Uncategorized

The author Ivan Pepelnjak (CCIE#1354 Emeritus), Independent Network Architect at ipSpace.net, has been designing and implementing large-scale data communications networks

It’s easy to get excited about what seems to be a new technology and conclude that it will forever change

I usually post links to my blog posts to LinkedIn, and often get extraordinary comments. Unfortunately, those comments usually get

A random tweet pointed me to Vulnerability Note VU#855201 that documents four vulnerabilities exploiting a weird combination of LLC and

Did you ever wonder why it’s impossible to find good service company, why most software sucks, or why networking vendors

netlab release 1.5.0 includes features that will help you start very large lab topologies (someone managed to run over 90

The author Ivan Pepelnjak (CCIE#1354 Emeritus), Independent Network Architect at ipSpace.net, has been designing and implementing large-scale data communications networks

Maybe it’s just me, but I always need a few extra devices in my virtual labs to have endpoints I

I like using Cisco IOS for my routing protocol virtual labs. It uses a trivial amount of memory and boots

Dmitry Perets left a thoughtful comment on my Nothing Works blog post describing why enterprise IT might be even worse