Is a crossover cable needed for vSAN 2-Node Direct Connect?

I had this question last week around vSAN 2-node direct connect and whether using a crossover cable is still required to be used or if a regular CAT6 cable (CAT 5E works as well) can be used. I knew the answer and figured this would be documented somewhere, but it doesn’t appear to be. To be honest, many websites … [Read more...]

vSphere 5.5 What’s New at VMworld 2013, NSX, SDDC, VSAN, vFlash

I’ve been in the VMware Early Access program for Bloggers and the vSphere beta so I have been familiar with all the new 5.5 features for a while. I have tried to write a very short version of what’s new. More details will come today in separate blog posts. vSphere 5.5 Platform Features Summary vSphere […] This … [Read more...]

ESXi “Management traffic” tickbox, what does it do?

I have seen this popping up various times over the last few years. That little tickbox on your VMkernel NIC that says “Management traffic” (aka management network) what is it for? What if I untick it, will SSH to that VMkernel still work? Will the HA heartbeat still work? Can I still ping the VMkernel NIC? … [Read more...]

Testing your infrastructure!

Last week I was helping someone on the VMTN community forums. They were hitting what appeared to be strange HA behavior. After some standard questions this person told me that all VMs were powered down after a network outage. Sounds like a familiar problem? Yes I can hear most of you think: Isolation response set to … [Read more...]

VMware vCloud 5.1 Networking part 4 Cell Load balancing

Hope you enjoyed the previous series on VMware vCloud Director networking. In this post I will show you how to make the vCloud Cells available through a Load Balancer using the vShield Edge. By publishing two or more vCloud Cells behind a load balancer, it is easier to separate management network from user network and … [Read more...]