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Date:      Mon, 22 May 2000 23:04:42 +0200
From:      sthaug@nethelp.no
To:        Doug@gorean.org
Cc:        dillon@apollo.backplane.com, freebsd-hackers@FreeBSD.ORG
Subject:   Re: NFS server problems on 3.4-S, any interest?
Message-ID:  <63034.959029482@verdi.nethelp.no>
In-Reply-To: Your message of "Mon, 22 May 2000 13:55:24 -0700 (PDT)"
References:  <Pine.BSF.4.21.0005221350270.25991-100000@dt051n0b.san.rr.com>

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> 	Yeah, I miss the blinky lights. I went to the x-over cable because
> the hub I bought originally was giving me non-stop collisions under
> load.

It should be noted that a lot of collisions is *expected* under load.
If you saturate a half-duplex segment (using for instance ttcp), the
sender would expect to see about 50% collisions (every other full size
TCP packet from the sender will collide with an ACK from the receiver),
and the receiver would expect to see 100% collisions.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no


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