Understanding BGP – Establishing peering
After some reflection I ve realized that while I ve spent a lot of time talking about BGP in it s many forms I haven t really ever done a deep dive on it.... Read more
Das Blinken Lichten
Networking, Virtualization, Docker, Kubernetes, DevOps, Automation, etc, etc, etc
Latest posts
Packet Actions – Python and Scapy
Hello and welcome to the Packet Actions series of blog posts. I d like to spend a few posts talking through how you can programmatically integrate with a network dataplane. I... Read more
Working with Linux VRFs
The concept of VRFs is likely one that you re familiar with. They are the de facto standard when we talk about isolating layer 3 networks. As we ve talked about previously,... Read more
Python Pieces: Decorators
As some of you know Im a big believer that we all learn differently. You may read something the first time and immediately grasp the topic whereas I may... Read more
Python Pieces: PyEnv and Venvs
In my last post, we talked about PyEnv and how it can help manage your local Python environments. As it turns out it can also help you manage virtual environments... Read more
Python Pieces: Using PyEnv
If you re like me one of the most frustrating things about Python is version management. You get a new Mac, the system default is 2.x something, you need 3.x... Read more
Working with TC on Linux systems
Hi folks! Long time no talk : ) Life has been incredibly busy for me over the last few months so I ll apologize in advance for the lack of posts.... Read more
Carrier supporting Carrier with BGP-LU
In our last post we talked about the less used method of deploying CsC where we ran OSPF and LDP inside the CSC-PE routing-instance. Note: I can t help myself apparently... Read more
Carrier Supporting Carrier with OSPF and LDP
I know we haven t gotten to the point of actually discussing inter-as option B or option C but we did cover all of the mechanics required for them to work... Read more
Fundamentals of MPLS LSPs
One of the items that often trips folks up with MPLS is the concept of label switched paths or LSPs. We ve talked about them extensively before in many of the... Read more