Re: [ILUG] [OT] Cascading switches

From: Ken Guest (kwg at domain renre-europe.com)
Date: Fri 10 Aug 2001 - 13:12:32 IST


On 10 Aug 2001 09:47:20 +0100, Chris Higgins wrote:
> > Some comes to mind. I'm looking at setting up a couple of small computer
> > labs with a single server shared between two or more labs. Rather than
> > run each lab off a different NIC in the server, I'm thinking of a switch
> > at the server with each lab running off its own switch (cascaded off the
> > server switch). Is that horrible?
>
> Erm... it depends...
>
> > Do I lose any benefit of a 100Mb
> > network by going such a route? Would I be better off with 10Mb hubs?
>
> If you build the network as it is below, with no intelligence, then it
> can be horrible. What you have in effect is one large LAN (albeit switched).
> Any broadcast packets from one machine goes to *every* port on that network.
> Which (if you have a large[1] number of machines) can cause loads of problems.

This is more out of sheer curiosity itself, rather than anything work
related (and would be overkill regarding a HAN no doubt), but are there
any docs out 'there' [0] on proper network design[1]?

k.

[0] - on the net
[1] - as opposed to just buying some cat5,a hub etc and hoping for the
best...



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