IPV6 Point-to-point addressing
Over the years I have seen providers use a wide variety of subnets across a point-to-point link. Anything from a /64, to /122,124, and the 127
Everything you wanted to know about NTP
Network Time Protocol (NTP) is a service that can be used to synchronize time on network connected devices. Before we dive into what NTP is, we need to understand why we need accurate time. The obvious thing is network devices …
Mikrotik mAP for the WISP installer
One of the problems installers run into on a few networks we manage is having the right tools to properly test a new install
The importance of Network Monitoring Systems (NMS)
One of our open tickets on MidWest-IX is a member reporting slow speeds on their exchange port. After having them send us some data and a few e-mails back and forth we began looking at their switch port on the …
in-Floor cabling
Great example of in-floor cabling
Cisco and Verizon demonstrate multi-haul
As Internet traffic grows and becomes more dynamic, optical transport networks for sub-sea, terrestrial long haul and metro need more capacity.
How VRFs work
virtual routing and forwarding (VRF) is a technology that allows multiple instances of a routing table to co-exist within the same router
Looking Glass Links
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 …
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
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 …