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Setting Up Linux® PXE on Server and Client Systems 1. To download the latest driver package. # NetXen Incorporated NX3031 Multifunction 1/10 Gigabit Server. NX3031 Intelligent NIC. 7.6 Uninstalling the NetXen NIC Driver in Linux. Web site at http://www.netxen.com/support/downloads/drivers. Identifying and Resolving NetXen nx_nic. The driver download page also states that TSO is not a. Nx_nic NetXen NX3031 Quad Port Gigabit Server Adapter Board S.
The commit for this change in Linux stable tree is 24a7a45 (patch). Link speed For NX3031. Red Hat Customer Portal. Loading of /lib/firmware/phanfw.bin for netxen_nic driver. NX3031 Gigabit Ethernet Chip rev.
I’ve had the worst luck with NetXen NICs, specifically the HP branded NC375 quad port 1GbE flavor, as they continuously seem to experience some sort of issue that causes them to drop traffic and reset. This post contains some information on the NIC and how to troubleshoot the issues that I’ve encountered and resolved.
Driver and Firmware Details
In vSphere, the NetXen NIC uses the “VMware ESX/ESXi 4.0 Driver CD for QLogic Intelligent Ethernet Adapters” driver suite. Here’s a link to the latest drivers (as of 8/16/2011) if you need them. The driver shows up as “nx_nic”.
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To determine the driver and firmware version you’re using, SSH into the ESX host and issue this command:
Common Issues with NetXen Cards
I run a lot of different types of NICs, From Broadcom (bnx2 driver) to Intel (e1000e driver). I’ve not had any issues in years with these cards. I’m not sure who’s dropping the ball on the NetXen, but these cards just never seem to work 100% all the time.
One major issue that I’ve encountered that actually triggers an HA failover is the infamous transmit timeout. There are lots of results for people having this problem if you search Google. Most of the recommendations are to turn off TCP Segmentation Offload (TSO). However, the March edition of the nx_nic drivers don’t even support TSO, so that’s not the issue. To find out the stats on your card, issue this command:
><strong>Cannot get device tcp segmentation offload settings:Functionnotimplemented</strong></span>
Cannot get device udp large send offload settings:Functionnotimplemented
Cannot get device generic segmentation offload settings:Functionnotimplemented
tx-checksumming:on
<span style='color:#ff0000;'><strong>tcp segmentation offload:off</strong></span>
generic segmentation offload:off
As you can see, TSO is disabled. Additionally, the driver download page also states that TSO is not a functioning feature.
The issue you will see in the messages.log file of the ESX host affected is as follows. In my case the issue is on a card with vmnic0, 1, 2, and 3.
Updates (9/11/2011)
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![Netxen Nx3031 Linux Driver Download Netxen Nx3031 Linux Driver Download](https://www.gfxtra30.com/uploads/posts/2011-12/1324572417_1.jpg)
There was an announcement from HP on 8/11/2011 Â that a number of firmware updates are also available for the NetXen suite of hardware.
Link:Â http://bizsupport1.austin.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=4118472&prodTypeId=12169&objectID=c02964542
The article states clearly:
FIRMWARE UPGRADE REQUIRED to Avoid the Loss and Automatic Recovery of Ethernet Connectivity or Adapter Unresponsiveness Requiring a Server Reboot to Recover
To update your firmware on a VMware host, use the “Firmware Upgrade for the NC375i, NC375T, NC522m, and NC522SFP Adapters Under VMware” section, or get a hold of the NetXen firmware CD/ISO as I have and install over iLO.
Thank you to Ben Richter for discussing his issues with the NetXen cards and emailing me over this link!
Thoughts
Unless you are extremely confident in your network and NetXen cards, set your HA isolation response to “leave powered on” if you are running ESX 4.1 or higher. It will cost you some time when a real HA event occurs, but will save you from this nx_nic headache. The chance of a real HA event are much, much slimmer than having the cards reset (they seem to do it on a random host monthly). I’ve submitted a number of SRs to VMware, but they are unable to assist as it’s considered a driver issue. If you find a permanent solution, please share in the comments.
I’ve had the worst luck with NetXen NICs, specifically the HP branded NC375 quad port 1GbE flavor, as they continuously seem to experience some sort of issue that causes them to drop traffic and reset. This post contains some information on the NIC and how to troubleshoot the issues that I’ve encountered and resolved.
Driver and Firmware Details
In vSphere, the NetXen NIC uses the “VMware ESX/ESXi 4.0 Driver CD for QLogic Intelligent Ethernet Adapters” driver suite. Here’s a link to the latest drivers (as of 8/16/2011) if you need them. The driver shows up as “nx_nic”.
To determine the driver and firmware version you’re using, SSH into the ESX host and issue this command:
Cannot get device udp large send offload settings:Functionnotimplemented
Cannot get device generic segmentation offload settings:Functionnotimplemented
tx-checksumming:on
<span style='color:#ff0000;'><strong>tcp segmentation offload:off</strong></span>
generic segmentation offload:off
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As you can see, TSO is disabled. Additionally, the driver download page also states that TSO is not a functioning feature.
The issue you will see in the messages.log file of the ESX host affected is as follows. In my case the issue is on a card with vmnic0, 1, 2, and 3.
generic segmentation offload:off
Updates (9/11/2011)
There was an announcement from HP on 8/11/2011 Â that a number of firmware updates are also available for the NetXen suite of hardware.
Link:Â http://bizsupport1.austin.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=4118472&prodTypeId=12169&objectID=c02964542
The article states clearly:
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FIRMWARE UPGRADE REQUIRED to Avoid the Loss and Automatic Recovery of Ethernet Connectivity or Adapter Unresponsiveness Requiring a Server Reboot to Recover
To update your firmware on a VMware host, use the “Firmware Upgrade for the NC375i, NC375T, NC522m, and NC522SFP Adapters Under VMware” section, or get a hold of the NetXen firmware CD/ISO as I have and install over iLO.
Linux Printer Driver Download
Thank you to Ben Richter for discussing his issues with the NetXen cards and emailing me over this link!
Thoughts
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Unless you are extremely confident in your network and NetXen cards, set your HA isolation response to “leave powered on” if you are running ESX 4.1 or higher. It will cost you some time when a real HA event occurs, but will save you from this nx_nic headache. The chance of a real HA event are much, much slimmer than having the cards reset (they seem to do it on a random host monthly). I’ve submitted a number of SRs to VMware, but they are unable to assist as it’s considered a driver issue. If you find a permanent solution, please share in the comments. Great wall driver download.