Author Archives: Colin Lynch

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About Colin Lynch

Technical Architect and Data Center Subject Matter Expert. I do not work or speak for Cisco or any other vendor.

My Journey with VMware NSX

Posted on April 18, 2017 by Colin Lynch

A few times recently I have been asked how I went about expanding my skill set to include software defined networking solutions after being a “traditional networker” for the past 20 years. So here is my story so far. Three … Continue reading →

Posted in SDN, VMware NSX | Tagged , , , , | Leave a comment

Introducing Cisco UCS S-Series

Posted on November 1, 2016 by Colin Lynch

Today Cisco announced the Cisco UCS S Series line of storage servers. Now the more eagle eyed among you may think that the new Cisco UCS S3260 Storage Server looks very much like the Cisco UCS C3260 Rack server (Colusa), … Continue reading →

Posted in Product Updates | Tagged , , , , , , , , , , , , , , , , | 4 Comments

Want a Time Machine for your Datacenter?

Posted on June 15, 2016 by Colin Lynch

What’s that server doing? Like me, you’ve probably been asked that question many times, usually when looking at reclaiming resources, planning migrations or simply enforcing your company’s security policy. And if the answers to the above questions cannot be answered … Continue reading →

Posted in Complimentary Technologies | Tagged , , , , , , , , , , , , , , , , , | 4 Comments

Sizing your Cisco HyperFlex Cluster

Posted on March 24, 2016 by Colin Lynch

  Update 31st July 2018 Since my post below, Cisco have released a Hyperflex profiler and sizer tool, for more info of where to get it and how to install and use it, refer to the below video by Joost … Continue reading →

Posted in HyperFlex | Tagged , , , , , , , , | 5 Comments

Cisco HyperFlexes its muscles.

Posted on March 1, 2016 by Colin Lynch

If “Software Defined X” has been the hot topic over the last couple of years then “Hyperconvergence” is certainly set to be one of the hottest topics of 2016, like most buzzwords it’s a very overused term, the word even has “hype” in the … Continue reading →

Posted in HyperFlex | Tagged , , , , , , , , , , , , , , | 9 Comments

Cisco UCS Generation 3 First Look.

Posted on February 2, 2016 by Colin Lynch

I noticed last week that Cisco have just released the eagerly awaited Cisco UCS 3.1 code “Granada” on CCO. Whenever a major or a minor code drop appears the first thing I always do is read the  Release Notes , to see … Continue reading →

Posted in Product Updates | Tagged , , , , , , , , , , , , , | 21 Comments

CCIE Program Refresh, My thoughts.

Posted on November 19, 2015 by Colin Lynch

The world of technology as we know is changing fast, faster than many predicted. This is certainly true in the data center. In the “Old days” (more than 3 years ago) most of my time was spent evangelising a particular … Continue reading →

Posted in CCIE DC, Cisco Champion, SDN | Tagged , , , , , , , , , , , , | 3 Comments

Why did “Renaming” an unused VLAN bring down my entire production management environment?

Posted on October 27, 2015 by Colin Lynch

Why did “Renaming” an unused VLAN bring down my entire production Cisco UCS management environment? Continue reading →

Posted in General | Tagged , , , , , , , , , , | 10 Comments

Cisco UCS Integration with Cisco ACI (Manual Method)

Posted on July 6, 2015 by Colin Lynch

This video gives a complete walkthrough of configuring a Cisco UCS domain into a Cisco ACI Fabric, and then extending the Cisco ACI Policy into a VMware vSphere environment within that UCS infrastructure. There has also been an update to … Continue reading →

Posted in Cisco ACI | Tagged , , , , , , , | 3 Comments

Where’s the Tyrrel gone?

Posted on January 8, 2015 by Colin Lynch

Those that know me, will be well aware that I’m no stranger to the inside of a saloon, and it was during one of these evenings that I got into a debate on Formula 1, now I don’t really follow … Continue reading →

Posted in SDN | Tagged , , | 5 Comments