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Re: [TEKNIK] Mild panik: MAC adresse på ny maskine



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On Sat, 21 Mar 2009 13:15:40 +0100
Martin Møller Skarbiniks Pedersen <sslug@sslug> wrote:

> 
> men det virker vel ikke, hvis C3 maskinen ikke har fået en ip-adresse.
> 
MAC og IP er to helt forskellige ting. MAC findes på link laget mens
IP befinder sig på netværkslaget. Når computerne kommunikere i samme
netsegment benytter de ikke IP, men udelukkende MAC. IP bliver
først aktuelt, når man skal routes videre til et andet netsegment. Man
kan sagtens have et netsegment, hvor man ikke anvender IP, hvis der
ikke skal routes. Alle netværkskort har en hardkodet MAC, som virker
uafhængigt af, om netsegmentet også anvender IP. Hvis det modsatte
gjorde sig gældende, kunne man jo ikke have et system med dynamisk
tildelt IP:-)

- -- 
Hilsen/Regards
Michael Rasmussen
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
A computer is like air conditioning: it becomes useless when you open
windows.
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