Several vSphere components can benefit from using a larger network frame size (MTU) than the regular size of 1500 bytes. vMotion, Storage: NFS, iSCSI and VSAN are examples that would gain some performance by increasing the frame size. In most cases, you would configure the MTU to a jumbo frame size, which is 9000.

Configuring the MTU size throughout your infrastructure can be tedious though, as you need to make sure you configure the entire chain of the network flow. If you’re not using … Read more


VMworld Europe is the event of the year for me. A week of meeting up with all kinds of IT professionals from around the world. I believe there were around 9,000 people from 90+ different countries. Apart from all the interesting people, it is geek heaven for anyone interested in virtualisation.

Being a techhead first, I always go head first into the technical sessions. This year, I attended around 18 break out sessions mostly about VMware NSX and automation subjects. Being a hybrid engineer (network & virtualisation), I thoroughly am enjoying what is happening in the networking space around virtualisation. … Read more