I guess most people working with NSX are aware of the overlay tunnels, they need to be there to have networks connected to your workloads. After some host reboots to change power settings, we didn't see tunnels coming back online. At fist you might think there are no workloads migrated to the hosts,...
The first reaction of one of my collegues was what is that? When you lookup where it is short for it makes much more sense! TOFU stands for "Trust on first Use" and is the opposite of TOEU, which stands for "Trust on every Use".
In NSX the IP addresses on ports are learned by ARP snooping and VMw...
Like any other monitoring tool with vROps you will get lots of alerts, most of them during the day while you're doing other things. You can send alerts to email, but in my experience those emails not always get the right attention. To make sure you see the alerts (especially the important ones) you...
VMware Aria Operations for Networks (formerly known as vRealize Network Insight) is a great tool to get information about traffic within your ESXi enviroment. After configuring your vCenter and NSX instance the collection starts and can give you lots of useful information. Getting the right data isn...
Most of the times I prefer to not bind VMs to a specific host, but sometimes it saves lots of money on licenses. I used this script to keep Windows VMs running on less hosts then my cluster size, in order to report less Host usage for the SPLA reports. You can use DRS Group to place selected VMs on...
At a customer I was working on hardening an environment. I case of your ESXi servers there are a lot of settings you can apply to make things more secure. But doing all this by hand and keeping track of all these settings will cost some time. The easy way to do this are host profiles, even for small...
