Hyper-V NIC always down if traffic more than ~50%

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i have win2012r2 vhost runing on dl380gen9. there ~6 vms reside on it. when tester run automaiton case on these vms, if network traffic reach more ~50%(1gb), the nic binding hyper-v down. but just disable then re-enalbe nic again, network connection get back.

anybody have experience troubultshoting this kind of issue? which trace log can analyze issue? 

hw: hp dl380gen9 e52698v3

ram: 128gb

nic: hp ethernet 1gb 4-port 331i adapter

nic driver: 16.6.0.4

os: win2012r2 dc latest windws update.

hello

there have been problems vmq , broadcom based nics... see http://h20564.www2.hpe.com/hpsc/doc/public/display?docid=emr_na-c04719558&sp4ts.oid=7481830

you may want disable vmq it's 10gbe nics , you're using onboard1gbe nics, unless of course there new driver fixes problem you.

enter following command in administrative powershell prompt:

get-netadapter | ? interfacedescription -like *hp*331* | disable-netadaptervmq

be advised network connectivity interrupted shortly.

good luck

lyndon

lyndon frei innobit ag, basel, switzerland



Windows Server  >  Hyper-V



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