Tag Archives: NSX-T

NSX-T – NCP Integration with Openshift 4.4 – The Easy Way

By | 29. September 2020

Introduction In my previous post, we implemented NSX-T with Openshift 4 based without NCP’s support for Openshift operators (see https://www.vrealize.it/2020/07/15/nsx-t-ncp-integration-with-openshift-4-3-the-hard-way/). In the meantime, NCP 3.0.2 was released, which is implemented using an Openshift operator. The operator is also published on the Redhat Openshift Operator Hub (https://catalog.redhat.com/software/operators/detail/5ef0f362701a9cb8c147cf4b). That makes the installation way more simple, as you… Read More »

NSX-T – NCP Integration with Openshift 4.3 – The Hard Way

By | 15. July 2020

Introduction Today, we’ll take a look at how to implement NSX-T’s container integration with Redhat Openshift 4.3.Before we begin, let me quickly explain why this blog post is called “The Hard Way”. Today with NSX-T 3.0 and NCP 3.0.1, support for Redhat Openshift can be provided by configuring the corresponding network config files during Openshift’s… Read More »

Troubleshooting DNS on Kubernetes with NSX-T

By | 17. June 2020

After integrating NSX-T with K8S I sometimes get issues with coredns not working. Common root cause: K8S internal DNS infrastructure needs non-NAT’ed network access from container PODs to K8S Nodes and vice versa. As NSX-T NCP default behaviour is to NAT your K8S Namespaces this can – depending on you overall architecture – cause connection… Read More »

Integrating CentOS 7.5 BareMetal Server with NSX-T 2.5

By | 20. December 2019

This post demonstrates how to integrate a bare-metal server on OS-Level into NSX-T overlay networking and security. As there was no bare-metal system in my demo environment available I created a CentOS 7.5 VM on a non-NSX enabled ESXi Server. Topology shown below After successful installation it should look like this Pre-Requisites: Have NSX-T up… Read More »