Ethernet MTU and overhead
how much overhead do I need to account for on my transport network? I have put together a quick list to help when you are calculating your overhead
Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
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
Importance of PIM in WISP LTE deployments
PIM sweeps are a common thing in the Cellular field. One of the first questions folks often ask is what is a PIM sweep?
RealChoice TV bandwidth utilization
Roku Premier streaming at 1080p utilizing Realchoice. Helpful for WISPs looking to deploy IPVTV to their customers Below is a 5-minute average over a half hour or so.
Thoughts on Carrier Redundancy
Recently there have been discussions on some lists about carrier redundancy. I figured I would sum up some thoughts and add my own,
Cisco 2960X I/O usage
While double checking some stats on a network I came across this in Librenms in regards to a Cisco 2960X
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
Nate guy anchor inspection
Inspecting guy wires on on a tower.
Cambium Multi-Mimo
Multi-user MIMO (MU-MIMO) is a set of multiple-input and multiple-output (MIMO) technologies for wireless communication
What are TX pauses?
You may have seen this in your TX stats in a Mikrotik, but what does it mean and ow do you notice it?