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Date:      Wed, 27 Sep 2006 12:44:04 -0400
From:      Javier Henderson <javier@kjsl.com>
To:        Jeremy Chadwick <freebsd@jdc.parodius.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: 6.2 SHOWSTOPPER - em completely unusable on 6.2
Message-ID:  <6BFCD3E5-13D8-4712-B2F4-722522983010@kjsl.com>
In-Reply-To: <20060927155047.GA14563@icarus.home.lan>
References:  <451A1375.5080202@gneto.com> <20060927071538.GF22229@e-Gitt.NET> <451A4189.5020906@samsco.org> <20060927094509.GB75104@hugo10.ka.punkt.de> <451A71B6.6040201@crc.u-strasbg.fr> <20060927132555.GB83422@hugo10.ka.punkt.de> <7.0.1.0.0.20060927095043.17915d48@sentex.net> <20060927155047.GA14563@icarus.home.lan>

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On Sep 27, 2006, at 11:50 AM, Jeremy Chadwick wrote:

> On Wed, Sep 27, 2006 at 09:56:22AM -0400, Mike Tancsa wrote:
>> If it up / downs the interface, it can be painful depending on your
>> setup. In one of the colos I dont have control over, the switch port
>> will block for 15 seconds for Spanning Tree when the interface
>> transitions like that.   Even in cases where this does not happen, a
>> 1-2 second network outage can play havoc with some applications.
>
> Ouch!  This is one of many reasons people don't use STP.  (I did note
> the "colos I don't have control over" part -- frustrating eh?)

You could enable port fast and still have spanning tree in place.

What many reasons do you and others have to shun STP?

-jav





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