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Author: jordan.martin

Using Cisco TCL To Automate Lab Resets

I have been logging a considerable amount of time behind the Cisco IOS CLI lately while working towards my CCIE R/S lab. I am lucky enough to have access to my own lab hardware for study but one of the things I identified fairly quickly was that resetting my devices between labs was taking a considerable amount of time. This time is non-productive as it isn’t being applied to learning new technologies but rather to the “process” of getting set up. I needed to find a way to quickly get all my devices back to a base configuration without expending a lot of time and effort. Here is what I came up with utilizing the TCL scripting engine on Cisco devices.

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Cisco Live 2012 – Schedule


I just received the official word last week that I will be attending Cisco Live 2012 in San Diego, CA this year.  This is a conference that I have been looking to attend for some time now so I am excited to finally be able to take part in it.  I figured I would post my schedule on here for the generally curious and in the off chance that someone reading this might want to connect while there.

Cisco Live USA 2012

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Stacking Dell PowerConnect M8024-k 10Gb Switches

Dell PowerConnect m8024-kI am currently building out a Dell m1000e blade chassis for a new datacenter build and ran across a problem that was far more difficult than necessary due to a lack of decent documentation.  One of the fabrics in the blade enclosure contains Dell M8024-k 10Gb/s PowerConnect switches.  These switches had a recent firmware release that enabled stacking functionality similar to what is capable with Cisco 3750 switches, but instead of using a special stacking cable, these switches will stack with any number of standard 10Gb/s ethernet connections.  This was ideal for our situation as the upstream equipment we are connecting to is a pair of Nexus 5548s and we were particularly interested in using vPC for the connectivity to the chassis.  After multiple failed attempts, and several conversations with Dell engineers, I have found the correct process for configuring these switches for stacking.

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