Re: [lwip-users] PPP connect to T-Mobile GPRS (Hungary) problem

[applehuu]

-------- Original Message  --------
From: "Janusz U." <address@hidden>
To: "Mailing list for lwIP users" <address@hidden>
Subject: Re:[lwip-users] PPP connect to T-Mobile GPRS (Hungary) problem
Date: Wed Dec 20 2006 23:21:53 GMT+0800

> > I'm trying to connect to gprs using the CVS code PPP, and i've managed 
> > to get to the point IPCP starts to do something, but suddenly an LCP 
> > terminate arrives, and NO CARRIER. Bah :)
>
> > It's a hack of the unix port in the contrib to work on my linux with 
> > my irda Siemens S45 phone. I have a GPRS account at T-Mobile, that has 
> > no user/password (under windows it works with user/pass leaved blank). 
> > I'm in Hungary, Europe.
>
> hi,
> did you set GPRS context (APN) by eg:
> at+cgdcont=1,"IP","internet-apn","0.0.0.0",0,0
> atd*99***1#
>
> best regards
> Janusz U.
>
>
>
> _______________________________________________
> lwip-users mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/lwip-users
When CHAP is used,the program stop "<00000-00:00:23:300>IPCP: lowerup 
state 0 -> 1073744688 ".

<00000-00:00:23:250>fsm_input(LCP):2,1073744892,16216


<00000-00:00:23:250>fsm_rconfack(LCP): Rcvd id 1 state=1073744892


<00000-00:00:23:250>lcp_acki: Ack


<00000-00:00:23:250>lcp_up()

<00000-00:00:23:300>ppp_send_config[0]: outACCM=0 0 B638 0


<00000-00:00:23:300>ppp_recv_config[0]: inACCM=0 40000BC4 B734 0


<00000-00:00:23:300>link_established: 0


<00000-00:00:23:300>upap_lowerup: 0 s=0


<00000-00:00:23:300>IPCP: lowerup state 0 -> 1073744688


Use PAP,

<00000-00:00:43:450>lcp_reqci: Nak AUTHTYPE CHAP not allowed

Send some data to Modem:7E FF 7D 23 C0 21 7D 23 7D 23 7D 20 7D 28 7D 23 
7D 24 C0 23 99 7F 7E

Receive some data from Modem:
7E FF 7D 23 C0 21 7D 21 7D 23 7D 20 7D 3D 7D 21 7D 24 7D 25 EA 7D 22 7D 
26 7D 20 7D 20 7D 20 7D 20 7D 23 7D 25 C2 23 7D 25 7D 25 7D 26 57 7D 31 
98 6C 7D 27 7D 22 7D 28 7D 22 70 7D 5D 7E

To repeate  receive

Receive some data from Modem:
7E FF 7D 23 C0 21 7D 21 7D 23 7D 20 7D 3D 7D 21 7D 24 7D 25 EA 7D 22 7D 
26 7D 20 7D 20 7D 20 7D 20 7D 23 7D 25 C2 23 7D 25 7D 25 7D 26 57 7D 31 
98 6C 7D 27 7D 22 7D 28 7D 22 70 7D 5D 7E

C2 23 is CHAP,modem needs CHAP.



The frame has some problem,It may be start with "7E" and  end with "7E" .
But my result is :

<00000-00:00:37:350> Receive some data from Modem:
7E 7E FF 7D 23 C0 21 7D 21 7D 23 7D 20 7D 3D 7D 21 7D 24 7D 25 EA 7D 22 
7D 26 7D 20 7D 20 7D 20 7D 20 7D 23 7D 25 C2 23 7D 25 7D 25 7D 26 57

<00000-00:00:43:400> Receive some data from Modem:
7D 31 98 6C 7D 27 7D 22 7D 28 7D 22 70 7D 5D 7E 7E FF 7D 23 C0 21 7D 21 
7D 24 7D 20 7D 3D 7D 21 7D 24 7D 25 EA 7D 22 7D 26 7D 20 7D 20 7D 20