[svlug] Re: NetGear and 100BaseT on 2.2.16-pre2

Paul Keser paulk at shopexpert.com
Mon May 22 10:54:49 PDT 2000


Maybe it is the NIC then, but why does the 3Com card work?  Could be the
3Com is over engineered so the voltage doesn't affect it.

-PaulK

*********************************************
Paul Keser
Network Security Engineer
paulk at shopexpert.com
tel:   415.351.4037
fax:  415.474.6017

ShopExpert.com
1375 Sutter Street, Suite 400
San Francisco, CA  94109
*********************************************


> -----Original Message-----
> From: Robert L. Harris [mailto:Robert.L.Harris at rnd-consulting.com]
> Sent: Monday, May 22, 2000 10:14 AM
> To: Paul Keser
> Cc: 'Robert L. Harris'; svlug at svlug.org
> Subject: Re: [svlug] Re: NetGear and 100BaseT on 2.2.16-pre2
> 
> 
> 
> 
> 
> I ran all the cables through a fluke for Wire Mapping.  All clean.
> the card gave the same performance in both Windows and Linux, no 
> link, but no errors either.  Under linux, the driver detected
> the lack of Link when I plugged it into the switch.  Windows just
> didn't say anything, but also, no link.  I took the card out
> and put a 3c595 in place, using the same cables, port on the switch,
> etc and it's working now.
> 
> I just called linksys.  They didn't deny it and they were 
> going to have
> a tech call to get info to ship me a new power supply...
> 
> Robert
> 
> 
> 
> Thus spake Paul Keser (paulk at shopexpert.com):
> 
> > That sounds like a copout to me.  I've never heard that one 
> before...even
> > when I was supporting switches & hubs at 3Com.
> > 
> > Fast ethernet be sure you have good cable (CAT5) & no split 
> pairs (1-2,
> > 3-6), 10BT you can run on almost anything but it is still 
> better to have
> > CAT5 and of course no split pairs.
> > 
> > What does /proc/pci say regarding the NIC?  Does it 
> identify it or say
> > something link unknown tulip...I will see if I can get my 
> /proc/pci & email
> > it to you for comparison.  Might not be able to until 
> tonight though.
> > 
> > You said it worked with windows didn't you?  That would 
> seem to preclude a
> > hardware incompatibility.
> > 
> > -PaulK
> > 
> > You can take the engineer out of tech support but you can't 
> take tech
> > support out of the engineer...
> > 
> > *********************************************
> > Paul Keser
> > Network Security Engineer
> > paulk at shopexpert.com
> > tel:   415.351.4037
> > fax:  415.474.6017
> > 
> > ShopExpert.com
> > 1375 Sutter Street, Suite 400
> > San Francisco, CA  94109
> > *********************************************
> > 
> > 
> > > -----Original Message-----
> > > From: Robert L. Harris [mailto:Robert.L.Harris at rnd-consulting.com]
> > > Sent: Monday, May 22, 2000 9:45 AM
> > > To: Paul Keser
> > > Cc: 'Robert L. Harris'; svlug at svlug.org
> > > Subject: Re: [svlug] Re: NetGear and 100BaseT on 2.2.16-pre2
> > > 
> > > 
> > > 
> > > 
> > > 
> > > Ok,
> > >   It appears I've found the problem.  LinkSys, the maker of 
> > > the Switch changed
> > > their power supply, atleast according to NetGear.  There's 
> > > not enough voltage
> > > to light up the netgear cards, or some such garbage.  The odd 
> > > part is that
> > > 1 of my 3 cards works fine.
> > > 
> > > Robert
> > > 
> > > 
> > > Thus spake Paul Keser (paulk at shopexpert.com):
> > > 
> > > > When you were getting the tulip diagnostic did you get the 
> > > latest tulip
> > > > driver as well and install that?  I had similar problems 
> > > with a Linksys
> > > > 10/100 (also tulip) and when I installed the new drive it 
> > > worked flawlessly.
> > > > I believe the second NIC in the machine is a NetGear.  
> > > Didn't have any
> > > > problems installing it because I installed the Linksys first.
> > > > 
> > > > I don't know about NetGear but I was pleasantly surprised 
> > > Linksys had Linux
> > > > tech support 6 mos ago.
> > > > 
> > > > -PaulK
> > > > 
> > > > *********************************************
> > > > Paul Keser
> > > > Network Security Engineer
> > > > paulk at shopexpert.com
> > > > tel:   415.351.4037
> > > > fax:  415.474.6017
> > > > 
> > > > ShopExpert.com
> > > > 1375 Sutter Street, Suite 400
> > > > San Francisco, CA  94109
> > > > *********************************************
> > > > 
> > > > 
> > > > > -----Original Message-----
