# categories

Networking

[ Networking ] 8 min read

SDN Myths

In 1876, an internal memo at Western Union is reported to have read: “This ‘telephone’ has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us.” At the …

[ Networking ] 1 min read

SDN in the Enterprise

I recently wrote a multi-part blog series for Cisco and, as we know, while it may seem like the writing is all of the work, getting the word out is at least as hard. So, for those of you who have already seen this, I …

ASA Upgrade to 9.0(2)

“In theory there is no difference between theory and practice. In practice there is.” Yogi Berra Usually, no matter how much planning, testing, thinking about, or stalling you build in to an upgrade project, the bill …

Complexity is Relative

“There is always a well-known solution to every human problem–neat, plausible, and wrong.” H.L. Mencken, Prejudices: Second Series, 1920 I had an interesting conversation today with a cohort of mine regarding network …

[ Networking ] 4 min read

IPv6 Feature Parity (Lack of) Rant

The current state of IPv6 support in many vendors products makes me want to donkey-kick someone right in the… well, let’s just say it upsets me. I have been leading an IPv6 roll-out for some time now, among other things, …

[ Networking ] 7 min read

Windows 7 and IPv6

One of the projects that I began early last year is an IPv6 rollout across our entire worldwide network. During the initial heady days of the project, I managed to get the infrastructure largely configured in a …

[ Networking ] 6 min read

Screen and Reverse Telnet with Macbook Pro

As a lot of readers already know, from comments and discussions on other forums, I recently made the switch from PC to Mac for my main personal computer. This wasn’t some sort of Microsoft-hating frenzy, but rather a …

Cisco Live Sunday Labtorial

This post is late in coming, considering that I’ve been back from Cisco Live for a good couple of weeks now. Nevertheless I’m posting it now, so hopefully someone finds the information useful. Without going into the …

[ Networking ] 3 min read

IPv6 Half-truths

This post will be a short one, and mostly just comes from a discussion I had the other day with another engineer. It turns out that even among people who are comfortable with IPv6, and maybe even have experience …