It’s time for another entry to the Network Operational Investigating 101 subseries (NOI-101 for short). Today we are going to talk about Network Diagrams. Our “Crime Scene Maps”, as it were.

I've been tasked with doing a network diagram of our offices (8 in total) across two different cities. Our network is all on a single flat subnet (10.1.X.X / 255.0.0.0) and all sites are connected ...

Subnetting is used to divide a classful address space into smaller blocks to ease network management. Scenario A college is using the 10.0.0.0 classful private address space.