> > > > > From: Robert L. Harris 
> [mailto:Robert.L.Harris at rnd-consulting.com]
> > > > > Sent: Sunday, May 21, 2000 3:18 PM
> > > > > To: Prasanth Kumar
> > > > > Cc: svlug at svlug.org
> > > > > Subject: Re: [svlug] Re: NetGear and 100BaseT on 2.2.16-pre2
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > I did get it, and I've been talking with Donald Becker.  Very 
> > > > > brief, but
> > > > > also very helpful.  I put 98 on one of my machines.  The card 
> > > > > looks good
> > > > > in 98, but I still don't get link.  I pulled the card, 
> > > and put in a
> > > > > 3Com 595TX which will do 10/100.  On the same switch port 
> > > and cable it
> > > > > links up at 100, just not full duplex.  
> > > > > 
> > > > > I'll be calling netgear first thing tomorrow morning.
> > > > > 
> > > > > Thus spake Prasanth Kumar (kumar1 at home.com):
> > > > > 
> > > > > > "Robert L. Harris" wrote:
> > > > > > > 
> > > > > > > Ok,
> > > > > > >   I have 3 machines with NetGear 10/100TX cards.  2 are 
> > > > > running 2.2.16-pre2
> > > > > > > and the Third is running 2.3.99-pre8 (need usb).  One of 
> > > > > the 2.2.16 machines
> > > > > > > can detect the 100Mb switch and works great.  The other 
> > > > > won't detect the 100,
> > > > > > > and I can't even get link at 10Mb.  I've changed ports 
> > > > > and cables and nothing
> > > > > > > will change, the second machine still can't give link.  
> > > > > The 2.3.99 machine
> > > > > > > give the same behavior.  Help?
> > > > > > > 
> > > > > > > Robert
> > > > > > <snip>
> > > > > > 
> > > > > > If you haven't already, goto http://www.scyld.com/diag/ 
> > > and get the
> > > > > > tulip diagnostic
> > > > > > utility by Donald Becker. That and the mii-diag tool he has 
> > > > > can provide
> > > > > > some useful
> > > > > > diagnostic info about the hardware.
> > > > > > 
> > > > > > -- 
> > > > > > Prasanth Kumar
> > > > > > kumar1 at home.com
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > _______________________________________________
> > > > > > svlug mailing list
> > > > > > svlug at lists.svlug.org
> > > > > > http://lists.svlug.org/mailman/listinfo/svlug
> > > > > 
> > > > > 
> > > > > 
> > > > > :wq!
> > > > > --------------------------------------------------------------
> > > > > -------------
> > > > > Robert L. Harris                |  Microso~1 :  
> > > > > Senior System Engineer          |    For when quality, 
> > > reliability 
> > > > >   at RnD Consulting             |      and security 
> just aren't
> > > > >                                 \_       that important!
> > > > > DISCLAIMER:
> > > > >       These are MY OPINIONS ALONE.  I speak for no-one else.
> > > > > FYI:
> > > > >  perl -e 'print 
> > > > > $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
> > > > > 
> > > > > 
> > > > > 
> > > > > _______________________________________________
> > > > > svlug mailing list
> > > > > svlug at lists.svlug.org
> > > > > http://lists.svlug.org/mailman/listinfo/svlug
> > > > > 
> > > 
> > > 
> > > 
> > > :wq!
> > > --------------------------------------------------------------
> > > -------------
> > > Robert L. Harris                |  Microso~1 :  
> > > Senior System Engineer          |    For when quality, 
> reliability 
> > >   at RnD Consulting             |      and security just aren't
> > >                                 \_       that important!
> > > DISCLAIMER:
> > >       These are MY OPINIONS ALONE.  I speak for no-one else.
> > > FYI:
> > >  perl -e 'print 
> > > $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
> > > 
> 
> 
> 
> :wq!
> --------------------------------------------------------------
> -------------
> Robert L. Harris                |  Microso~1 :  
> Senior System Engineer          |    For when quality, reliability 
>   at RnD Consulting             |      and security just aren't
>                                 \_       that important!
> DISCLAIMER:
>       These are MY OPINIONS ALONE.  I speak for no-one else.
> FYI:
>  perl -e 'print 
> $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
> 
> 
> 
> _______________________________________________
> svlug mailing list
> svlug at lists.svlug.org
> http://lists.svlug.org/mailman/listinfo/svlug
> 
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