A really good question about CIDR vs. traditional netmasks. How are they used, how is it different and what's the big deal?
For more information and examples with masking:
Intro to Masking: • Core Network Protocols Chapter 7 - Subnet ...
Network Masks - Big Idea #1 Mask Manipulation: • Network Masks - Big Idea #1 Mask Manipulation
Network Masks - Big Idea #2 Why all this Mask Manipulation?: • Network Masks - Big Idea #2 Why all this M...
Network Masks - Big Idea #3 Match Criteria: • Network Masks - Big Idea #3 Match Criteria
Network Masks - Big Idea #4 Some Address Space Rules: • Network Masks - Big Idea #4 Some Address S...
Subnetting Part 1: • Subnetting part 1 of 2 - let's do an examp...
Subnetting Part 2: • Subnets part 2 of 2 - finishing that examp...
Subnetting Part 3: • Aggregation
A question on CIDR: • A question on CIDR - how is it different f...
Subnets and Supernets: • Subnets and Supernets - How did we get here?
Subnets and Supernets #1 - How did we get here?: • Subnets and Supernets - How did we get here?
Aggregation #-2 A little review and an example: • Aggregation - a little review and an example.
Aggregation #3 - Working through a topology: • Aggregation - working through a topology
Aggregation #4 - working through a topology: • Aggregation - working through a topology #4
Books and other products for networkers
Packet Guide to Core Network Protocols: https://www.oreilly.com/library/view/...
Packet Guide to Routing and Switching: https://www.oreilly.com/library/view/...
Packet Guide to Voice over IP: https://www.oreilly.com/library/view/...
Network Engineering Fundamentals: https://www.oreilly.com/videos/networ...
Advanced Network Engineering: https://www.oreilly.com/videos/advanc...
Virtualization, Networking, and Storage: https://www.oreilly.com/videos/virtua...