• https://github.com/ipinfo/cli
• [https://blog.sdn.clinic/2025/03/wireguard-and-vrfs/9(https://blog.sdn.clinic/2025/03/wireguard-and-vrfs/]
• https://github.com/girishji/pythondoc.vim

Some time ago I asked on Mastodon if someone would be interested in a series of videos about IPv6. Some people are, so I’ll give it a try. Each video will be accompanied by a blog post. This blog post and other materials will be available on gitlab.

Starting in January 2025, videos will come out every Tuesday evening (CET) and I’ll try to keep them between 10 and 20 minutes.

Last week I talked about ContainerLab at our admin meetup in Berlin.

Containerlab provides a CLI for orchestrating and managing container-based networking labs. It starts the containers, builds a virtual wiring between them to create lab topologies of users choice and manages labs lifecycle.

As allways the presentation was streamed and recorded.

Talk was in German, slides are in English:

• Recording
• Slides

The basic Idea: What if we put together an “advent of IPv6” just like – https://adventofcode.com/ or https://tryhackme.com/r/christmas

Gitlab repo including my slides from RIPE89

https://gitlab.com/jenslink/advent-of-ipv6

There is also a mailing list: https://list.sys4.de/postorius/lists/ipv6-advent-orga.lists.quux.de/

You want to make a presentation, write a blog post or document your brand-new software. What do you use as domain-names, IP addresses and AS numbers? If you are documenting your systems or a setup you build for a customer the question is easy to answer: It’s best to use the actual data. But if you are writing a more generic documentation there are some reserved domain names, IP prefixes and AS numbers.