On Tue, 05 Aug 2008 18:20:30 +0100, Orchid XP v8 wrote:

> 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!

That it is....

Jim

Post a reply to this message