Snippet posts

December 28, 2010 · by · in

Just as a quick note that over the next few months I will be posting a number of ‘snippet’ posts on various technologies and things that I have learned. I have decided to call them snippet posts as they will not be technical posts on how said technologies work at a deep level, rather an overview of what they do and how to configure/use them on the Cisco platform. I will also be trying to post some more technical articles on some things, these may be in the way of…

Snippet: BGP as a non-transit AS

Snippet: BGP as a non-transit AS

December 28, 2010 · by · in , , , , ,

In the example below we have three BGP autonomous systems (AS1, AS2 and AS3) each with one router in it. In this example assume that AS3 is a customer of AS1 and AS2 and is multihoming their connection with the two upstream providers for redundancy if one of the providers was to fail. In its default configuration BGP will re-advertise any routes advertised into the AS to all other peers, this means that if route x.x.x.x/24 was advertised to AS3 from AS2 then AS3 would advertise that route back out…

CCNP TSHOOT Complete… CCNP done!

December 14, 2010 · by · in , , , , ,

Well I know it was only a week ago that I did the SWITCH but after initially looking over the TSHOOT material I started to think that this was definitely going to be the easiest of the three certifications. In my day-job I do a lot of troubleshooting so my kind of mindset for the exam was already partially there, that coupled with the fact that it has been less than 6-months since I have done my ROUTE and SWITCH means that a lot of the things you learned whilst…

SWITCH – Passed

December 7, 2010 · by · in , , , ,

Well I am a little behind schedule (I said that I wanted to complete SWITCH by mid November) but hey at least I got it done in the right year (just!) I took the CCNP SWITCH exam earlier today and passed by a decent amount, it was the first time I attempted the exam so that pleased me (and my wallet) as it took me a couple of times to pass the ROUTE exam. At the moment I am intending to dive straight in and not take a break before…