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Date:      Wed, 4 Mar 1998 11:13:11 +0100 (CET)
From:      stein@ife.no (Stein Morten Sandbech)
To:        dwhite@resnet.uoregon.edu
Cc:        questions@FreeBSD.ORG, stein@wopr.ife.no
Subject:   Re: FreeBSD at war with Win95 over 3Com 900XL ...
Message-ID:  <199803041013.LAA08748@virginis.ife.no>
In-Reply-To: <Pine.BSF.3.96.980303195713.21429J-100000@gdi.uoregon.edu> from Doug White at "Mar 3, 98 08:02:20 pm"

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Just to follow up with som new info.

> On Tue, 3 Mar 1998, Doug White:
   : --> Snip
> Does a cold boot do anything?

A cold boot (to/with Win95) does not (re)set the media type ...
I tried the newest (3.01) driver from 3Com's Web site, but no improvements ...

> > Consequently I proceeded to set FreeBSD to select 10base2 with the
> > "link1" option in "/etc/rc.conf" as follows:
> >             ifconfig_vx0="inet  <ip-address> netmask <mask> LINK1"
> > and it works like a dream.
> 
> That is what the link flags do -- they set the media type.  `Auto select'
> is unpredicatble, especially with BNC media since there is no good way to
> `detect' BNC connections like there is for UTP.  
> 
> I guess the question is why Windoze is having trouble -- is it having to
> continually redetect the media type, resource conflict, ???

A review of the hardware indicates that there are no conflicts. Neither
Win95 nor FreeBSD indicate conflicts.

> 
> Use a better card? :-/  The 3c900 has a *very* small amount of buffer
> space, enough that NFS packets get chopped up, severely hurting
> performance.  I'm trying to rid ResNet of these cards so we can use the
> Dayna Digital-based cards, which are cheaper and perform ten times better.

I agree.
Hovewer, I've set up an indentical PII with FreeBSD and NT 4.0 a month ago, 
and it works OK. I have no indication on the FreeBSD NFS performance on that
machine though ...

> Note this warning:
> 
> > hilbert /kernel: vx0 <3COM 3C900 Etherlink XL PCI> rev 0 int a irq 10 on
> > pci0:13
> > hilbert /kernel: utp/aui/bnc[*aui*]: disable 'auto select' with DOS
> > util! address 00:60:08:e7:ef:af

OK, but farther down in "/etc/log/messages" it say:
    hilbert /kernel: vx0: selected bnc. (link1)

> Doug White                              | University of Oregon  
> Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
> http://gladstone.uoregon.edu/~dwhite    | Computer Science Major

Thank you for info, and still after approximately 4 years with FreeBSD it
never cease to impress me the quality and promptness of the FreeBSD support
team!

Stein Morten

/*  Stein M Sandbech                             Email: stein@ife.no          **
**  Senior Systems Engineer, EDP dept            Email: stein@www.ife.no      **
**  Institute for Energy Technology              Tel: +47 63 80 60 00         **
**  Box 40, N-2007 Kjeller, NORWAY               Fax: +47 63 81 11 68         */

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