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2842296
September 2nd, 2013 13:00
Opti 9020s with Intel I217-LM nics causing network issues
I have 9 Optiplex 9020 towers with Intel I217-LM nics. When they are connected to my network, eventually the network suffers severe latency issues, making some of it unusable. The problem disappears immediately when I disconnect the 9020s. Problem is somewhat intermittent, resolution varies. Usually unplugging any 3 or 4 of the workstations is sufficient for a while, but the remaining workstations eventually cause the same network problems. I have isolated the problem to the workstations themselves by using different switches and physically moving the workstations to different wiring.
I have tried multiple fixed IPs as well as DHCP. I have reimaged the systems, with only Win7 Pro and Windows updates installed, including the latest Intel drivers, the issue remains. Dell support advised a BIOS version patch, and drivers off dell.com instead of windows update (an earlier version), but I don't hold much hope that will resolve the issue, as the BIOS patch has no network card changes, and I've tried multiple drivers already.
I've noticed the issue can occur while the workstations are "asleep," so I've turned off "respond to ARP requests without waking system" and couple similar sleep related settings. Still waiting to see if that had any effect.
Any advice, correction, things to try, or even just sympathy would be most welcome! Thanks for reading.
AnguelS
1 Rookie
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29 Posts
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October 6th, 2014 03:00
Hi Gordon,
Thank you for the reply. Now I finally could solve the problem. It turned out that it was caused by the VirtualBox bridged network driver. I have described my findings in my blog in details:
http://techie-blog.blogspot.de/2014/10/solved-network-connection-problems.html
Regards,
Anguel
DMK111
15 Posts
0
December 30th, 2014 17:00
Hi
I have a similar problem, but with Dell Precision Tower 5810.
Im not sure about the others, but we are running 802.1x and having problems with this driver.
It will not authenticate and gives me a 169.x IP.
If I unplug and replug in the cable, it comes good. Then if I reboot, then I lose the IP again.
I have tried number of different DELL drivers and Intel drivers, and same problem.
If I plug it into NON 802.1x port, then all is good.
So, it seems to be an issue with 802.1x authentication with this driver.
I am working around this by the fix provided in this forum, which is to hard set to 100/full with reg change.
However, I cannot get it to work properly with 1G/Full. Has anyone tried this? We have 1G switch.
As usual, if you unplug and replug it comes good.
Any other suggestions to get it working on 1g/full is appreciated.
Thanks, DM.
gtirmont
1 Message
0
January 25th, 2016 02:00
Solution I have found is to boot on PXE before boot Linux. Then I can have WOL activated on Windows and I have Network on Linux. Boot On PXE first seems to reinit the card.
Karvon
1 Message
1
March 30th, 2016 03:00
Hello,
As I followed your topic to check the solution, I would like to share with you my fix.
Issue: Randomly the computer lost connection (many of you mentioned only when going to sleep, etc, not my case).
Solutions tried: Power management on NIC (disabled IPv6, not to sleep, etc), installed drivers offered in this topic, new ones, etc, nothing worked.
Real fix for me: Upgrade bios from A2 to A15, automatically it worked fine and didn't face the same problem again for more than 30 hours now. I did it remotely, very easy to "flash" the bios online.
The event viewer was reporting:
e1dexpress
Intel(R) Ethernet Connection I217-LM
Network link is disconnected.
Hope this helps to someone.