Archive for September 21st, 2013
Porsche Panamera S E-Hybrid – the race
Samstag, September 21st, 2013Motorola engineer Martin Cooper made that first call says he knew in 1973 – someday everybody would have a cell phone
Samstag, September 21st, 2013VMware vSphere 5.5 – the free version has no more hard limit 32GB of RAM
Samstag, September 21st, 2013IBM Watson at Work in Healthcare – is currently helping doctors recognize deadly disease sooner to design better treatments for their patients
Samstag, September 21st, 2013Microsoft Windows Server 2008 R2 – poor network performance
Samstag, September 21st, 2013 Recently we ran into issues when using the VMXNET3 driver and Windows Server 2008 R2 according to VMWare you may experience issues similar to – poor performance / packet loss / network latency / slow data Transfer – the issue may be caused by Windows TCP Stack offloading the usage of the network interface to the CPU
Netsh int tcp show global
Netsh int tcp set global RSS=Enabled
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
Netsh int tcp show global
If you find there is no change just reset to default
Netsh int tcp show global
Netsh int tcp set global RSS=Enabled
Netsh int tcp set global chimney=Automatic
Netsh int tcp set global autotuninglevel=Normal
Netsh int tcp set global congestionprovider=ctcp
Netsh int tcp set global ecncapability=Enabled
Netsh int ip set global taskoffload=Enabled
Netsh int tcp set global timestamps=Enabled
Netsh int tcp show global