Broadcast-Storm
Donald Pearson
donaldwhpearson at gmail.com
Tue Mar 16 19:30:41 CET 2010
Let me be the first to encourage you.
filtering would be an outstanding feature.
On 3/16/10, Markus Dangl <sky at q1cc.net> wrote:
> Hi,
>
> I've got a small tinc network (switched) set up and it usually works
> fine. But sometimes i get echos from my own broadcasts and sometimes
> this even leads to a broadcast storm (two nodes forwarding the
> broadcasts in circle, thus flooding the whole network with copies of the
> same packet).
>
> I'm currently unsure on how to debug this using tinc. So my questions are:
> - How does tinc handle broadcasts when in switching mode? Does tinc
> understand STP? (I usually enable STP on all my linux bridges).
> - Not all of the clients update their tinc clients regularly, so i
> might have several tinc versions from 1.0.9 to 1.0.12 in my net. Could
> it be that incompatibilities between these versions are responsible for
> this?
>
> B.t.w.:
>
> Sadly not all of the installations are maintained by people that
> actually know a lot about network stuff. Also, a lot of the nodes run on
> Windows :/ so i don't have a portable way to use packet filtering on all
> nodes.
>
> A nice-to-have feature for tinc would be to have some filtering options,
> maybe even a real packet filter (like those *-tables tools on linux). I
> see that that's not really tincs job, but there currently is no portable
> way of packet filtering, but tinc could do it :)
> If there are more people that could make good use of such a feature i
> might just start experimenting a little with the tinc sources.
>
> With kind regards,
> Markus Dangl
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>
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