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Date:      Thu, 8 Apr 1999 08:51:48 -0500
From:      "Mike Avery" <mavery@mail.otherwhen.com>
To:        freebsd-isp@FreeBSD.ORG
Subject:   Re: NFS slowness on 100 LAN
Message-ID:  <199904081401.JAA03286@hostigos.otherwhen.com>
In-Reply-To: <Pine.GSO.3.95.990407144941.16794A-100000@hollywood.cinenet.net>
References:  <199904072058.PAA02127@hostigos.otherwhen.com>

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On 7 Apr 99, at 14:52, Suresh Rajagopalan wrote:

> > I'd turn off the FD.   Based on information in another list, when 
> > congestion occurs the 3COM switches tend to just drop packets as a means
> > of flow control.  The sender has to time out before a retry is
> > attempted.  Bad design.  A number of other switches do the same thing. 
> > All in all, FD may not be 	quite ready for prime time yet.
 
> The slowness is seen on 100MB half-duplex also.

I REALLY don't trust switches yet.... just for grins, try a hub and see 
what happens. 

> > Also, you didn't mention the box you were using, but there are some
> > documented problems with Compaq boxes and 3Com PCI cards - the cards can
> > only access the bus one fourth as often as it should be able to.  All in
> > all, I'm phasing out my 3Com cards.
 
> The client is a  generic box with a ASUS-P2B-D motherboard and a
> PII-450.   The X86 server is a dual PPro Asus motherboard running X86.

Overall, I trust ASUS..... 

What else is on the net, and what sort of performance are the other 
nodes seeing?

Mike


======================================================================
Mike Avery                            MAvery@mail.otherwhen.com
                                          (409)-842-2942 (work)
                                                  ICQ: 16241692

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