Merikes dieukriniseis parakalo!

[Christos Ricudis]

Richard Anderson wrote:

>Den einai akrivos linux erotiseis alla i have to ask them so to 
>understand:
>
>1) Episis DEN exo vgalei akri genikos! An den orisoume sto configuration 
>utility tou adsl modem/router poia mac address tha parei poia specific ip 
>address tote einai san na leme tou adsl modem/router oti kathe fora pou 
>einai na apodosei ip addresses na apodidei opoia ip address thelei se 
>opoia NIC thelei ,diladi opoia ip address thelei se opoio pc goustarei 
>apo auta pou einai connected pano tou!
>
Nai.

> Auto omos DEN mou fainetai kai 
>toso kalo. Den tha eprepe to kathe pc sto lan na exei mia sygekrimeni 
>static ip address i opoia tha ginentai kathe fora applied stin Nic tou?
>  
>
Oxi.

>2) Sto Cleint Ip Pool Starting Address giati xekinate oloi vazontas 
>192.168.1.x kai oxi kapoia alla tyxeia noumera.
>
Giati kseroun kalytera apo sena.

> Starting address legetai 
>giati auto pairnetai os vasi gia na
>arxisei kai na synexistei i onomatodosia ton ip address?
>  
>
Nai.

>4) Ritoriki erotisi: Giati prepei na apodidoume sta pc ip addresses etsi 
>oste na ta prosdorizoume monosimanta sto lan i sto inet genika? Den einai 
>kati to peritto afou etsi kai allios oi MAC Addresses einai monadikes kai 
>kanoun akrivos tin idia douleia?!?
>  
>
To mono erwthma h apanthsh tou opoioy endexomenws na endiaferei kai 
kanenan allon poy ma8ainei twra diktya. Oxi dhladh oti to grafw gia na 
to ma8eis o anepidektos ma8hsews, esy mh diabaseis thn parakatw protash 
giati etsi ki alliws de 8a katalabeis tipota. Oi MAC Addresses 
briskontai miso layer parakatw apo to IP. Einai men monadikes, alla 
einai monadikes mono oson afora to *sygkekrimeno* MAC layer poy legetai 
Ethernet, kai to Ethernet den einai h monadikh texnologia diktywshs poy 
xrhsimopoieitai sto sympan. Epishs den exoun kammia logikh ierarxia apo 
thn pleyra tou network administration, kati pou exei to IP. Kapote 
yphran kati better-to-remain-forgotten proionta "diktywshs" pou ekanan 
katey8eian map to MAC address space panw sto Network layer address 
space. Otan sxediazan to IPv6 mallon eskapsan poly ba8ia kai ta 
anakalypsan, giati ena apo ta addressing schemes poy yposthrizei kanei 
kati analogo. Eytyxws oi IPv6 designers hkseran apo diktya kai frontisan 
wste to sygkekrimeno scheme na xrhsimopoieitai mono sto arxiko 
auto-configuration tou IPv6, pou einai allwste kai to mono meros pou 
exei nohma na kaneis kati tetoio.

-- 
Christos Ricudis				ricudis at itc.auth.gr
Systems Administrator				+30-2310-998656
IT Support Center
Aristotle University of Thessaloniki, GREECE