[1956] in linux-net channel archive
Re: Networking without a hub or a router/repeater(was Re: ``Networking'' via SCSI)
daemon@ATHENA.MIT.EDU (Drew Eckhardt)
Thu Feb 22 01:46:48 1996
To: "G. Hugh Song" <ghsong@kjist.kjist.ac.kr>
Cc: linux-net@vger.rutgers.edu
In-reply-to: Your message of "Wed, 21 Feb 1996 21:55:54 +0900."
<199602211255.VAA16059@kjist.kjist.ac.kr>
Date: Wed, 21 Feb 1996 13:03:07 -0700
From: Drew Eckhardt <drew@poohsticks.org>
This thread is now appropriate for the net mailing list but not the
ncr53c810 mailing list, so I've forwarded this response there. Please
direct your follow-ups to ghsong@kjist.kjist.ac.kr and
linux-net@vger.rutgers.edu.
In message <199602211255.VAA16059@kjist.kjist.ac.kr>, ghsong@kjist.kjist.ac.kr
writes:
>Now the question is whether it is really possible to connect two ethernet
>cards on one machine, one through the hub and one directly to another machine.
Yes.
>Drew's comment above seems to be positive about the feasibility. What
>is rfc1597 private network? Would you please elaborate, Drew?
RFC 1597 sets aside a set of class A, B, and C networks for "private" use.
By using these networks, you won't have conflicts with "real" IP addresses.
If you accidentally leak packets for one of these networks, sanely configured
routers will drop them, and people run a minimal chance of being hit by
routing loops due to your leakage.
>One more question: is it possible to connect two Linux machines through
>a twisted-pair line without a repeater anyway?
It is possible to rig up a "null modem" sort of cable and do this with
10BaseT. I haven't been paying enough attention to either of the 100
Mbit/sec standards to know what the case is there.
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