VMworld conversation with Erik Scholten
Our very own Erik Scholten was interviewed by VMworld TV about the VMware vRealize Operations suite yesterday. Going from vRealize Operations to vRealize Log Insight. Here’s the interview:
NSX SpoofGuard Automatic Approvals through your IPAM
VMware NSX provides a (heavily underestimated) SpoofGuard functionality, which prevents virtual machines to use IP addresses that are not approved by the network engineers. It guards for, guess what, IP spoofs. Virtual machines will not be able to change their IP addresses without administrative approval,…
VMware Validated Design for SDDC 3.0 Released
The VMware Validated Designs (VVD) is a set of documentation that is maintained by VMware to provide a holistic and standardised datacenter designs that span across compute, storage, networking and management platforms. It’s basically a blueprint on how to implement and operate a SDDC-based private…
Please stop stretching your VLANs, virtualize your network
Network admins hate stretching VLANs across data centers, we absolutely hate it. It causes potential instability on a inter-data center scope, destroys our isolated fault domains; something happens with VLAN X on site A, it also can take down site B (unless you take special…
VMware NSX 6.2.3 – SSL VPN Behaviour Change
NSX 6.2.3 was released a few weeks ago and brought a bunch of new stuff and fixes. I came across an undocumented change not mentioned in the release notes, which caused me some head ache, this post describes that change. The NSX Edge Services Gateway…
Removing the VMware NSX Solution from vCenter
If you want to remove VMware NSX from your vSphere environment, it’s as simple as reversing the installation steps (remove logical network configuration, remove NSX Service VMs, remove the NSX VIBs from the ESXi hosts and remove the NSX Manager). NSX is completely managed through…
VMware NSX 6.2.3 released
VMware NSX 6.2.3 was released today and it’s a good one! There’s a lot of improvements and some new stuff in there, it’s a hell of a maturing release. Below are a few highlights. NSX for vShield Endpoint license There’s a default license generated when…
Deploy and configure VMware NSX in 23 minutes
VMware NSX is completely software based. This means it’s flexible as heck and you can have a lot of instances running concurrently. It also means you can go crazy with your network topology designs and amount of tinkering you can do with your virtual network….
PowerShell Friday: Using the Cisco ACI API
One of the great things of all network virtualization solutions, is that they can be automated using some form of API that they publish. Cisco ACI is no different and offers a RESTful API which you can consume to do stuff on the network. Well,…
Resetting the root & admin password of VMware Identity Manager
The VMware Identity Manager (previously known as Workspace Portal) is a virtual appliance with Linux on it. When you install it, you configure a root and admin password for access to the administration interface. You need this password for appliance maintenance, upgrades, etc. As with…
Introducing vmwareapis.com: a Hosted Project Platypus
APIs are everywhere these days. As a VMware engineer with a broad range of products to support, APIs are ways to speed things up dramatically. Instead of clicking yourself silly, things can be done without seconds. Finding the documentation for all the different APIs can…
Updated: Cisco UCS Inventory Script
A few years ago, I created the first version of the Cisco UCS Inventory Script (UIS), a PowerShell script to read all the configuration and environment data from a UCS Manager. It can help you to get an easy overview of UCS installations after completing…
vRealize Operations: Adding an OS Monitor Script
Besides monitoring Windows Services and the vCenter Server Appliance, you can also use vRealize Operations to monitor custom data through OS scripts. Attached to an Operating System object, an OS Script can output the health status and/or a metric for use in analysis. I will…
Cisco Enters Hyperconverged Market with HyperFlex
Cisco has just announced a new line of HyperConverged appliances called HyperFlex. With this announcement, Cisco has officially entered the HyperConverged market with an appliance with integrated compute, storage and network. The HyperFlex line initially consists of three flavours and features the hardware of the…
PowerShell Friday: Configuring vSphere MTU Size
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…