Author Archives: Jeff

MPLS Basics

MPLS Study Notes Terminology Penultimate Hop Popping RFC 3031 Multiprotcol Transport diff payloads -Ethernet, FRLY, ATM,IPv4, IPv6 Layer 3 MPLS VPN (RFC2547) will be the focus of the 4.0 R&S Exam. Label Switching Labels used to route(switch)traffic instead of normal … Continue reading

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High CPU on a Catalyst switch running IOS

This is the troubleshooting process you can take to solve High CPU problems in your network.  The root cause is always something different, but the steps are mostly the same. High CPU since Market open…. C6500#show ver System image file … Continue reading

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Beaufort, NC

This past week my wife and  I took a short 4 day vacation to the NC coast to a little town called Beaufort.  We had a great time.  Beaufort is a wonderful place to vacation whether you want to just … Continue reading

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Marathon Training Week 9

So I am in my ninth week of training for the Marine Corps Marathon. I just hopped on the scale and was pleasantly surprised to see that I have dropped nearly 10 pounds!!  Woohoo!  I have had little to no … Continue reading

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So you want to Build your own CCIE Lab Rack

Building your own CCIE Lab Rack can be a daunting task if you’re not sure how to get started. Hopefully this will provide you a blueprint of what you will need and how to set up correctly so you can … Continue reading

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Setting up a TCL(pronounced as “tickle”) script for CCIE Lab troubleshooting

TCL shell is available on Cisco IOS release 12.3(2)T and later.  So, you can run this on your routers but NOT on your switches.  This is a great tool, especially during Lab/simulation.  You will want to verify connectivity on your … Continue reading

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Keeping a Training Log for your Marathon Training

I’ve been using Training logs for as long as I can remember.  They are a great way to keep you motivated, measure your progress, or just to stay organized. There’s really no correct way to set up a training log, … Continue reading

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How to make your own Ethernet Network cables

If you are planning to build your own CCIE Lab rack, consider making your own network cables.  Making your own network cables is a good way to save money if you need to make a lot of them.  At $7 … Continue reading

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The Bonk

At some point in every runners life you will experience what can only be described as a Bonk!  This is simply “a condition in endurance sports where depletion of glycogen stores in the liver and muscles results in sudden and … Continue reading

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Marathon Training Schedule for busy people

If you’re like most people, you find it hard to find time to train during the week, with the demands from work, life, family, etc.  Once you have committed to running a marathon, you need to tell people about it.  … Continue reading

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