Feb 23, 2017
Introduction In this post we will cover an updated version for addressing VMXNET3 performance issues on Windows Server 2016. As with an earlier post we addressed Windows Server 2012 R2 but, with 2016 more features were added and old settings are not all applicable. What To Change According to VMWare you may experience issues similar to: Poor performance Packet loss Network latency Slow data transfer The...
read more
Network performance with VMXNET3 on Windows Server 2016
Aug 19, 2016
Introduction In this post we will cover an updated version for addressing VMXNET3 performance issues on Windows Server 2012 R2. As with an earlier post we addressed Windows Server 2008 R2 but, with 2012 R2 more features were added and old settings are not all applicable. What To Change According to VMWare you may experience issues similar to: Poor performance Packet loss Network latency Slow data transfer...
read more
Network performance with VMXNET3 on Windows Server 2012 R2
Feb 28, 2013
Optimal Network Adaptor Settings for VMXNET3 and Windows 2008 R2
There is an ongoing debate between many admins on what are the best settings for the VMXNET3 driver on Windows 2008 R2 settings and I suppose there will be many more. In this postI will attempt to point out some of the options and recommended settings for the VMXNET3 adaptor. Global Settings Receive Side Scaling (RSS) Receive-Side Scaling (RSS) resolves the single-processor bottleneck by allowing the... read more
Jan 30, 2013
Network performance with VMXNET3 on Windows Server 2008 R2
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. To resolve this issue, disable the TCP Checksum Offload feature, as well enable RSS on the... read more
