OSPF Authentication – Part 1

ospf authentication blog post topology

There are three types of OSPF authentication. Type 1 – no authentication Type 2 – clear text Type 3 – cryptographic (MD5 or SHA) Lets explore each type in a lot more detail and then look at the router configuration for some real world examples. Authentication can be configured on a per area or per… [Read More]

The Most Important Skill to learn for 2015

Focus the key to passing the ccie lab exam

In this ever advancing world of technology there has never been a better time to be able to get things done anywhere, but there has also never been so many distractions stopping you getting things done. With the constant connectivity to the internet, facebook, twitter, etc etc we are now absorbing more information every hour… [Read More]

The Roost Stand Discount Code

portable laptop stand the foldable rooststand

Since my first post on the Roost Stand I have been overwhelmed with comments on my new portable laptop stand the biggest one is where did you buy it from? The great guys at Roost have given me a Roost Stand Discount Code that you can use at the checkout to get a 10% discount. If… [Read More]

Should you run OSPF over DMVPN?

You may have heard that you should not run OSPF over DMVPN but do you actually know why? There is actually no technical reason why you cannot run OSPF over DMVPN but it does not scale very well. So why is that? The reason is that OSPF is a link state protocol so each spoke… [Read More]

CCIE Video – from Alexandre Vasseur

I do not know anything about Alexandre Vasseur except for the fact that he has passed his CCIE Lab exam and has made this amazing video to celebrate that fact. We all need small things to keep us motivated along the journey and this video is one of those. Watch the video and feel empowered… [Read More]

CCIE Version 5 here I come

Well I am sad to say that I did not get my digits at my last attempt at the CCIE Lab exam. Everything was in place I had prepared well, I went to the NH Airport Hotel a day early so had an extra nights sleep. But on the day the TS got me again… [Read More]