"The network is vast and infinite" – Motoko Kusanagi
In this tutorial series, I will show you by example, how to build your first external REST API based SDN application for HP SDN VAN controller, with web interface for … Read More
In this tutorial series, I will show you by example, how to build your first external REST API based SDN application for HP SDN VAN controller, with web interface for … Read More
A few months back my wife started a small business. Of course I was the one to build the “IT stuff” here that included a website, some reservation system on … Read More
In this article, I will show how to do a very simple auto-scaling system on eucalyptus cloud using the wonderful eucalyptus fast start image. Afterwards you will appreciate how easy … Read More
Hewlett-Packard (HP) is a long enterprise supporter of cloud technologies and early this year, they released publicly HP Helion Community Edition (CE). HP Helion is HP’s OpenStack based cloud system … Read More
The situation is very simple, you are away from home (imagine visiting a friend or being at work), but you desperately would like to access your internal LAN FTP/Samba/etc… , … Read More
So, HP has made one if its significant moves last November (2013) with the first public release of their OpenFlow based SDN VAN Controller 2.0. And because you can download … Read More
So I finally had a project with Cisco Nexus switches to finally get hands on experience on these boxes. I am no longer a fanboy of Cisco, so just practically, … Read More
With Raspberry PI, a very great microPC platform that started a trend of its own with two million RasberyPIs sold, a new market has emerged calling for microPC segment companies to compete. … Read More
There are two protections that your Wi-Fi has to limit it’s maximum power output to a legal value (100mW for example). First is the Wi-Fi interface internal HW limit. But … Read More
On my home network (that you might have noticed in older articles), I own a very nice Mikrotik/RoaterBoard RB450 router. I have an external public IP address that I recieve … Read More
In the previous post here, I quickly showed the historical protection mechanism called WEP, its weaknesses and how to quickly crack it. The practical result of that problem is that … Read More
Many of us own a Wi-Fi network at home. It is great, convenient and no cables! When this technology first came to existence there were several competitors available as well … Read More
MPLS L3 VPN are a common standard in every bigger ISP or Datacenter for many years now and most of us know the basic principles and have experience configuring this … Read More
When Wikipedia became mainstream, everyone was talking about revolution in knowledge and overall transformation of access to information for free to everyone. And indeed this was revolutionary, Wikipedia today hold … Read More
Following previous part 1 article of this IOS XR guide that presented basic examples for IOS XR on most CCNA level technologies, this post will continue and give the basics … Read More
If you ever hosted any internet service at home and/or had some network application using your Internet connection upload and disturbing your other activities, one very common example (but not … Read More
In this article, I will show you how to create a redundant Apache/MySQL cluster. I personally used this on two Raspberry PI to had them in redundancy and have load-balanced … Read More
This is first part of a tutorial how to achieve load-balancing of a service on two servers. In this part we will focus on the network side and I will … Read More
And yes, complete tutorial for web/MySQL event driven synchronization for Master-Master replication without conflicts coming soon! I will also include a guide how to turn your home Mikrotik router on … Read More
In this article we will have a quick look at all basic MPLS L2 VPNs (CCC/Martini/Kompella) and also one that is by far the most coolest, the VPLS (or sometimes … Read More
Ever wanted quick reference for IOS XR in basic security, configuration committing, RIP, OSPF, EIGRP, IS-IS, IPv6 and comparisons with classic IOS? It’s right here fore you. There is not … Read More
This is a dynamically expanded article where I will collect basic theory information about IPv6 for quick reference to myself. This article will expand as I encounter new information about … Read More
Long story short, I am a heavy and very happy both iPhone/iPad and Mikrotik/RouterBoard home router user for about five years now and in this quick how-to I will show … Read More
![[minipost] Mikrotik/RouterBoard port-knocking example for firewall/NAT openings](https://networkgeekstuff.com/wp-content/uploads/2014/06/Mikrotik_port_knocking_thumbnail.png)
![[minipost] Mikrotik scripting: Monitoring interface IP for changes](https://networkgeekstuff.com/wp-content/uploads/2013/08/Thumbnail.png)
![[minipost] Coursera.org, the free and online way to learn on a colledge level?](https://networkgeekstuff.com/wp-content/uploads/2013/04/thumbnail.png)
![[minipost] Mikrotik QoS Prioritization Example](https://networkgeekstuff.com/wp-content/uploads/2013/01/Thumbnail1.png)
