Re: [dylug] Networking question

hi
i dont think u can spoof mac addresses
u can only spoof IP addresses...
u wanna do some ressearch on it
before moving ahead with your ideas ;)
nitin

--- abhijit deodhar <[email protected]> wrote:
> Hi guys,
> 
> Thanks for the replies.
> 
> One more question.
> As pointed by Amit Gud, we can spoof MAC addresses.
> So in that case can we have a single NIC with 2
> addresses (one original and other spoofed).
> If so, will the mac respond to queries for both
> addresses?
> If yes, then we can as well have a subnet of MAC
> addresses similar to IP subnets assuming we assign
> spoofed address in a specific logical sequence?
> 
> Am i right?
> 
> Please let me know!
> 
> Thanks,
> @Abhijit.
> 
> --- Debajit Adhikary <[email protected]> wrote:
> > abhijit wrote:
> > 
> > > My question is if we have (or develop) an
> > application
> > > layer that understands MAC addresses( which is
> > > unique), do we still need IP addresses?
> > 
> > 
> > No you dont.
> > 
> > But it would be a highly specialized solution
> > tailored to your specialized 
> > needs, one that would only work (mostly) with your
> > particular network, and 
> > would be difficult to manage, extend and maintain.
> > 
> > Yes, it would work without IP addresses, and I see
> > the following severe 
> > shortcomings to the solution:
> > 
> >    - Very Very Low Level 
> >    - Very Difficult to maintain (You are
> completely
> > responsible -- you 
> >    won't get much OS support at the higher level) 
> >    - Very Difficult to extend (Look... tomorrow if
> > you decide to change 
> >    or add a new node to your n/w -- or use some
> > other networking tech -- your 
> >    MAC addresses will change -- I think I may be a
> > little wrong here.... please 
> >    correct me... and the solution may not work as
> > expected) 
> > 
> > (I guess i went a lil overboard with the very's
> :))
> > 
> > In general, as Kary and Gud pointed out, when you
> > move to IP addresses, you 
> > abstact away from hardware details, and work in a
> > "generic" manner -- hence 
> > a solution based on IP addresses is much more
> > flexible and powerful... also 
> > it opens up a whole world of other possibilities.
> > 
> > Hey Abhi.... why exactly do you want to do this
> > anyway? Maybe you have 
> > something specific in mind?
> > 
> > And hey... Abhi... wanna give IPv6 a try?! ;))
> > Well... Linux has been 
> > supporting it since as long as I know... Its gonna
> > be the default in 
> > Longhorn i guess as well... :)) BTW... anyone here
> > who's setup a IPv6 LAN? 
> > I'd like to try that sometime :)) 
> > 
> > luv
> > Debu
> > 
> 
>
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