Clarity, please

[dgillett at deepforest.org]

On 21 Jun 2001, at 9:17, Stephen Chowning wrote:

> On another note, does anyone feel like explaining how the software
> solution protects the non-gateway machines on the lan? I believe
> that I understand how the hardware works, having an upstream and a
> downstream connection. But my simple, small lan has an ethernet hub
> with all devices plugged into it. Would the gateway machine need
> two ethernet cards, one designated as "upstream", the other
> "downstream" plugged into the hub? 
> 
> Thanks,
> Steve

  That's exactly right.  A gateway machine is connected to two 
different networks, and either routes or proxies traffic between 
them.
  It is probably *possible* to put both networks on a single 
collision domain (the hub), but this is a Very Bad Idea.

David Gillett
CCNA, MCSE, A+, unemployed



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