Metro Ethernet Terms and usage

As some of you reading this dive into metro ethernet you should know some terminology • User-Network Interface (UNI): The UNI is a physical Ethernet port on the service provider side of the network along with a predefined set of parameters to provide data, control and management traffic exchange with the end-customer CPE device. The customer … Read more

Evolution of a Network guy Part 1

I published this several years ago, and was lost on a previous blog.  I found it while archiving things tonight and figured it was time to re-post and update in the end. My buddy Greg Sowell recently wrote an article on his Blog about the “evolution of an I.T. guy.  It was on of the … Read more

Tech Tip: Determining MTU via MacOSX Ping oh yeah and Windows

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more

Some Basic Cisco router terminology

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more