If they were the same it might have been easier to spot. While the latest firmware update seems to have reduced the frequency of the problem, it is still occurring under load. You agree to indemnify and defend Citrix against any and all claims arising from your use, modification or distribution of the code. While this all sounds plausible what did not make sense was that we had not change much of anything and the problem suddenly showed up. Open a Case Online. Automatic translation This article was translated by an automatic translation system and was not reviewed by people.

Uploader: Mikajar
Date Added: 4 May 2006
File Size: 61.39 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 15381
Price: Free* [*Free Regsitration Required]

The fix, though not an acceptable permanent solution, was to add static ARP entries on the affected servers and on the firewall. The specifications for the NC x show the card is only a 1GB hp nc375t despite being based on the NetXen chipset. Then another week later a new development: If they were the ph it might have been easier hp nc375t spot.

You may use, modify and distribute it at your own risk. The replacement cards with a new hardware revision that HP sent us appeared to fix the problem.

You agree to indemnify and defend Citrix against any and all claims arising from your use, modification or distribution of the code.

This explains why it usually happened at night batch jobs, large file transfers, backupsand it also explained one host in a test environment which began showing a NIC down that hp nc375t not be resolved without rebooting the host one hp nc375t the symptoms described in the HP advisory.

Specifically VMs would not communicate to other servers on the same subnet, other servers on the same subnet could not communicate with them, and in hp nc375t cases servers across subnets could not communicate across routed connections.

Recent Drivers  1784-PCIC DRIVER

It fixed a sporadic loss of network connectivity, usually under load, and applied to Windows, Linux, and ESX and XenServer based on another forum thread I came hp nc375t. In the end we had one of each in each server — instead of two of the same — for driver level redundancy. As such I will likely be replacing the HP NC T network adapters in our hosts with another model hp nc375t on a different chipset.

HP NC375T PCI Express Quad Port Gigabit Server Adapter

We also pro-actively picked a few key servers to do this for as well. Peter October 17th, – Article Networking 7 found this helpful Created: And here hp nc375t a recently updated VMware KB article describing the issue as well, with notes of hp nc375t to look for in the logs to spot the problem.

I did finally come hp nc375t an article that mentioned a firmware update being available for the HP NCT Quad Port network adapter, of which I have many, in most hosts, and it appeared to address the type of issue I was seeing. We are at a point where we just want to buy brand new Hp nc375t cards so we can sleep better at night.

[ RELEASE (i)] HP NCT Network card driver not found [solved] | Netgate Forum

In looking at the problem the nc375f of hp nc375t that stood out at first, more later were:. Initial research does not pull up any issues with this adapter other than some people having issues before it was hp nc375t the HCL. Although the copyright in the code belongs to Citrix, any distribution of the code should include only your own standard copyright attribution, and not that of Citrix. Virtualization Leave a comment.

That said for peace of mind we did purchase NCT adapters which use an Intel chipset. After continuing to work with HP Support on this issue they finally said that they had to send me new hp nc375t with a later hp nc375t revision. Nearly two weeks later a new development: It was difficult to track down the problem as my hosts are not all identically configured we purchase them over time and re-purposed other hosts tooand the uplinks are not all connected to the same NIC models hp nc375t each switch.


It’s the best explanation so far and makes the most sense. To check if the card is an HP branded card, enter the following hp nc375t in nv375t We solved the problem ourselves by purchasing different cards, but we should not have had to.

Weird VM network issues with HP NCT Quad Port Network Adapter « VirtualBacon

To check if the card is hp nc375t HP branded card, nc37t the following command in dom0: Citrix provides automatic translation to increase access to support content; however, automatically-translated articles may can contain errors. Open hp nc375t ticket online for technical assistance with troubleshooting, break-fix requests, and other product issues.

I have isolated the problem to the specific NIC model. Hosts without this network adapter do not experience the issue.

hp nc375t Disclaimer The above mentioned sample code is provided to you as is with no representations, warranties or conditions of any kind. It’s been months now and we’re still not quite done. In no event should the code be used to support of ultra-hazardous activities, including but not limited hp nc375t life support or blasting activities.