[62531] in North American Network Operators' Group
Re: News of ISC Developing BIND Patch
daemon@ATHENA.MIT.EDU (Richard Irving)
Thu Sep 18 16:43:34 2003
Date: Thu, 18 Sep 2003 15:42:13 -0500
From: Richard Irving <rirving@onecall.net>
To: Richard Irving <rirving@onecall.net>
Cc: "Mr. James W. Laferriere" <babydr@baby-dragons.com>,
bdragon@gweep.net, Justin Shore <listuser@numbnuts.net>,
nanog@merit.edu
In-Reply-To: <3F6A1450.6080108@onecall.net>
Errors-To: owner-nanog-outgoing@merit.edu
* sigh *
s/there/their/
s/mps/mbs/
s/:)/:}/
8-)
Richard Irving wrote:
>
> Mr. James W. Laferriere wrote:
>
>> Hello Whoever ,
>> On Thu, 18 Sep 2003 bdragon@gweep.net wrote:
>>
>>>> On Wed, 17 Sep 2003 bdragon@gweep.net wrote:
>>>
>>> manufacturer assigned macs are guaranteed to be globally unique.
>>> A specific enterprise reconfiguring the mac is akin to an enterprise
>>> using RFC1918 space.
>>
>>
>> I have to agree with Mr. Shore here . Mac addresses are NOT
>> unique from ALL manufacturers '.' . I do beleive that there was a
>> a brand (maybe not USA) that the cadr came without mac-address
>> hard assigned on the card , You HAD to , using their
>> configuration tool assign one . JimL
>
>
> There was actually a fly by nighter that had one
> of the earliest EISA based 100mps FD FE in the early 90's,
> where ALL there cards had the SAME MAC, the people
> issuing ranges had only assigned them the ONE...
>
> So, they burned it on all their cards!
>
> Really.
>
> Obviously, you could only use one per network... :P
>
> And, FWIW, old VAX gear had assignable MAC's....
>
> But, other than freak cases, the original point
> is true.. today most MAC's are globally unique.
>
> HSRP not withstanding.....
>
>
> (To every rule, there is an exception, including this one.)
