What Next Now the KRACK Smoke is Clearing?
It’s only four days since we were blessed with news of the KRACK vulnerability in WPA2, so what have we learned now that we’ve had some time to dig into the problem? Patching Infrastructure (Access […]
October 2017
Decoding LACP Port State
It’s frustrating when the output to a show command gives exactly the information needed, but in a format which is unintelligible. So it is with the Partner Port State field in the NXOS show lacp […]
KRACK WPA2 Vulnerability Announced – Upgrade Now
If you haven’t already heard about the KRACK (Key Reinstallation Attack) vulnerability announced today, head over to the information page at https://www.krackattacks.com/ as quick as your fingers will take you because Mathy Vanhoef of imec-DistriNet […]
Pre-Provisioning Your FEXen For Fun and Profit
In this post, I’ll discuss how to protect your income by using the FEX pre-provisioning capability of NXOS. I discovered the hard way that not pre-provisioning your FEX can have catastrophic side effects. What better […]
My Lexicon: Fexen
Fexen (noun, pl.; pronounced Fex-uhn) Usage “Do we have any copper FEXen on those switches?” Explanation Fexen is the plural of FEX (the Cisco Nexus Fabric Extender modules). Oh, I know, “FEXes” is just as easy […]
iTerm2 Tip: Repeating Commands Using a Coprocess
iTerm2 is a great terminal for MacOS; far better than Apple’s built-in Terminal app, and it’s my #1 recommendation for Mac-based network engineers. One of the many reasons I like it is that it has […]