Tag Archives: Tech

Passing Fortinet FCSS SASE Certification

I volunteered to take Fortinet Certified Solution Specialist SASE certification when our company needed to fulfill Fortinet partner qualifications. I wanted to learn more about solutions and challenge myself in new areas. And challenge it was! First, I don’t have experience in configuring SD-WAN or SASE in practice, just some Fortigate firewalling basics from yearsContinueContinue reading “Passing Fortinet FCSS SASE Certification”

Myth or reality: Fortinet has more vulnerabilities than Palo Alto and Checkpoint

Vulnerabilities in Fortinet products have been frequent, and based on sheer numbers it’s easy to condemn Forti-OS buggy insecure crappy piece of software. Palo Alto had its moment in the spotlight too when struggling with a new zero-day critical vulnerability. I was curious to find out if Fortinet is really so much worse than competitors,ContinueContinue reading “Myth or reality: Fortinet has more vulnerabilities than Palo Alto and Checkpoint”

My Juniper Story

I got inspired by Jeff McLaughlin’s post of his thoughts on Juniper, and I wanted to tell my personal Juniper story from a distant small country Finland. This is also my professional growth story and I feel Juniper has had a significant impact on it. My first contact with Juniper was around 2008 when I startedContinueContinue reading “My Juniper Story”

ACI Rant #3 Topology and scalability issues.

This microblog was released in Twitter thread. Cisco ACI feels so robust, complex and pricey that you might think it’s for big networks. Actually, there are many scalability limitations that you might encounter sooner or later. Mode: First there is a decision between Multi-pod and Multi-site. Multi-pod is single distributed fabric and easier to understand.ContinueContinue reading “ACI Rant #3 Topology and scalability issues.”

Experimenting Cumulus Linux

This post was originally posted as Twitter thread 4.3.2021. https://twitter.com/AnttiLeimio/status/1367469583007899648 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 differentContinueContinue reading “Experimenting Cumulus Linux”