Sorry for the late response on this one...

You will also see alignment errors if there is a
speed/duplex mismatch.

--- Chuck Larrieu <[EMAIL PROTECTED]> wrote:
> Gentle correction - late collisions occur after the
> first 64 bytes of a
> frame have been placed on the wire.
> 
> Essentially, a station listens, perceives the wire
> as clear, starts sending,
> only to find that another station has already begun
> to transmit.
> 
> Can happen for a couple of reasons. Network too
> long. Faulty hardware. Real
> busy network, possibly with lots of very small
> packets ( as might happen in
> a brokerage firm, where I used to see my fair share
> of late collisions. )
> 
> Interesting point about the duplex settings. Having
> made that mistake once
> or twice, my recollection is that connectivity is
> not established, but then
> memory may not serve on this one. Does that show up
> as 100% collisions?
> 
> Chuck
> 
> 
> A late collision usually occurs when one end of a
> switched ethernet link
> is set to full duplex but the other end of the link
> is set to half-duplex.
> 
> Darren


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