From: McLone <mclone@gmail.com>
To: fgergo@gmail.com,
Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] unique MAC address allocation?
Date: Wed, 30 Mar 2005 13:45:40 +0300 [thread overview]
Message-ID: <451cb301050330024578b71d2b@mail.gmail.com> (raw)
In-Reply-To: <bb1951070503300225251fd4fe@mail.gmail.com>
On Wed, 30 Mar 2005 12:25:27 +0200, fgergo@gmail.com <fgergo@gmail.com> wrote:
> 1. does anybody know if and how MAC addresses are allocated to network
> card manufacturers?
trere was some comitee that allocates to manufacturers different MAC prefixes.
> 2. do manufacturers guarantee the uniqueness of MAC addresses they build?
true
> 3. is it still true (was it ever true), that if I bought 2 NIC's,
> they'll have different MAC addresses?
true [ for not very old ethernet cards]
> 4. is it the responsibility of the OS to override the default MAC
> address if another card with the same (possibly overriden) MAC address
> was present on the LAN?
As far as i know, driver must allow this, and this process isn't automatic.
Only modern drivers allow MAC override [read: win32, nvidia nforce,
and wireless :-]
--
wbr, |\ _,,,---,,_ dog bless ya!
` Zzz /,`.-'`' -. ;-;;,_
McLone at GMail dot com |,4- ) )-,_. ,\ ( `'-'
net- and *BSD admin '---''(_/--' `-'\_) ...sorry for translit
next prev parent reply other threads:[~2005-03-30 10:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-30 10:25 fgergo
2005-03-30 10:45 ` McLone [this message]
2005-03-30 11:20 ` geoff
2005-03-30 11:27 ` Charles Forsyth
2005-03-30 13:00 ` fgergo
2005-03-30 13:19 ` Artem Letko
2005-03-30 13:20 ` geoff
2005-03-30 23:53 ` Adrian Tritschler
2005-03-30 18:00 ` Michael Zappe
2005-03-30 23:54 ` Derek Fawcus
2005-03-31 0:20 ` Michael Zappe
2005-03-31 5:34 ` Martin C. Atkins
2005-03-31 14:54 ` Derek Fawcus
2005-03-31 15:00 ` boyd, rounin
2005-03-31 6:50 ` boyd, rounin
2005-03-31 6:53 boyd, rounin
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