On Thu, 2009-06-18 at 16:40 +0100, Rick Jones wrote: > I get persistent failure to connect with Mobile Broadband, and this > seems to be a PPP timeout. Usually after a few retries it will work, > and I suspect NM is timing out too soon, and not giving PPP time to > get connected. > .... > Where is this timeout set? Is it in pppd - if so is there a setting > in /etc/ppp/options to tweak it - or is it set by NM? I'd really llike > to be able to try increasing this.It's in NetworkManager itself, actually. I don't really have a problem with increasing that timeout to 20 seconds or so. But beyond that, I'd be *very* surprised if it would work reliably, since it would indicate problems on the provider's network or the card itself in setting up the GPRS data session.
Since I posted this (couple of weeks back) I've looked at logs more closely, and I don't think timeout is the issue. It looks like sometimes ppp just can't negotiate the link properly - maybe it's purely a pppd problem?
See my more recent post with log samples of 2G connections attached.For completeness, I've attached the successful ppp negotiation for the 3G case, which I couldn't get before.
Regards, Rick
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