Recent Posts - page 13
-
CCIE/CCDE Re-certification: An Opportunity to Learn and Grow
I did not pass my CCDE re-certification last week. Why write a blog about a “failure”? Honestly? Because I think we as an IT industry overly focus and give too many kudos to the passing only. Not to the hours… Read More ›
-
CCIE/CCDE Re-certification Time Again – Go for it? … or Emeritus?
It is “that” time again. Time to start studying for one of the CCxE (CCIE/CCDE) re-certifications. Got my 1st CCIE back in 1997. A couple years later my CCIE SNA/IP. Then back in 2009 I passed my “favorite E” –… Read More ›
-
Fun in the Lab: IWAN, LiveAction, Prime, UDP Director
Okay… so just some major geeky fun in the lab. I had lots of fun doing it… so why not share it with you and let you in on some geeky fun? Thirty-eight minute YouTube with a PDF guide book…. Read More ›
-
WAN Impairment/WAN Emulator with WAN Bridge
Playing in the lab and want to impair a link with delay or loss? 🙂 I use WAN Bridge – its simple and free. So say I’m testing an SD-WAN brownout/impairment avoidance solution in my lab. For example, Cisco’s IWAN. … Read More ›
-
Fun in the Lab: Setting up 3 Phones – Part 2 Licensing
When we left me at the end of Fun in the Lab: Setting up 3 Phones – Part 1 Prep Work …. (1) I had cloned an already existing CUCM VM and (2) I was stuck on the CUCM Licensing… Read More ›
-
Fun in the Lab: Setting up 3 Phones – Part 1 Prep Work
-
Thinking Out Loud: My Career Planning
On average I usually think about my career at least 1 time every year and do an honest and deep “career inventory taking”. More often (sometimes 2-3 times a year) if my job or environment is changing a lot. Are… Read More ›
Featured Categories
Network Detective ›
-
Tips from a Network Detective
April 12, 2021
-
Troubleshooting Basic MPLS L3VPN – Part 2 – MPLS
February 23, 2021
BGP ›
-
BGP Graceful Restart on the Cisco FTD: Part 2 – Seeing it “In Action”
May 17, 2022
-
BGP Graceful Restart on the Cisco FTD: Part 1 – Configuring
May 17, 2022
Multicast ›
-
mVPN Fun in the Lab: Troubleshooting the MVPN Cloud – Part 6 of 6
March 29, 2019
-
Network Detective Ride-Along: Troubleshooting Multicast
May 27, 2018
IPv6 ›
-
Understanding IPv6: Solicited-Node Multicast In Action (Part 7 of 7)
February 22, 2018
-
Understanding IPv6: The Ping Before Solicited-Node Multicast (Part 6 of 7)
February 22, 2018
MPLS ›
-
Troubleshooting Basic MPLS L3VPN – Part 1 – BGP
February 23, 2021
-
The “Case of the Broken MPLS L3VPN” – Time to Troubleshoot!
April 11, 2019