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Re: [lwip-users] PPP no IP address assigned

From: Sylvain Rochet
Subject: Re: [lwip-users] PPP no IP address assigned
Date: Wed, 1 Apr 2015 21:56:37 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Hello Michael,

On Wed, Apr 01, 2015 at 05:27:41PM +0200, Michael Waeber wrote:
> On 01.04.2015 14:02, Sylvain Rochet wrote:
> > 
> > Looks like your lwIP timeouts are not working or you don't have enough
> > of them, PPP needs a lot of timeouts, could you check that first ?
> What do you exactly mean with "timeouts"? We have set NO_SYS=1, so 
> there is no such thing as OS timeout. Is the PPP part not driven by 
> the TCP main task tcp_tmr()? Do i have to call another function for 
> PPP if NO_SYS=1?

You don't have to, tcp_tmr() should do the job.

> I've increased MEMP_NUM_SYS_TIMEOUT from 10 to 50, but receive no
> callback either.

It really should retry a few seconds later, could you dig what is 
happening in IPCP (ipcp.c/fsm.c) ?

What do you have for FSM_DEFTIMEOUT in lwipopts.h/opt.h ?


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