On Wednesday 18 June 2003 21:17, Giannis Stoilis wrote:
> Stef Coene wrote:
> > On Wednesday 18 June 2003 20:53, Giannis Stoilis wrote:
> >>Never mind that. The most important issue here is that when you delete
> >>your queues, any packet that happens to pass through them at that time,
> >>are LOST!
> >
> > Are you sure? I never tested it.
>
> This is how I know it:
> I constantly ping my linux server from another pc. At some poing I
> delete and recreate my queues. From the pc that pings my linux server, I
> can see the replies coming, and at the point of the restart I have
> missed pinging replies and at the point after the qdisc creation, I can
> see the icmp replies coming back again.
> Either every packet is lost at qdisc removal, or something else, same as
> nasty, is happening...
> You should try it and see...
> Also, if you have monitor_tc running at that time, you can see it dump
> some nice negative values...
:)
That's because the counters are resetten so the values are negative at that
time. But that will not say are packets are gone. However, your ping test
proves it.
Stef
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