For over 30 years I’ve been in the playing in the “world of IT” and wow has that world changed a great deal in those years. But through all that change, there has been a thread, for me, that has always remained… Read More ›
Troubleshooting
Troubleshooting Basic MPLS L3VPN – Part 2 – MPLS
Ready for part 2 of our Network Detective MPLS L3VPN Ride-Along? In part 1 we were presented with the “Case of the Failed L3VPN Ping”. We started, like any ping troubleshooting, on the IP subnets themselves – do they exist in the… Read More ›
Troubleshooting Basic MPLS L3VPN – Part 1 – BGP
Time for a little more fun in the Network Detective series! Today’s “Network Detective Ride-Along” will bring us into the config setup of someone very new to MPLS L3VPNs. As we go along remember the Network Detective Mantra “Be Prepared,… Read More ›
Network Detective Series: Troubleshooting Method Ride-A-Long
“Hey Fish, how good are you at BFD? None of my BFD neighbors will come up.” Two simple sentences and I am “hooked.” I love troubleshooting! Troubleshooting is just a blast for me! It’s like being a Network Detective trying… Read More ›
Router-IDs and the “7Ps”
In honor of Father’s Day coming up soon… I’d like to pass a gift along that my Dad gave me. The gift of the “7Ps”. The “7 Ps” The 7Ps apparently started off (according to wikipedia) as a British… Read More ›
The “Case of the Broken MPLS L3VPN” – Time to Troubleshoot!
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 ›
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 ›