On Sun, Apr 23, 2000 at 06:04:49PM +0800, Lindsay Allen wrote: > On Sun, 23 Apr 2000 kmself@ix.netcom.com wrote:
BTW, no need to cc: me, filters send it all to the same folder anyway.
> > On Sun, Apr 23, 2000 at 11:51:35AM +0800, Lindsay Allen wrote:
> > >
> > > Greetings,
> > >
> > > I have been bothered for years with this problem and I still have no idea
> > > on where to look for the cause.
> > >
> > > About once a fortnight I get very slow ppp performance and when I check
> > > with ping I see the packets coming back in groups of ~8. Sometimes it
> > > fixes itself but usually I have to hangup and redial. Here is an example.
> > >
> > > mentor:# ping t99
[...]
> > > Can anyone throw any light on this weird behaviour, please?
[...]
> > I tend to leave my system online 24/7, and have noticed that after a
> > time -- usually one the order of a week or two -- network performance
> > degrades, though I hadn't thought to trace pings. What makes you say
> > that they're coming in sets of 8?
> >
> > My solution is also to kill the connection and redial.
>
> Yes, I do that too. But I want to know just what has gone wrong. I'm
> like that. <g>
>
> I leave my connections up 7/24 and it may perform just fine for maybe two
> weeks. But then I get the above problem. (Local calls here are untimed.)
If there's a way to detect when the link slips into this behavior, you
could time when it happens. This would help establish whether or not it
was some sort of clock or other counter rollover.
> Why do I think the packets come in sets of 8? Take a look at the output.
Doh! Ok, I believe you <g>.
> This has occured with different Deb boxes and different ISPs. Seems to me
> that it is either a ppp bug or a kernel bug but it has persisted over
> different versions of both.
Hmmm.... I'd think it would be worth raising this on a Linux networking
or kernel list.
--
Karsten M. Self <kmself@ix.netcom.com> http:/www.netcom.com/~kmself
What part of "Gestalt" don't you understand?
http://gestalt-system.sourceforge.net/
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