Category Archives: Routing

Hacking the 7926G Getting Started

The past month I have been writing midlets for the 7926G Cisco IP phone. The interesting aspect of this phone for the hospital is that it has a barcode scanner built into the end of the phone. All of our … Continue reading

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Virtual Switching System (VSS)

This post was tedious in the formatting and was one of the reasons I put off posting it. The notes were taken months ago put I was weary of posting it because of the time involved in formatting it. As … Continue reading

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TSHOOT Tickets

I took and did not pass my TSHOOT exam last week. Bummer. I had not studied specifically for the test very hard. In my mind I had already started thinking about the CCIE written and even started doing the “easy” … Continue reading

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EIGRP MPLS VPN PE-CE SOO

I couldn’t resist using all of those acronyms. EIGRP – Enhanced Interior Gateway Routing Protocol MPLS – Multiprotocol Label Switching VPN – Virtual Private Networking PE-CE – Provider Equipment – Customer Equipment SOO – Site Of Origin MPLS SOO MPLS … Continue reading

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Routing Mnemonics

I’ve been keeping track of some the mnemonics that I have come across or have figured out for myself. For instance in general, in layer 2 elections the lower priority usually wins, however, in layer 3 elections the higher priority … Continue reading

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Script to Edit GNS3 Topology Files

I have recently been doing more of the GNS3Vault labs and have gotten tired of changing the image name each time I do a lab. The script below is the result. I just change into the directory where the topology.net … Continue reading

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Multicast Coolness

It’s amazing what passes for “cool” when you spend your days and nights staring at router configurations. The last two nights I have been working on a very simple sparse-dense lab that had been causing me problems. I finally figured … Continue reading

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Another Test Lab Script

I’m sorry that all of these TestLab scripts are a recurring theme. Work purchased four 3560s and two 1841s for the lab so I have been updating all of my scripts. When I was working on the lab I kept … Continue reading

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Perfect

I passed TShoot and finished my CCNP. I’m actually a little embarrassed by my score. I haven’t made 100% on a test since my freshman year in college and got straight A’s. I’m afraid to say too much because of … Continue reading

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Troubleshooting Toolbox

Let me start by what this chapter does not include, a nice set of filters for common show commands that will help you find the most pertinent information quickly. I think every networker has some of their favorite commands such … Continue reading

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