Jim Henderson wrote:

> Many, many times.  Had a network bridged loop problem a few years ago 
> caused (we think - never did find the root cause) by a failure in STP 
> between two redundant routers.  The vendor's solution was "unplug the 
> cable between the two routers for 20 seconds, wait for the software to re-
> route, and then plug it back in".
> 
> We "fixed" it the first day (we thought) and at 6 AM the next morning, it 
> happened again.
> 
> Just you try and do a sniffer trace of a billion packets and find the 
> cause.  <sigh>
> 
> That was one of the nastiest we had.  We ended up having to redesign the 
> system because the vendor couldn't figure it out.

Interesting. The network in our old building one day started being 
clogged with STP packets. I never did find out why. It just *stayed* 
clogged. At least, until we got our new building a few months ago.

Gee, 4 years. That's one hell of a long broadcast storm!

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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