[oclug] ethernet MAC Address

[bbarnett at l8r.net]

On 11-Feb-2001 Michael P. Soulier wrote:
> On Sun, Feb 11, 2001 at 07:11:01AM -0500, bbarnett at l8r.net wrote:
>> 
>> Yup.. I used to use it in Vancouver with the really old modems.. if I took
>> my
>> one firewall box offline, I'd use the same mac address on the other box's
>> ethernet card to keep the same ip.
>> 
>> Worked like a charm.
> 
>     I don't think it works with all NICs, just the newer ones. Older ones had
> fixed MAC addresses, while the newer ones are configurable in firmware, I
> think. How a network admin is supposed to ensure they're all unique, I have
> no
> idea. It's supposed to be up to the manufacturer, so you'd better write down
> what your original MAC address was before you change it.
> 
>     Mike
> 

Definately all don't do it.. but most do, but I don't know of any that store it
in an eprom.  Naturally, that doesn't mean it isn't so, I've just never seen it
:)

Of the 5 or 6 different brands I've done it with, its just a matter of changing
it.  When you reboot you're back to the old one...




---

                                     Dynamic Hosting
                                   HTTP://www.L8R.net/             
                      "We Provide Static Hostnames for Dynamic IP's"
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 232 bytes
Desc: not available
Url : http://tux.oclug.on.ca/pipermail/oclug/attachments/20010211/6da8a1e0/attachment.bin