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.

Unification Part 2: FCoE Demystified

Posted on September 3, 2014 by Colin Lynch

As promised here is the 2nd part of the Unified Fabric post, where we get under the covers with FCoE. The first and most important thing to clarify is as its name suggests Fibre Channel over Ethernet (FCoE) still uses … Continue reading →

Posted in CCIE DC | Tagged , , , , , , , , , , | 5 Comments

Unification Part 1: The Rise of the Data Centre Admin.

Posted on September 2, 2014 by Colin Lynch

This is the first of a 2-Part Post: Part one is a non-technical primer. Then in part two we have some fun sorting out your LLDP from your DCBX with sprinkles of ETS, covered in a PFC sauce topped off … Continue reading →

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OTV doesn’t kill people, people kill people.

Posted on July 28, 2014 by Colin Lynch

I was designing a Datacentre migration for one of our clients, they have two DC’s 10km apart connected with some dark fibre. Both DC’s were in the south of England but the client needed to vacate the current buildings and … Continue reading →

Posted in CCIE DC | Tagged , , , , , , , | 1 Comment

Cisco UCS has had a baby (Mother and Daughterboard doing well)

Posted on July 22, 2014 by Colin Lynch

As many of you know I am now in full CCIE Datacenter study mode, and as such, I never seem to have as much time to blog and answer posted questions as I would like. However I felt compelled to … Continue reading →

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The King is Dead, Long live the King!

Posted on June 4, 2014 by Colin Lynch

Huge congratulations to Cisco for achieving number 1 in the x86 blade server market in only 5 Years since launch. According to the latest IDC worldwide quarterly Server Tracker (2014 Q1) Cisco UCS which turned 5 years old this year … Continue reading →

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#EngineersUnplugged ACI Edition with Colin Lynch and Hal Rottenburg

Posted on March 12, 2014 by Colin Lynch
Posted in SDN | Tagged , , , , | 2 Comments

Colin Lynch and Joe Onisick Talk Cisco ACI

Posted on March 11, 2014 by Colin Lynch

Listen to Cisco Champion radio with Joe Onisick @jonisick and Colin Lynch @UCSguru on Cisco ACI and Nexus 9000 hosted by Amy Lewis @CommsNinja http://recordings.talkshoe.com/TC-132150/TS-828758.mp3

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Behind The Cisco Service Request

Posted on March 10, 2014 by Colin Lynch

Ever wondered who’s on the other end of your Cisco Service Request? well wonder no more as I put on my CiscoChampion hat and play journalist for the week at Cisco Live Milan https://www.youtube.com/watch?v=YHGcr1Cg9Og

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The SDN Meteor is coming

Posted on February 15, 2014 by Colin Lynch

When you next look up at the night sky, you may see a bright spec in the distance, and that bright spec is set to get a lot brighter. The spec of which I speak is Software Defined Networking (SDN) … Continue reading →

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Cols Guide to… VXLAN

Posted on February 9, 2014 by Colin Lynch

Your indispensible guides to making your IT life simpler. So what is VXLAN and why do we need it? Well put simply it’s VLAN with an X in the middle 🙂 the X standing for eXtensible. VXLAN was a joint … Continue reading →

Posted in SDN | Tagged , , , , , , | 3 Comments