From: Marcelino Mata (mmata@multimatic.com)
Date: Thu Dec 19 2002 - 16:02:50 EST
Hi all,
Due to corporate direction we have to move all Windows installations to
Windows 2000 or XP. For our 400Mhz SUN PCi cards this meant moving from
Windows NT 4.0 to Windows2000. We installed a new Windows2000 image with
Service Pack2 (after installing SUN patch 110762-03). Everything went
pretty well except network performance from the SUN PC cards. Network
performance from Solaris is fine.
With the SUN UltraSparc running with 100Mb/s FullDuplex, we were getting
about 1.3Mb/s on Windows NT 4.0. While this is not great it is good enough.
Under Windows 2000 we are getting .08Mb/s! It basically takes 1 minute to
copy a 5MB from the network under Windows 2000 vs 4 seconds for Windows NT
4.0.
We also have SUN PCi II cards and we noticed that they take a big
performance hit if we configure them with Virtual Networking. We use the
onboard NIC card whenever we can.
Is anyone else getting these type of numbers or have any idea how to improve
things? Maybe there is something wrong with our Windows 2000 install.
Marcelino
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