In the last blog – “MPLS L3VPN: Label Following Fun with Fish” and its corresponding YouTube show and tell we basically set the stage for this blog and YouTube. 🙂 Last we left our environment, we saw a successful ping… Read More ›
Troubleshooting
Understanding the BGP Table Version – Part 3: Troubleshooting
More on BGP Table Version – the most unknown and unexplained, BGP concept/value that I rarely ever troubleshoot without This is part 3 and final post in the 3 part series of “Understanding the BGP Table Version”. If you haven’t… Read More ›
The Case of the Missing LDP Neighbor
R1 and R2 are cabled up twice to each other via their gig0/0/1 interfaces and their gig0/0/7 interfaces. Each connection is in its own subnet, and each interface configured for OSPF and MPLS. But while we have 2 OSPF neighbors… Read More ›
Knowledge of the “Truths in Your Network” is KEY
I am a huge believer in “knowledge is key”. Yeah… I know… just reading that statement you are probably saying “well yeah… duh”. Of course knowledge is key… duh, Fish! We know that! We love knowledge. We are knowledge seekers… Read More ›
Techniques of a Network Detective: A New Series
Put your detective hat on your head and your Network Detective badge on your lapel. Introducing a new blog series – Techniques of a Network Detective. This series will focus on the detective work (troubleshooting side) of our jobs as… Read More ›
Network Detective Ride-Along: Troubleshooting Multicast
Grab your Network Detective badge! It’s time for another Network Detective ride-along. 🙂 Multicast this time. Case of the Missing Multicast Streams We need to solve the case of the missing Multicast streams. ONLY 2 multicast streams (232.2.1.1 and… Read More ›
The Case of the Flapping BGP Routes: A Network Detective Ride-Along
Let’s go on a Network Detective Ride-Along together! 🙂 YouTube Style! Case open to case closed in less than 15 minutes. You ride along! Below you will find the link to the troubleshooting ride-along as well as 3 very helpful… Read More ›