Date: Fri, 14 May 1999 20:08:21 +0200 (CEST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: eischen@vigrid.com (Daniel Eischen) Cc: Steve.Gailey@db.com, nate@mt.sri.com, freebsd-hackers@freebsd.org Subject: Re: ifconfig: changing mac address Message-ID: <199905141808.UAA05979@yedi.iaf.nl> In-Reply-To: <199905141918.PAA01313@pcnet1.pcnet.com> from Daniel Eischen at "May 14, 1999 3:18:21 pm"
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As Daniel Eischen wrote ... > > > Is it possible to change the mac address of an ethernet card using > > > ifconfig? > > > > Not in any 'standard' card, no. Some cards (in SUN workstations) allow > > you to swap the EEPROM with the mac address, and I'll bet somewhere > > someone has designed a card with a programmable mac address, but > > normally it's not settable. > > Yeah, we've got some Dy-4 m68k-based single board computers that > allow the lower 3 bytes of the MAC address to be programmed. It's > kind of annoying though, because the lower 3 bytes are always > set to 0 and we have to uniquely set them for each board that > we deliver to our customer. > > The MAC addresses were meant to be unique; why do you want the > ability to change them? So you can make M$ viruses without > anyone figuring it out who made them ;-)? Things like DECnet set the MAC address. Don't ask me why though. | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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