Integrating VMware NSX with VMware vRealize Log Insight
VMware vRealize Log Insight is a log analyser with capabilities to receive logs from regular syslog (so every device that can send syslog over the network) and from agents for Windows and Linux. Mostly every device can be configured to send logs to it and…
How to install Micro Segmentation on your vSphere cluster – a Step-by-step guide
Micro segmentation is probably the number one reason for companies with vSphere to purchase NSX. This feature inserts a packet filter in between your VMs. A filter you can configure centrally, link to single VMs, groups of VMs, kinds of VMs and specify according to your…
Removing VMware Data Security after vShield to NSX upgrade
An existing vShield environment can be upgraded to a full NSX environment, as described in my VCIX post “Upgrade VMware NSX Components”. All vShield components can be upgraded, except for one; vShield Data Security. The documentation states: NSX Data Security does not support a direct…
The (Un)official VMware VCIX-NV Study Guide
VMware released a new certification for NSX back in October 2014; the VMware Certified Implementation Expert (VCIX-NV). This new certification is the next level for VMware Certified Professional – Network Virtualization (VCP-NV) and validates your skills and your ability to install, configure and administer VMware…
VMware NSX-v Configuration Maximums
VMware usually publishes a Configuration Maximums paper on their products. NSX has quite a bit of specifics that have a limit, but there is not an official configuration maximums paper yet. I hope there will be one soon, but for now I’ve compiled a list…
What’s new in vSphere 6 Networking
Here are the changes in vSphere 6 networking. As you can see there are not very many changes but the impact may be substancial. Network I/O Control With vSphere 6 VMware introduces Network I/O Control Version 3 which allows administrators or service providers reserve or…
VMware Fling – Latency Sensitivity Troubleshooting Tool
VMware released a new Fling, a latency sensitivity troubleshooting tool. The Latency Sensitivity Troubleshooting Tool provides scripts and examples to troubleshoot configuration and performance problems with the Latency Sensitivity feature in VMware vSphere 5.5. Features Python script that runs on ESXi to check virtual machine…
VMware Fling – ESXi Mac Learning dvFilter
MAC learning functionality solves performance problems for use cases like nested ESX. This ESX extension adds functionality to ESX to support MAC-learning on vswitch ports. For most ESX use cases, MAC learning is not required as ESX knows exactly which MAC address will be used…
Launch of VMware NSX 6.1
At VMworld 2014, VMware showed the next version of its network virtualization platform VMware NSX 6.1. At VMworld 2014, VMware, Inc. showcased the continued maturity of the industry’s most complete network virtualization platform for the software-defined data center with the launch of VMware…
Untangle the mess! Network issues with VMware VMs
In the last couple of weeks my colleagues and I encountered several issues with virtual machines in relation to network configurations. These issues where relatively easy to fix but I wanted to write them down for myself and share them with you all. Problems first arose when…
Cisco UCS Fabric Interconnect port licensing explained
When you are designing a Cisco UCS Unified Computing environment you will use several components which will work together. One key object in the whole chain is the Fabric Interconnect which connects the chassis, used storage and uplinks to Datacenter Switches like the Nexus 5000…
Network connection lost after vCSA restore
Today we encountered a strange error after restoring a vCenter Server Appliance (vCSA) in our vCloud Director environment. You would expect that a restore of a virtual machine would return it to its original state at the time of the back-up. As it turns out…
No internet connection results in slow vSphere client consoles
In the last few weeks a customer that I am working for has been making a lot of changes within their infrastructure. Some big and some (on the surface) small. Somewhere during those weeks a change was made and the consequence of that change has…
VMware NSX Distributed Services
This article is number two of a series about the upcoming network virtualization spree, specifically the one coming from VMware. Check out the first article in this series, ‘Introduction to VMware NSX‘. VMware NSX – Distributed Services Traditional network services have evolved over the last…
Introduction to VMware NSX
This article is number one of a series about the upcoming network virtualization spree, specifically the one coming from VMware. I spent 14 to 17 October at VMworld 2013 in Barcelona, basically getting my mind blown by the futuristic possibilities of network flexibility. Things are…