> Still, what configuration could minimise collisions? I get collision even
> while FTPing between two nodes on my private network.
This is an indication of a larger problem. There is no reason this should
happen, especially on a small network. How many devices do you have? Are
your patch cables and in-wall runs kept away from mains power lines,
fluorsecent lights, and electric motors such as garage door openers, and are
there any kinks or sharp bends in the cables. All these can result in
collision problems that shouldn't occur otherwise.
> Well, yes, cable length should matter. The maximum legal length of an
Ethernet
> is 50 ms (milliseconds, not metres) from one end to another. Still, during
> those 50 ms, downstream nodes may think that the ether is free, and start
to
> transmit as well. Since clairvoyance is not part of any current Ethernet
> standard, collisions is something we have to live with.
A properly designed network, with good equipment, should have very few, if
any, collisions. Token Ring, mentioned previously, is mostly useful in
extremely large networks (1000+ nodes, IIRC) As a note, collisions rarely
happen on the 60+ node network at my school. A home user really should not
have any collisions.
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