Experimenting Cumulus Linux

This post was originally posted as Twitter thread 4.3.2021. Last few weeks I’ve tried to dive into Cumulus Linux and test how it is configured and operated. The goal is to make a tutorial for Cisco network engineers. Here’s a thread what I’ve noticed during my experimentation. There used to be over 130 different hardwareContinue reading “Experimenting Cumulus Linux”

Cisco ACI day 2: Real life design and operational issues

This post was originally posted as Twitter thread 15.12.2020 ACI journey continues. Now I’m involved in real life practical designs and hands-on deployments. Thoughts on design and issues I have experienced. Resource objects are still hard to understand properly. Why this and that, why so many pieces? What is the best combination of vlan pools,Continue reading “Cisco ACI day 2: Real life design and operational issues”

Cisco ACI first impressions

This post was originally posted as Twitter thread 28.10.2020. I took a 5 days Cisco DCACI course. This is all new to me. I’m confused. Who is ACI for? Capabilities and completeness of features are fantastic but how to manage this complex system? Everything is based on objects. I thought Junos is policy heavy butContinue reading “Cisco ACI first impressions”

Networking Industry Update 2021-02

Telcos and 5G In Finland, Telia made a deal with Nokia on the 5G network and it will be heard in ads promoting the only “domestic and secure” network. The CEO warns of the risks and promises Finns the Finnish 5G network as the only operator. Telia has had a tough year and has now set new goals on a sustainableContinue reading “Networking Industry Update 2021-02”

[FI] Tietoliikennealan katsaus 2021-02

Operaattorit ja 5G Telia teki diilin Nokian kanssa 5G-verkosta ja se näkyy ja kuuluu mainoksissa, joissa puffataan ainoata “kotimaista ja turvallista” verkkoa. Toimitusjohtaja varoittaa riskeistä ja lupaa ainoana operaattorina suomalaisille “suomalaisen 5G-verkon“. Telialla on ollut kova vuosi ja se on nyt asettanut uudet tavoitteet kestävälle pohjalle. Tarkoitus on keksiä uudelleen verkottunut elämäntyyli, säästää kustannuksissa jaContinue reading “[FI] Tietoliikennealan katsaus 2021-02”