Hitting 100% CPU after restore on Firepower Management Center

I recently purchased a new microserver to reduce my power footprint at home. And I had to move the FMC (Firepower Management Center) from the OpenStack deployment that I previously ran at home. However, I ran into several bugs in OpenStack that were fixed in later versions, but I couldn’t upgrade because of another bug. Essentially I hit a catch-22 and had to deploy a new FMC on that new microserver and use a restore to move the data and policies. In that process I did hit a bug for which I’d like to share some info on. (more…)

The Five on.. “Cisco Champion”

The Five on.. “Cisco Champion”

Welcome Pieter-Jan to the first “The five on…” session. In The Five on I will ask you five questions on a specific topic. You are now a Cisco Champion for 2 years, aren’t you? I would like to ask you some questions on the program and your experiences. (more…)

Updating DNA-Center experiences

Updating DNA-Center experiences

So I am in the lucky position that in the past few weeks I’ve been working with the DNA-Center solution in different ways in a primarily automation focused project. One of the new philosophies of the Cisco DNA-C BU is to deliver updates more frequently and in a micro-update based strategy. E.g. if a package has a bug, only that package can be updated, on the fly. So DNA-Center needs to have a connection to the Internet. And it’s time to share my experiences. (more…)

Intent Based Networking is a journey: Tip #1

Intent Based Networking is a journey: Tip #1

In a previous blog post I explained that Intent Based Networking not only intoduces new technology but that it also requires change in the way we operate network infrastructures. And that it is in fact a journey, but how do you get started on that journey? With your existing network infrastructure? It’s impossible to throw away every piece of equiment and design and start greenfield.

(more…)