[Must-Read for New Engineers] CIDR and Subnets: Concepts I 'Thought I Understood.' A Complete Understanding from History Before You Get Stuck in Practice

When I started working as a network engineer, the first terms I 'thought I understood' were 'subnet mask' and 'CIDR'.The notation 192.168.1.0/24 that you often see in configuration files. Have you ...
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Resolving Common AWS CIDR Errors, Part 2: Understanding the Why

Let's break down some of the more common error messages, dive into their meaning and show how you can avoid them popping up in the future. In the previous article, I ...
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CIDR (Classless Inter-Domain Routing or supernetting)

What is CIDR (Classless Inter-Domain Routing or supernetting)? CIDR (Classless Inter-Domain Routing or supernetting) is a method of assigning IP addresses that improves the efficiency of address ...