A few weeks ago on the 3^rd of September it was exactly 1 year ago I received my digits. In this article I would like to tell you how the last year was and how the CCIE changed my life completely!

I took the exam in San Jose, CA. Mainly because I was in the US a couple weeks for studying and vacation. During my studies there I felt really good about my level and really had the feeling I was in ‘the zone’. It was in the time that you could still reschedule your exam 30 days before instead of the current 90 days.  With that 30 day limit I was just within reach of rescheduling my exam to about 5 days after I finished the bootcamp I did.

I took a couple days off and did some really touristic stuff and really had a good time in San Francisco. After a good day in the Cisco Building C in San Jose I went home with a very neutral feeling. At 11.30pm I got the e-mail. YES I passed, #21946.

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As of the version 4.0 blueprint OER/PfR is now being tested in the CCIE Routing & Switching lab exam. Since IOS release 12.4T Cisco renamed the technology previously called OER (Optimized Edge Routing) to PfR (Cisco Performance Routing). In the rest of this article and series the term PfR is used. The current command set is still using ‘oer’ but Cisco announced that this will become deprecated at some time.

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One of the topics on the CCIE Service Provider blueprint is MPLS Traffic Engineering, also called TE. This technology was developed even earlier than L3VPN and was the first ‘feature’ based on label switching. The main advantage of TE is that you can prefer a path throughout the network that’s not chosen by an IGP or something else. By giving the tunnel specific priorities, like Bryan Bartik explained earlier (http://ipexpert.ccieblog.com/2009/05/27/mpls-te-bandwidth-and-priority/), you can ensure the path is given preference or even taken down when other ‘more important’ tunnels have better priority values.

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As everyone is fighting for the last available seats to do the R&S v3.0 exam, it’s getting time to get prepared for the new v4.0 blueprint.

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