Subnetting and CIDR

• IP Addressing Review
• Binary Numbering Review
• Hierarchical Addressing
• Binary Hierarchy
• Address Prefix Syntax
• A Real Example
• A Real Example (cont)
• Nested Prefixes
• Tricks of the Trade
• Power of Two Blocks
• Power of Two Blocks (cont)
• Quiz #1
• Quiz #1 (cont)
• Quiz #1 (cont)
• Fundamental Principle of Routing
• A Simple Subnet
• Reserved Subnet Numbers
• Subnetting
• A Simple Example
• A Simple Example (cont)
• Subnetting Tips
• Another Example
• Yet Another Example
• Quiz #2
• Historical Development of IP Addressing
• Classful Addressing
• Subnetting
• Classless Addressing
• Routing Protocols Evolved
• Restriction: Subnets within networks
• Restriction: Fixed-length subnet masks
• Restriction: Contiguous Subnets
• Subnet Masks
• Subnet Masks (cont)
• Subnet Masks (cont)
• Quiz 3
• Quiz 3 (cont)
• Summary