lundi 5 mai 2014

Windows 2008 R2 Transfer fichier lent avec VMware ESXi


netsh interface tcp show global
netsh interface tcp set global autotuninglevel=disabled

http://blog.ithinksharepoint.com/2010/03/23/terrible-vmware-server-guest-network-performance/

IPv4 Checksum Offload X
IPv4 TSO Offload X
Large Send Offload V2 (IPv4)
Large Send Offload V2 (IPv6)
Offload IP Options X enabled
Offload TCP Options  X enabled
TCP Checksum Offload (IPv4)  X TX RX Enabled
TCP Checksum Offload (IPv6)  X TX RX Enabled
UDP Checksum Offload (IPv4)  X TX RX Enabled
UDP Checksum Offload (IPv6)  X  TX RX Enabled

On servers that don't have this NIC we run the following, which I was hoping to add as part of the template deployment, but on all templates we are using VMXNET3's now and after running the following I check on the NIC settings via the driver page and nothing is disabled:

Netsh int tcp set global RSS=Disabled
Netsh int tcp set global chimney=Disabled
Netsh int tcp set global autotuninglevel=Disabled
Netsh int tcp set global congestionprovider=None
Netsh int tcp set global ecncapability=Disabled
Netsh int ip set global taskoffload=disabled
Netsh int tcp set global timestamps=Disabled

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009517

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