VTP: Why I hate it (and you should too)
I made a stupid, stupid error this week. The task was simple; replace a misbehaving switch with something a little newer and more robust. How hard could that be? …
Learning SD-WAN with Cisco
The latest book has now been released! Learning SD-WAN with Cisco takes you through the creation of a complete SD-WAN network, comprising three sites (one HQ and two regional …
IGPs update
The IGPs book is well underway, and I am really pleased with how it’s shaping up. I have finished the first draft of the chapter on RIP and am …
CCNP Data Center reading list 2020
As of February 24th, 2020, the old Cisco exams go bye-bye and we herald a new era of examinations. This is across every track. Some of these changes are …
High Availability configuration on Palo Alto firewalls
In this post, I will be walking through configuring Palo Alto High Availability. I will cover setting up failure conditions in a separate post. We have a pair of …