OSPF Multi-Area Adjacency

Traffic engineering in the OSPF networks is not that easy and sometimes can be a daunting or even impossible task, due to the fact that OSPF has many path selection rules. In this lab, I would like to discuss a scenario, where you can “hack” the regular OSPF rule, which states that inter-area routes are preferred over inter-area. Diagram Every router has a Loopback0 configured with IP address X.X.X.X/32, i.e R2 (2....

June 22, 2021 · 5 min

And still... AWS Solution Architect Associate

Recently I passed the recertification exam for the AWS Solution Architect Associate. It took me roughly about 1 month to prepare for it. It was way easier than in 2018 when I took this exam for the first time. Cloud is a very dynamic environment and lots of new services come up every year, but the fundamentals remain the same. Because of that, I was starting from some level of knowledge and I needed only to refresh it and learn new things....

June 7, 2021 · 1 min

My First Post

I decided to change a bit my personal website because I wanted to add some content mainly related to networking technology. My old website was simply not flexible. I didn’t want to reinvent the wheel, so I considered Wordpress engine, but after few thoughts, I realized that Wordpress is too heavy. Because of that, I chose one of the static site generators namely Hugo. Hugo is fast, powerful, flexible and I can run it almost everywhere....

April 29, 2021 · 1 min