Internetworking, or IP and Networking Basics

6/12/03


Click here to start


Table of Contents

Internetworking, or IP and Networking Basics

Outline

Origins of TCP/IP

Distributed Network Design

Simplified view of the Internet

What internetworks are

A small internetwork, or “internet”

The unifying effect of the network layer

Protocol Layers: The TCP/IP Hourglass Model

Frame, Datagram, Segment, Packet

Functions of layers in the OSI 7-layer protocol stack

Layer 1

Layer 2

Layer 3

Layer 3

Layer 3

Layer 4

Layer 5, 6, 7

Layer interaction: OSI 7-layer model

Layer interaction: TCP/IP Model

Layer interaction

Encapsulation

Layer 2 - Ethernet frame

Layer 3 - IP datagram

Layer 4 - TCP segment

Purpose of an IP address

Basic Structure of an IP Address

Address Exercise

Address Exercise

Addressing in Internetworks

Address Structure Revisited

Network Masks

Example Prefixes

Special Addresses

More Address Exercises

Binary arithmetic tutorial

Grouping of decimal numbers

Grouping of binary numbers

Grouping of decimal numbers

Grouping of binary numbers

Grouping of binary numbers

More levels of address hierarchy

Old-style classes of IP addresses

Old-style classes of IP addresses

Implied netmasks of classful addresses

Traditional subnetting of classful networks

Traditional supernetting

Classless addressing

Classless addressing example

Classless addressing exercise

An IP router

IP router - action for each packet

Forwarding is hop by hop

Hop by Hop Forwarding

Router Functions

Forwarding table structure

Encapsulation (reminder)

Classes of links

Point to point links

Broadcast links

Broadcast links

NBMA links (Non-broadcast multi-access)

Ethernet Essentials

Ethernet/IP Address Resolution

Address Resolution Protocol

Home Page: http://www.ws.afnog.org

Download presentation source