Where is all the Automation?

Note: I may receive commissions for purchases made through links in this post. This is to help support my blog and does not have any impact on my recommendations. The future is APIs! SD-EVERYTHING! Automation! Orchestration! Artificial Intelligence and Machine Learning! Sound familiar? It’s all part of the…

L2 Basics: Configuring an EtherChannel

Today we’re going to take a look at how to configure an etherchannel between two Cisco Switches. What is an etherchannel? It’s a way of taking multiple independent links and bundling them together, so that they appear as one logical connection between two devices. Etherchannels are…

One Year Later

2017 is over! Now we’re on to whatever 2018 may bring. The past year has been very interesting for me. For one thing, it was the first full year of this blog which started in December of 2016. While I didn’t quite accomplish everything here that…

L2 Basics: Spanning-Tree Protocol

Spanning-tree protocol (STP) is one of those network technologies that is easy to forget about. It exists in the background of almost every network, and for the most part it does it’s job without any issues. However, there is still a huge benefit to understanding what STP does…

An Afternoon with ARIN

I had the opportunity to attend an ARIN on the Road event last week. It was an all-day event that focused on education: who ARIN is, what they do, and some things they are working on. As a network admin I’ve had to work with ARIN a handful…

SRX High CPU: httpd

Over the past few years of my Juniper SRX adventures, I’ve run into a few cases where the Routing Engine (RE) CPU is pegged at 100%. From what I’ve seen so far, this is typically one of three causes: high traffic (spike in IPS inspection), logging…

Migrating IP Addressing Schemes

Back a few months ago, I wrote a bit about why it is important to have a good design for IP addressing schemes (part 1 and part 2). As a brief refresher, the situation I found myself in was an environment where practically everything was assigned a 10.x.x.…