CiscoLive 2014: Best Cisco Live Ever!

"Summer Camp for IT Geeks"

05/27/2014

Cisco Live 2014: Dipping my Toes into the Social Side of Cisco Live

New to CiscoLive? At some point we all were there.  The mixture of emotions, of course, is different for everyone.  For me?  Crazy excitement coupled with a huge dose of adrenalin and fear.Why? Not only was Networkers 2006 going to...

04/12/2014

2014: The year of IPv6

IPv6 is #1, #2, and #3 on my technical "to do list" for 2014.  This is, for me, the year for IPv6.  Why IPv6 when there are so very many "exciting buzzward acronyms" out there right now? Because it is time.  In the lab where I work...

02/25/2014

Cisco Live Classes for FREE!

Tons of IT Training at your fingertips for free today with CiscoLive 365

11/11/2013

Cisco Live Distinguished Speaker Hall of Fame: First Female Inductee

“The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.” ~William Arthur WardShelly is one of those "great teachers that inspire"!!   Truth be told I would never have...

08/26/2013

Router IDs and the 7Ps

I'd like to pass a gift along that my Dad gave me.  The gift of the "7Ps".    What are the 7Ps and what do they have to do with Router IDs?The "7 Ps"The 7Ps apparently started off (according to wikipedia) as a British Military adage....

08/17/2013

Cisco Live Distinguished Speaker Hall of Fame: First Inductees

"The average teacher explains complexity; the gifted teacher reveals simplicity."  ~Robert BraultThe "gifted" teacher.  It is always, for me, such a pleasure and a joy to meet one of these special and rare people.  You can tell when...

07/10/2013

Clearing Up Some Misinformation RE: eBGP Multihop and TTL

Last week I was at Cisco Live in Orlando and met, yet again, some people that had been taught one must set the TTL to 2 for two directly connected routers to be able to eBGP peer between their loopbacks because the TTL "gets...

06/30/2013

Every Network Failure Should Be Used to Improve the Network

Let's accept reality. A network is so much more than just the sum of its electronic parts, operating systems, and configurations. It is an extension of the past and the present of our company. Much like the growth rings of a tree, we...

06/12/2013

Cisco Overlay Transport Virtualization (OTV): A Little Fun in the Lab

Recently, I’ve done a few labs with OTV in them. Each time, however, I had an OTV SME (subject matter expert) in the lab with me. They configured it and it just “worked magically." No hiccups. No gotchas.I really don’t seem to learn...

06/03/2013

Hitchhiker’s Guide to Troubleshooting IPv6

Mark your calendars! February 12th. That is when the CiscoLive Orlando session catalog goes live. And I have to say I’m stoked!! I’m stoked for you, and I’m stoked for me.Why? Because I’m so pumped about a bunch of the new...

01/24/2013

Wireshark Certified Network Analyst: Taking my Wireshark Knowledge to the 'Next Level'

It all started a little over two years ago. I was doing my usual "Cisco Lab Rat" type job and had some customers in the room. There was a concept I was trying to explain so I did a quick sniffer capture and then used Wireshark to...

11/25/2012

The Network Diagram

Put your detective hat on your head and your Network Operational Investigator badge on your lapel.  It’s time for another entry to the Network Operational Investigating 101 subseries (NOI-101 for short).  Today we are going to talk...

08/25/2012

Network Operational Investigating 101 (NOI-101): A new Cisco Lab Rat subseries

Put your detective hat on your head and your Network Operational Investigator badge on your lapel.  It’s time for a new subseries – Network Operational Investigating 101, NOI-101 for short.  This series will focus on the detective...

07/09/2012

Bidirectional Forwarding Detection (BFD) – A Little About Timers

Two weeks ago I taught Routed Fast Convergence and High Availabilty at CiscoLive US in SanDiego.  it always surprises me how few hands get raised when I ask how many people know about BFD.  With BFD OTV coming out… and BFD MPLS...

06/25/2012

Bidirectional Forwarding Detection (BFD) – A Beginning and an Introduction.......

What is Bidirectional Forwarding Detection (BFD)? Why learn about it?  Why use it?  ..... This article is going to be a "beginning"... an "introduction" into Bidirectional Forwarding Detection.  First we will look at what it is and...

06/23/2012

Decision Making Time! - CiscoLive 2012

First, I have to lead off saying that I LOVE CiscoLive!!  Yes, I work at Cisco...... Yes, I am a speaker at CiscoLive...... Yes, I'm even a Session General Manager for session groups RST (routing and switching) and IPM (multicast).  ...

04/19/2012

Understanding the BGP Table Version - Part 2: More Introduction to BGP Table Version

This is the 2nd post in the 3 part series of "Understanding the BGP Table Version".  Please visit http://www.networkworld.com/community/node/80089 to review part 1.  Last we left our network, we had the below 3 routers and a BGP...

03/22/2012

Understanding the BGP Table Version - Part 1: Introduction to BGP Table Version

I cannot honestly imagine troubleshooting BGP without understanding the BGP table version.  I use it all the time.  Sometimes it is just a quick "eyeballing" of it to check to see if all the BGP table versions are in sync.... or if...

03/20/2012

Prepping for the CCDE Practical

Ever since I passed my CCDE, I get emails from random people, some I know and some I don't know.  The wording can be different, but the essence of the email is always the same - "How does one study for the CCDE"? When I got the first...

01/22/2012

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