Table of Contents
African Network Operators Group
Outline
Origins of TCP/IP
Distributed Network Design
Internetworking
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
Encapsulation
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
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Author: Afnog 2002 T2
Home Page: http://www.ws.afnog.org
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