From: Ronnie Angello (ronnie.angello@gmail.com)
Date: Thu Jan 11 2007 - 20:13:19 ART
Take a look at the Etherchannel Guard STP feature.
http://www.cisco.com/univercd/cc/td/doc/product/metro/me2400/12225ex/2400scg/swstpopt.htm#wp1113708
On 1/11/07, fferrer10@vodafone.es <fferrer10@vodafone.es> wrote:
>
> Hi guys:
>
> We have a server farm with a lot of blade servers connected to several
> Catalyst 6500 switches through the respective blade-switches, and using
> channeling to give extra-bandwidth to the server connections.
>
> Yerterday, a misconfiguration on a newly added fiber channel was traduced
> on "merging" 2 vlans in a layer 3 loop, making the 6500 giga interfaces
> going to very high level utilization and causing a general "outage" of 15
> minutes on all the server environment, not only on the equipment of the 2
> vlans affected by the misconfig.
>
> Anyone knows effective solutions to minimize the impact of these
> misconfigs errors on critical environments? We are rate-limiting the % of
> bandwith allowed for broadcasts & multicasts on the core & distribution
> links of the farm, but we don't know if there are more efficient solutions
> to these problems.
>
> Regards and TIA
>
> Juan
>
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