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Date: Tue, 6 Aug 2002 12:44:16 -0700 (PDT)
From: "Randy.Dunlap" <rddunlap@osdl.org>
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To: Chris Friesen <cfriesen@nortelnetworks.com>
cc: <root@chaos.analogic.com>, <linux-kernel@vger.kernel.org>,
       <abraham@2d3d.co.za>
Subject: Re: ethtool documentation
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On Tue, 6 Aug 2002, Chris Friesen wrote:

| "Richard B. Johnson" wrote:
|
| > Because of this, there is no such thing as 'unused eeprom space' in
| > the Ethernet Controllers. Be careful about putting this weapon in
| > the hands of the 'public'. All you need is for one Linux Machine
| > on a LAN to end up with the same IEEE Station Address as another
| > on that LAN and connectivity to everything on that segment will
| > stop. You do this once at an important site and Linux will get a
| > very black eye.
|
| Can't we already tell cards (some of them anyway) what MAC address to use when
| sending packets?  This doesn't overwrite the EEPROM, but it does last for that
| session...

Sure, and that doesn't violate any IEEE Ethernet standards.
Locally Administered Addresses are allowed.
Just make sure that they don't conflict with other addresses.

-- 
~Randy

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