African Network Operators Group


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Table of Contents

African Network Operators Group


Origins of TCP/IP

Distributed Network Design


What internetworks are

The unifying effect of the network layer

Protocol Layers

Frame, Datagram, Segment, Packet

Functions of layers in the protocol stack

Layer 1

Layer 2

Layer 3

Layer 3

Layer 3

Layer 4

Layer 5, 6, 7

Layer interaction

Layer interaction

Layer interaction


Purpose of an IP address

Basic Structure of an IP Address

PPT Slide

PPT Slide

Addressing in Internetworks

Network Masks

Example Prefixes

Special Addresses

Address Exercises

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

Network Topology

Network Devices

Large Networks

WAN Design

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

Author: Afnog 2002 T2

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