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Date:      Fri, 14 May 1999 21:54:02 -0500 (CDT)
From:      David Scheidt <dscheidt@enteract.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Dan Nelson <dnelson@emsphone.com>, "Mark J. Taylor" <mtaylor@cybernet.com>, Daniel Eischen <eischen@vigrid.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: ifconfig: changing mac address
Message-ID:  <Pine.NEB.3.96.990514215106.75328A-100000@shell-1.enteract.com>
In-Reply-To: <19990515121747.N89091@freebie.lemis.com>

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On Sat, 15 May 1999, Greg Lehey wrote:

:
:If you have two different nets, why do you need the same Ethernet
:address?
:

Transparent redundancy.  With them both up on the same MAC address, if one 
fails, you have no loss of connection, though you may drop some packets, of 
course.  Most of the time you get twice the bandwidth.

David, who doesn't want to think about writing a driver for this.




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