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afaik, the presence of ethernet -interface is not necessary when using
the loopback address, there is this loopback driver for sending packets
from Ip layer back to upper layers. [source: stevens Tcp/Ip Vol.1
:chapter 2(?)] see,even without a NIC, u can telnet to 


Ramanujan wrote:
> Hi,
> I have a small clarification, when writing socket programs, do we need to
> have the Etherent interface present on the system. That is i am trying to
> simulate the client and the server on the same machine. that is the connect
> call from the client will give the loopback address
  I just want to be that (catcher in the rye)++

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