Manually installing a (persistent) Firewall Rule to allow IPFIX on the ESX Host

On August 25, 2016, in Network Management, Virtualisation, by Iwan Hoogendoorn

Hey, I have been playing around with vRNI last week and before I am going to write an article about some use cases and about the features I am first going to tell you what I had to do to actually make it work. Detailed steps for this exercise are found on my wiki because […]

 

Getting started with vRealize Network Insight / Arkin (Installation & Configuration)

On August 18, 2016, in Data Center, Infrastructure, Network Management, by Iwan Hoogendoorn

I decided to play around with vRealize Network Insight after reading this article. Detailed steps for this exercise are found on my wiki because I believe this can be better documented in wiki format. Erik Scholten has written a pretty good article on the capabilities of vRealize Network Insight here. The steps for installation are […]

 

Identity Based Firewalling and perquisites needed for NSX 6.2.3 and prior to NSX 6.2.3

On August 11, 2016, in Infrastructure, NSX, Virtualisation, by Iwan Hoogendoorn

Last week I needed to implement Identity based Firewalling for one of my customers. There are plenty of good blogs on how to do this like here, here, here and I even created a video about it myself here. For some reason I could not get it to work… This is the reason why. Prior to NSX 6.2.3. […]

 

PowerNSX: NSX Security Tags, Security Groups, Distributed Firewall Sections and Distributed Firewall Rules with external CSV files

On August 5, 2016, in NSX, VCDX-NV, Virtualisation, by Iwan Hoogendoorn

Last week I blogged about how to get started with PowerNSX. Reason for me to dive into the wonderful world of PowerNSX was because I needed to implement Application Fencing. More about Application Fencing can be found here and here. The whole purpose of implementing Application Fencing is to get visibility what VM / Application is […]

 

Communication Channel Health Check showing down / down

On August 4, 2016, in VCDX-NV, Virtualisation, by Iwan Hoogendoorn

In NSX 6.2 it is possible to do a “Communication Channel Health Check” to see if the NSX manager the Control Plane Agent + Firewall agent connections are “healthy” and up and running. I encountered a problem in my lab environment where I had the problem that both the Plane Agent and the Firewall agent […]

 

Getting started with vSphere PowerShell PowerCLI and PowerNSX – PowerShell extensions for NSX

Last week figured out how to script vSphere related stuff with Python. This week it is time for something new… how can we “script” vSphere stuff using PowerShell and how can we script NSX related stuff in particular. So this is a list of steps (if you are really getting started) that you need to […]

 

Getting started with vSphere and python scripting (pyVmomi)

On July 27, 2016, in Data Center, Infrastructure, Virtualisation, by Iwan Hoogendoorn

During one of my engagements as a Professional Services Consultant I needed to upgrade a vSphere 5.1 environment to vSphere 6. Detailed steps for this exercise are found on my wiki because I believe this can be better documented in wiki format. Not really exciting when you have enough hosts available to play with. But […]

 

Starting my VCDX-NV journey

On July 22, 2016, in Design & Architecture, VCDX-NV, Virtualisation, by Iwan Hoogendoorn

As most of you know for the last couple of years I have been a “networking guy”. Three years ago I suddenly got interested in Virtualization technology and mainly Network Virtualization. One of the commercial products for Network Virtualization is VMware NSX. In my journey learning about NSX I have created a very useful Video […]

 

New CCIE exam policy rules applicable from Aug 1 2014

On April 24, 2014, in CCIE, by Iwan Hoogendoorn

CCIE Written Exam You are now only to allow to do the actual written exam only 4 times per year whether you pass or fail. This is on a “per CCIE track” basis. When you fail the a written exam you now have to wait 15 days in stead of the previous 5 days. CCIE […]

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Finally – Master of (Computer) Science (MSc)

On January 14, 2014, in Personal, by Iwan Hoogendoorn

Well… Its been a while back since you hear from me. It’s always very busy and one of the things that I have een doing is finishing my Masters Degree that I blogged about on 2 September 2011. And guess what?! I am officially a Master of (Computer) Science. In order to be “accepted” to […]

 

Useful files that will help you with your CCIE Data Center studies

On May 7, 2013, in CCIE, Certification, Data Center, by Iwan Hoogendoorn

Hey all, Below you will find some useful files that helped me during my CCIE Data Center studies. I mentioned in my announcement that I passed for the CCIE Data Center lab exam that I am am using a “topic based” approach to study everything that we need to know. Below you will find some […]

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CCIE Video track?

