NSX load balancer buffer size
Recently I received a question from a tenant regarding the HTTP buffer size when using the NSX edge load balancer capabilities. They were trying to POST a Kerberos token to a second identity store, but the token did not arrive in its entirety. It is known…
Running OTNSX in a Docker container
In march of this year we released a whitepaper on automating security using a helpdesk system. For the whitepaper we where using VMware NSX and OTRS. The middleware we created to service it all was given the name OTNSX. More recently I have started playing…
How to provide NSX firewall logging to individual tenants
Settings up firewall logging for VMware NSX isn’t to complicated, especially when using vRealize Log Insight. Seeing as Log Insight has a management pack available for NSX, which you can download directly from the market place. Most organisations are using some form of firewall logging. And…
How to upgrade vCenter server appliance to 6.5
I know that vSphere 6.5 is out for some time now, but I did not got to upgrading my own homelab up until last week. So last week I started the upgrade and I ran into two situations in wich I had to do a…
The end of vCenter for Windows. Why invest time now?
As many of you probably know vCenter for Windows will be deprecated with the next major release. This means you still have time before you have no choice but to upgrade to the vCenter Server Appliance (VCSA). But why wait with upgrading? If the technical benefits that the…
The missing NSX security group
Earlier this week I ran into the following error “The requested object : securitygroup-xxx could not be found. Object identifiers are case sensitive.”. You can come across this error when you try to export your NSX firewall config. Or at the service composer at the top…
vRealize Log Insight: Internal vs External Load Balancer
Most of the times when talking about high availability or scaling a product like vRealize Log Insight is easily forgotten. This is a shame, especially since vRealize Log Insight is so easy to setup as a cluster with load balancing capabilities. You might wonder why it…
vRealize Automation failed requests monitoring
When working with vRealize Automation, monitoring the requests tab on the tenant portal can be really usefull. Knowing when a workflow fails for a tenant and act on this as soon as possible, can raise your tenant happiness. Keeping an eye out for failed requests…
Powershell: VMware NSX duplicate VTEP addresses
Roughly a half year ago we came across a situation in which an VMware NSX environment was having problems consistingly applying routing and firewall rules. After some troubleshooting it appeared to be a problem with duplicate VTEP (VXLAN Tunnel Enpoint) addresses on the vSphere hosts….
Having a look at Vembu BDR
Over the weekend I have been looking into Vembu BDR, which is a suite of Backup and Replication products. In this article I will make a general description of the Vembu BDR features and initial configuration to get a backup job running. The Vembu BDR Suite…
NSX Edge load balancer nodes not accessible
A while back I ran into an issue where NSX Edge load balancer nodes where not accessible. For this article I recreated a simulair setup in my lab, which I will first describe. After that I will explain what is going wrong and describe the solution…
Two vCPU NSX controller for lab environment
When installing NSX in a environment, you will at some point need to deploy NSX controllers. By default these controllers are equiped with four vCPU’s, which is fine for a production environment. But if you want to play around with NSX in a lab environment like I…
NSX security group misconfiguration
Recently I ran into an issue in which the tenant was not able to connect to its virtual machine from their office network. The tenant environment sits on an infrastructure build with VMware NSX and the vRealize suite. Now the solution to this problem wasn’t…
Blue Medora vRO plugin for F5 BIG-IP
Lately I am trying to follow as much as I can about orchestration and automation and recently I followed a webinar from Blue Medora. This webinar was focused on the release of their vRealize Orchestrator plugin for F5 BIG-IP. This plugin enables automation of BIG-IP tasks such…
New release vSphere HTML5 Web Client fling
A few months ago a new fling was released called “vSphere HTML5 Web Client“, this fling can be used in conjunction to the standard vCenter interfaces. The fling client is build on HTML5 and javascript and is deployed as a OVA. When they first released…