From owner-freebsd-stable@FreeBSD.ORG  Mon Jul 10 04:12:08 2006
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From: Mike Tancsa <mike@sentex.net>
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Cc: Pyun YongHyeon <pyunyh@gmail.com>, freebsd-stable@freebsd.org,
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Subject: Re: em device hangs on ifconfig alias ...
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At 12:06 AM 10/07/2006, User Freebsd wrote:

>Not sure what STP is


Spanning Tree Protocol.  Having the link go up and down would cause 
the switch port to block traffic for a period of time.

         ---Mike