On May 3, 2013, in Certification, Video, by Iwan Hoogendoorn

Hey, Something new, something fun 🙂 I think this is just a matter of time that the CCIE Video track will be released. Cisco released the CCNA Video in January 2013 and see whats missing on the picture below? Yes, CCNP Video and CCIE Video 🙂 No plans yet … but as always … this […]

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Passed the CCIE Data Center (lab) exam …

On April 24, 2013, in Certification, Data Center, by Iwan Hoogendoorn

Hey Guys, Passed CCIE Data Center: “It  always seems impossible until it’s done”  – Nelson Mandela Just wanted to update you trough this post that my journey in achieving the CCIE Certificate just came to an end today. When Cisco announced the CCIE Data Center track in March 2012 I immediately knew that this was […]

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The ultimate CCIE Data Center lab physical cabling topology

On January 5, 2013, in Certification, Data Center, by Iwan Hoogendoorn

Hey all, It’s been a while again that I posted something. I just finished a pretty good and flexible CCIE Data Center cabling topology. This diagram is partly based on the INE diagram that they use for their Nexus bootcamp. I made it a bit more fancy and customized it based on my own lab […]

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The CCIE Data Center online video series

On June 9, 2012, in Certification, Data Center, by Iwan Hoogendoorn

I am happy to announce that I am going to take some time the next couple of weeks, months and maybe years in order to put together some nice practical video’s about the topics that are listed on the CCIE Data Center Lab blueprint. Here you can watch a short intro … stay tuned for […]

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The products used in the Cisco Data Center Architecture

On March 27, 2012, in Certification, Data Center, Storage, Virtualisation, by Iwan Hoogendoorn

  Today’s blog post will be about “the products used in the Cisco Data Center Architecture”. In my previous blog post I explained the Cisco Data Center Architecture and this architecture is build with different components/hardware. Every piece of hardware is there for a reason, because the equipment list of the CCIE Data Center track […]

Cisco Data Center Architecture

On March 23, 2012, in Certification, Data Center, by Iwan Hoogendoorn

As the CCIE Data Center track has been announced a lot of people started to study for this including me 🙂 With all CCIE tracks the first exam that needs to be passed is the Written exam. For the Written Exam there is a separate blueprint, with a lot of topics… I am going to […]

CCIE Datacenter exam now officially announced

On March 20, 2012, in Certification, Data Center, Infrastructure, Personal, Storage, Virtualisation, by Iwan Hoogendoorn

SO I woke up this morning very early and did the usual Facebook and Twitter read in bed and there it was … The CCIE Datacenter track has officially be announced. More information can be found on the website of Cisco itself of course. To summarize,: the Written CCIE Datacenter exam will have exam number […]

The CCIE Datacenter track

On February 23, 2012, in Certification, Data Center, by Iwan Hoogendoorn

Yesterday I was browsing trough my Facebook page and my eye catched a post of FryGuy with a link to his blog with the following header “CCIE Data Center – It Looks To Be Real!” I know that the rumor has been going on for a while … so suddenly I am all focused when […]

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yaDIS demo :-)

On October 28, 2011, in Domotica, by Iwan Hoogendoorn

Hi, I was so happy with the outcome of the yaDIS tool that I decided to create a movie about it and upload it on youtube 🙂 This is my first time actually creating a video … so if my hands were too shaky … sorry for that 🙂 Have fun and enjoy it 🙂

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The Master System and Network Engineering

On September 2, 2011, in UvA, by Iwan Hoogendoorn

I decided to do something else for a change and applied for the University of Amsterdam. Before I was actually admitted I needed to pass 6 tests as part of the Admission Procedure of the faculty. The name of the Master that I admitted to is called “The Master  System Network Engineering” and this Master […]

Playing with a Catalyst 6500 and a WiSM blade

On February 28, 2011, in Certification, Wireless & Radio, by Iwan Hoogendoorn

Hey, Last weekend I did some practicing with a Catalyst 6500 and a WiSM blade. In order to get more comfortable with this I created a few tasks that I think are important for the CCIE Wireless Lab. Below you will find a overview of the questions that I created and you will find a […]

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CCIE Wireless Home Lab

On January 17, 2011, in Certification, Wireless & Radio, by Iwan Hoogendoorn

Today I received equipment that I can use in order to build my CCIE Wireless Lab. The lab is not complete yet … but I can test arround 90% of the Blueprint topics of CCIE Wireless. The only topics that I won’t be able to test/learn are: – VTP – Trunking – HSRP – Dynamic […]

Comic Season 01 – Edition 01

On January 6, 2011, in Funny, Personal, by Iwan Hoogendoorn

I decided to create a few comics together with an old collegue of mine and this is the result of the first episode! Hope you will like it! If so leave a comment!