Re: strange PPP negotiation problem with GPRS mobile phone

[Stefan Bethke]

On Montag, 30. Juni 2003 23:36 Uhr +0200 Alessandro de Manzano 
<[EMAIL PROTECTED]> wrote:

Now PPP seems to negotiate some IP address, but after about a second it
still close the session...
Could someone, please, help me understanding what's wrong now according
to this log ? ;)

Jun 30 23:27:17 asusmobile ppp[275]: tun0: IPCP: deflink: 
SendConfigAck(33) state = Ack-Sent
Jun 30 23:27:17 asusmobile ppp[275]: tun0: IPCP:  IPADDR[6] 
192.168.100.101
Jun 30 23:27:17 asusmobile ppp[275]: tun0: IPCP:  COMPPROTO[6] 16 VJ 
slots with slot compression
Jun 30 23:27:19 asusmobile ppp[275]: tun0: LCP: deflink: 
RecvTerminateReq(34) state = Opened
Jun 30 23:27:19 asusmobile ppp[275]: tun0: LCP: deflink: LayerDown
Jun 30 23:27:19 asusmobile ppp[275]: tun0: LCP: deflink: 
SendTerminateAck(34) state = Opened
Jun 30 23:27:19 asusmobile ppp[275]: tun0: LCP: deflink: State change 
Opened --> Stopping
Jun 30 23:27:19 asusmobile ppp[275]: tun0: CCP: deflink: State change 
Req-Sent --> Starting
Jun 30 23:27:19 asusmobile ppp[275]: tun0: CCP: deflink: LayerFinish.
The peer is disconnecting.  This might be due to either the Van Jacobsen 
compression (option vjcomp), or the Link Quality Request Echo (option lqr) 
being active or inactive.

IIRC, for a GPRS connection, the phone acts as the PPP peer, and at least 
my Nokia 6310i does not like LQR Echo and VJ. With both of them enabled, 
the connection keeps going for a few seconds, and then gets dropped by the 
peer. With both of them disabled, it works fine for me on T-Mobile netowrks 
in Germany, Austria and the US.

HTH,
Stefan
--
Stefan Bethke, Phone +49 170 346 0140
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