyncmap 0x0> <magic 0xf619c1b7>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0x9 <asyncmap 0x0> <magic 0xf619c1b7>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0x9 <magic 0x1d7c62a2>]
> > rcvd [LCP ConfNak id=0x9 <magic 0x1d7c62a2>]
> > sent [LCP ConfReq id=0xa <asyncmap 0x0> <magic 0x55837667>
<pcomp>
> > <accomp>]
> > rcvd [LCP ConfReq id=0xa <asyncmap 0x0> <magic 0x55837667>
<pcomp>
> > <accomp>]
> > sent [LCP ConfNak id=0xa <magic 0xd9e2a69d>]
> > rcvd [LCP ConfNak id=0xa <magic 0xd9e2a69d>]
> > Serial line is looped back.
> > sent [LCP TermReq id=0xb "Loopback detected"]
> > rcvd [LCP TermReq id=0xb "Loopback detected"]
> > sent [LCP TermAck id=0xb]
> >
> >
> > >
> > > Hi,
> > >
> > > I'm stuggling to get a PPP connection from the board to the
ISP.
> > >
> > > I've disabled the console on ttyAM0 in Redboot (JP2&4) and
TSlinux
> > > (inittab). I've connected a USRobotics modem to ttyAM0 and a
terminal
> > > to ttyAM1.
> > >
> > > I've inserted the required modules using the following
commands:
> > >
> > > insmod slhc.o
> > > insmod ppp_generic.o
> > > insmod ppp_async.o
> > >
> > >
> > > Using the following chat script:
> > >
> > > ABORT "NO CARRIER"
> > > ABORT "NO DIALTONE"
> > > ABORT "NO ANSWER"
> > > ABORT "BUSY"
> > > ABORT "ERROR"
> > > TIMEOUT 10
> > > " " ATZ
> > > OK "AT"
> > > OK "ATD08453011535"
> > > CONNECT `'
> > >
> > > With the following command:
> > >
> > > pppd /dev/ttyAM0 9600 kdebug 1 debug lock
> > > nocrtscts
> > > defaultroute
> > > connect "/usr/sbin/chat -v -f /etc/ppp/chat.script"
> > >
> > > forces the modem to dial the ISP (great). Unfortunately, using
a
> > > sniffer tool it appears PPP never passes the LCP stage. All I
can see
> > > is duplicated LCP requests from the Linux box and the remote
end
> > > NAKing the magic number (acceptable).
> > >
> > > Anybody passed this stage???
> > >
> > > Regards,
> > >
> > > Lee
> > >
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