I have a couple of computers that I use as clients to my MythTV server.
I was having some problems with them that a bios upgrade fixed, but
after the upgrade I found that it had hard coded both my machines to the
same MAC address. I ended up having to set them back in the network
config... totally lame. I have no idea how I would possibly set it
back, or to something...anything else.
In any case, I suspect that a similar thing might have happened to these
people. It could have even been applied a botched BIOS update right
from the factory.
Brian Cluff
On 02/06/2014 04:50 PM, Daniel Stasinski wrote:
The past few days I've been trying to solve a mystery.
I've run a disability chat room for 17 years now and the whole time we
have had our own custom chat client that connects to a customized
ircd. For the identd portion of the connect, I have always used an 8
digit random number but as of v3 of the client, I seeded the random
number generator with their MAC address so their identd would be the
same if they re-installed. I have always been under the impression
that no two devices would ever share the same MAC. Note that this
isn't a security issue for the site, it's just a convenience thing for
me.
In the last couple of months, 4 people have come in with duplicate
id's. This has never happened before. Finally today a new guy came
in and he turned out to be a programmer too so we talked about it and
he gave me his pc's mac address. 58-2c-80-13-92-63. On a whim, I
googled it and holy crap!
I'm going to switch algorithms but I'm still curious, is it normal for
vendors to recycle MAC addresses?
Daniel
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