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Presentation notes from JMU Unix Users Group meetings

Networking Overview

A few very broad topics to mention

Networking Layers

The OSI networking model defines seven layers and has been described as the most beautiful model that’s never been implemented.

Networking layers

Numbering - MAC addresses

Numbering - IPv4 (or just “IP”) addresses

Numbering - IPv6 addresses

Numbering - subnets

Numbering - private subnets

Numbering - putting it all together

Protocols - Dynamic Host Configuration Protocol (DHCP)

Protocols - Internet Control Message Protocol (ICMP)

Protocols - Open Shortest Path First (OSPF)

Protocols - Routing in general