Nov 18, 2013 Few of the forums suggest that this is an issue with MAC Address Filtering being 'enabled' on the switch. Microsoft Network Adapter Multiplexor Driver Physical Address..... HP Ethernet 1Gb 4-port 331FLR Adapter #3 AvailableVMQueues: 0 NumberVmqAllocated: 0 IovEnabled: False IovVirtualFunctionCount. HP ETHERNET 1GB 4 PORT 331FLR DRIVER FOR MAC - This riser kit includes a power cable along with the riser. For more information, see http: The maximum memory capacity is a function of the memory type and number of installed processors. Download drivers for Broadcom HP Ethernet 1Gb 4-port 331FLR Adapter network card, or download DriverPack Solution software for automatic driver download and update.
Active3 years, 9 months ago
We run several HP DL380 Gen8 servers as Windows 2012 R2 Hyper-V hosts.Randomly, they stop responding on the customer NIC (ie the one connected to the virtual switch). Customers are disconnected from VMs.
Luckily we have found that we can get to the server via the management NIC okay and we simply disable/re-enable the customer NIC and all is well again.This happens every few days and there seems to be no trigger.
I have ensured that the adapter drivers are the latest (v17.0.0.3 HP Ethernet 1Gb 4-port 331FLR / Broadcom NetXtreme).
Has anyone else experienced this? Could the cause be in the physical NIC, the driver or perhaps in the Hyper-V virtual switch?
TrichromicTrichromic
2 Answers
Honestly, the short answer is that you need to switch to Intel nics. Broadcom has been trying to fix this problem for over a year and they still haven't licked it.
That second link brings you to a Microsoft site which will link you out again to driver pages that supposedly fix this problem. Beiyang thermal printer btp-2002np. Speaking from personal experience, for what that's worth, it didn't work. We ended up buying Intel Nics and switching them on maintenance.
Colyn1337
Hp Ethernet 1gb 4-port 331flr Adapter DriverColyn1337
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Well, this is a known issue as described in this Microsoft kb article:
What really helped us in our case, was not only to disable the VMQ in all affected Network adapters properties as suggested by Microsoft, but also to disable it in the Virtual machine's properties (to uncheck “Enable Virtual Machine Queue” under each of the virtual machine settings). By default is it enabled.
See detail instructions here: Hyper-V Virtual Machines losing network connectivity under Server 2012 R2
Hp Ethernet 1gb 4-port 331flr Adapter Driver For MacDiamantDiamant
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