Re: Strange networking behavior
Karl E. Jorgensen <karl@jorgensen.org.uk> wrote:
> On Mon, Feb 03, 2014 at 09:56:24AM +0100, Florian Götz wrote:
>> It takes about an hour before the hosts get back to state "pingable"
>> on the Debian machine.
> a whole hour!? That is way too long for spanning tree to settle down.
> So spanning tree/routing can probably be eliminated as suspects.
I have personally seen a quite big STP setup take about 45 minutes to
become stable again, after a remote link had been shutdown.
This happend because the storm of BPDU packages overloaded the
root-bridge causing a re-election of a new root-bridge which triggered
another BPDU storm, overloading the new root-bridge, causing a
re-election of a new-new root-bridge which triggered ...
Reducing this ridiculously large network into more sensible chunks fixed
this problem once and for all.
Grüße,
Sven.
--
Sigmentation fault. Core dumped.
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