How Aruba Central Provisioning Works

Reading Time: 5 minutes This time I will demonstrate the Aruba central provisioning process, to zero touch deploy switches and Aruba Instant AP’s. The process is using Aruba Activate as well. But let’s start at the beginning. What is Aruba Central Aruba Central is the cloud-based management solution from HPE Aruba. In the past, Aruba Central was used to manage … Read more

HowTo: Aruba VIA

Reading Time: 7 minutes This time, I would like to show the configuration of the Virtual Intranet Access client. I use this one as a replacement for my OpenVPN installation. The aim is, to have an encrypted connection, even when using public hot spots. The great thing, Aruba VIA is also available to mobile phones, like my iPhone.In this post, … Read more

VXLAN WAN and IPSec

Reading Time: 7 minutes I did this post for two reasons. First I would like to demonstrate the possibility to extend a layer 2 network with VXLAN over a WAN connection and second to show the configuration of two VSR routers creating an IPSec tunnel with one router being on a dynamic IP address. The reason for me, to … Read more

Development Environment for an Internal Application for the HPE VAN SDN Controller

Reading Time: 7 minutes In this post, I would like to describe the steps needed to set up an development environment for an internal application for the HPE VAN SDN controller. My aim is to use this environment to start writing a simple application for the HPE VAN SDN controller later on. I will use Ubuntu as the development … Read more

Install a Minimal Ubuntu

Reading Time: 2 minutes In this post I will cover the question around a minimal Ubuntu installation. For the background, I was trying to find a way to install Ubuntu without all the additional software which comes with the default installation. I’m always a fan of starting with the minimal installation and add software as needed. It turns out, … Read more

VXLAN: Implementation

Reading Time: 8 minutes This post will describe one option to implement a VXLAN enabled fabric. I will use VSR router to create the fabric and create the overlay using VXLAN. I already gave a general overview about VXLAN in an earlier post here:VXLAN: What is VXLAN VXLAN Implementation Introduction Before I will start to describe the configuration I … Read more

Traffic Capture with VMWare ESXi

Reading Time: 5 minutes My plan is to blog more about solutions and how to configure them and show how the packets look like. As I haven’t plenty of hardware I will use VMWare ESXi to simulate most of the stuff using HPE VSR routers. Therefore I was looking for a way to capture traffic of a specific VM … Read more

VXLAN: What is VXLAN

Reading Time: 5 minutes In this post I would like to talk about VXLAN, what it is and what you can do with VXLAN. In later posts I will show some use cases for VXLAN. What is VXLAN VXLAN was designed by VMWare and is documented in RFC7348. The abbreviation VXLAN means Virtual Extensible Local Area Network and mainly provides a MAC-in-IP encapsulation. Doing this, … Read more

Changes

Reading Time: 2 minutes As you already noticed, I migrated the blog to a new platform. The blog is now hosted at blogger.com and I will explain why: It took to much time to maintain the server and the blog itself, keeping it up to date and so on, that I had no time to write posts. I do … Read more

HowTo: Setup an OpenVPN Server

Reading Time: 8 minutes This time, I would like to describe how I setup my OpenVPN server at home. I use this server to tunnel my traffic home, when using an open Wifi network at hotels or airports, to make sure, my traffic is encrypted. I also use the tunnel. to get access to my mail server when being … Read more