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- From: lm@slovax.Eng.Sun.COM (Larry McVoy)
- Newsgroups: comp.os.linux
- Subject: Re: How and what
- Date: 16 Sep 1992 04:51:03 GMT
- Organization: Sun Microsystems, Inc. Mt. View, Ca.
- Lines: 67
- Message-ID: <lbdf9nINNjrb@appserv.Eng.Sun.COM>
- References: <68174@hydra.gatech.EDU>
- NNTP-Posting-Host: slovax
-
- gt5584e@prism.gatech.EDU (Edward Deering Boykin) writes:
- : I have two roomates who also have computers. we are all working on getting
- : linux installed. As a experiment we would like to network them together. Can
- : this be done using the latest linux version and tcp/ip stuff. What kind
- : of equipment would be needed? Would the lan have to be client/server or can it
- : be peer-to-peer? None of know a whole lot about networks but we are all
- : pretty experienced with computers. In laymans terms what are the minimum hardware
- : requirements for setting this up? Someone give me an ideo if possible, please.
-
- OK, Larry's blurb on networks, probably reasonable because I've tried
- everything I'm about to describe.
-
- We're only going to talk about "ethernet" in all of its forms; no token
- ring, slip, or anything else.
-
- There are three interfaces: AUI, BNC, 10baseT.
-
- AUI (also known as thicknet)
- The AUI interface is the 15 pin heavy cables that you
- see wiring buildings. To use AUI, you need a mux box
- (you can do a point to point but it is hard because AUI
- includes a power pin and you can't plug power into
- power). You can use a mux box as a small network. A
- mux box, such as a cabletron 800, is a box that fans
- out a ethernet into a a number of ports, each of which
- can be connected to a system.
-
- Don't use AUI for a small network, the costs are too high.
- A cabletron is about $1K for a 8-10 port box.
-
- 10baseT (also known as twisted pair)
- The 10baseT interface looks like your phone cable.
- It's been called the rs232 cable of the 90's. 10baseT
- can be easily used as a point to point link, you just
- have to flip a couple of wires, just like rs232.
-
- Normally, you by a hub, like a mux box. Don't use 10baseT
- for a tiny network of > 2 machines, the hubs will kill ya.
- On the other hand, invest in 10baseT for your large networks,
- it's the wave of the future. Really.
-
- BNC (also known as thinnet).
- The BNC interface looks sort of like a cable TV cable or
- the cables on the back of some color monitors (suns).
- (Don't try switching the sun cables for BNC cables, one
- is 50 ohms and the other is 75 ohms. Sigh. Yes, I tried
- it. Double sigh. :-)
-
- The nice thing about BNC is also the bad thing. You can
- get T connections and insert them them in the cable to
- provided drops. This is the easiest and cheapest way to
- create a small network.
-
- The bad thing about BNC is that if someone unconnects
- the their machine, it interferes with the network.
- There is no partitioning of the drop from the network.
- An unterminated cable becomes very noisy, sometimes to
- the point of not working at all. A disconnected machine
- can look like an unterminated cable.
-
- The other bad thing about BNC is that it falling out of
- favor because of the electrical problems.
-
- Despite all the problems, BNC is what I would use to
- build a home network. It's cheap.
- ---
- Larry McVoy (415) 336-7627 lm@sun.com
-