On 15/06/2017 21:20, Tom Eastep wrote:
> On 06/15/2017 07:10 AM, Philip Le Riche wrote:
> > We have Shorewall 4 protecting the school network from a group of
> > Raspberry Pis, which we operate from PCs on the school network
> > using VNC running through Shorewall. For some weeks we've had
> > frequent problems with VNC sessions hanging for around 30 seconds.
> > I've been trying to track it down with increasingly focussed
> > Wireshark captures, and this is what seems to be happening on one
> > fairly typical hang:
>
... snip...
>
> Are you monitoring ARP traffic between the Shorewall box and the
> School network?
>
> -Tom
ARP was about the first thing that I filtered out in my capture filter
as there was so much of it on the school network. Is this significant?
Regards - Philip
> >
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