Summer is a great time to do odd jobs that you always wanted to do but never found time for. One of mine: document the crazy stuff I’ve been doing decades ago. Starting point: how I got into networking in 1980s.
I love election season, mainly for all the great slogans. Every candidate is trying to find a way to catch the attention of the electorate in order to get their ideas across. If people don’t know the benefits of a new solution, they’ll be hard pressed to understand how much better life can be.
The same can be said for Linux networking when ifupdown2 came along. This article describes the improvements made to ifupdown2, but it doesn’t describe the excruciating pain of having to run the classic ifupdown. I feel obliged to join this campaign cycle to wholeheartedly endorse ifupdown2 and tell you about how it’s making networking great again.
I was recently simulating a data center environment with Vagrant to test scalable architectures. I was trying to leverage ECMP via the new Routing on the Host feature on an Ubuntu 14.04LTS server over a Cumulus Linux spine/leaf Clos network. One requirement for this feature to work is peering BGP between the Ubuntu server and the first-hop leaf. Sounds simple, right? I had already peered BGP throughout my entire Cumulus Linux switch network, and since Ubuntu is also a Debian-based distribution, it should have been a trivial task.

Read Continue reading
Cradlepoint merges its wireless tech with Pertino's SD-WAN.
Taking visibility into other people's networks (in a way that's not creepy).
ADC vendors race to the cloud.