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nic teaming and hyper-v switches

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I come from the ESX world but I am slowly falling in love with the simplicity of Hyper-v. I have a stack of dell c2100's I have been experimenting with. each have 2 1gb connections  teamed to a cisco switch. when testing bandwidth with a file copy I get around 240MBps. however if I add a hyper-v switch I max out at 90Mbps. worse than no teaming at all (112Mbps). 

team is with integrated broadcom nics, LACP and I can confirm I get full bandwidth between 2 2012 r2 machines until adding a hyper-v switch. removing the switch lets me transfer at full bandwidth but then I cant use Hyper-v guests.

my goal will eventually be to add dual port 10gb cards to 5 of the C2100's and run them in a cluster to host all my VM's in HA. I don't want to waist my money on the switch and nics until I can get what i have working correctly.

HDD speed is also not the issue as each has 12 3tb WD re4 drives with 2 Intel 250GB ssd as cache. they easily hold 3000MBps sustained.


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