1. Tracing IP Packets Around the World
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Seeing is
believing
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Measuring response times
In class Demonstration: Using ICMP for learning and
diagnostics
2. Introduction and Overview
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Based on RFC 1180 for consistency and common reference
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Key concepts
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What do all the components do
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Benefits of Layered Architectures
- TCP
- IP
- UDP
- ARP
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IP Addressing Overview
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Applications
RFC1080: The TCP/IP tutorial
3. Grasp TCP/IP Architecture and Resources
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Understanding the mistakes of the past to plan for the future
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Identify the resources which will make your life easier
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Learn from the case study examples
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Identify the committees and how to fill in the appropriate forms and permissions
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A comparison of NT, UNIX and other Network Operating systems
In class Demonstration: Setting up a multi-homed router
4. TCP/IP and OSI
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Protocol
layering
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Why
multiple protocols?
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Mapping
TCP and OSI
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Similarities rather than differences
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Viewing
TCP as the OSI Transport Layer
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Differences between IP and X.25
In class Discussion: The real differences - Religion
vs. Politics
5. Internet Addresses
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Internet addressing and route management
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Internet address concept
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Addressing - Classes of IP addresses
- Assigning your IP addresses
- Supernet and subnet
- Subnet masking
- ARP
- RARP
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Broadcast and reserved addresses
In class Exercise: Using CIDR to consolidate several
class C licenses
6. IP: Internet Protocol
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Connectionless delivery system - Benefits & Risk analysis
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Internet datagram
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Routers
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Fragmentation
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Internet Control Message Protocol (ICMP)
In class Demonstration: X-RAY the IP header for traffic
optimisation
7. TCP: Transmission Control Protocol
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Providing a Connection oriented service
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Multiplexing, Reliability and Flow Control
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Sliding Windows
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Ports, connections and end points
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Karns Algorithm
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Silly Window Syndrome and Nagle
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Resource reSerVation Protocol (RSVP)
In class Demonstration: Watching the network
optimisation, by causing and overcoming congestion
8. UDP: User Datagram Protocol
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The need for a UDP
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Encapsulation
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The UDP Protocol
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Ports, Multiplexing and end points
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Stacks that use UDP
In class Demonstration: Why many applications benefit
from the connectionless UDP
9. Internetworking Design
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Bridges, Routers & Switches
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Router Protocols
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TAG Routing
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Layer 3 Switches
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Layer 4 Brouting
In class Project: Design a network where each of the
components are optimised
10. TCP/IP - Application Level Protocols
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UNIX Application Layer Protocols
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MS Windows application Layer
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TELNET
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Network File Systems (NFS)
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Simple Mail Transfer Protocol (SMTP)
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File Transfer Protocol (FTP)
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Trivial File Transfer Protocol (TFTP)
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HyperText Transfer Protocol (HTTP)
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Simple Network Management Protocol (SNMP)
In class Project: Use SNMP and TFTP to identify
benefits, and introduce the concept of vulnerabilities
11. TCP/IP on Frame Relay, SDH and ATM
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Understanding the new services
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BroadBand Network Concepts
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ATM Adaptation Layer
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Private Virtual Networks
Costing Exercise: Use case study and EXCEL spreadsheet
to demonstrate potential cost savings
12. Troubleshooting TCP/IP
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Symptoms and causes
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Fault isolation
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Troubleshooting tools
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Analyzers and Sniffers
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PING
& tcpdump
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Windows
NT Network Monitor
In class Demonstration: Using the tools to solve Real
Life problems
13. Network Management
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Simple
Network Managememt Protocol (SNMP)
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Remote Network Monitoring
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Commercial Integrated Network Management systems
In class Project: Comparison of representative
commercial NM products
14. Security and Firewalls
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Assessing the risk
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Firewalls
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Proxies
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Data Encryption
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The need for policies
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The Air Gap
In class Demonstration: Vulnerabilities - how to find,
minimise and proactive monitoring
15. Reviewing the Reference Disks
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DoD Specifications
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RFCs
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Diagnostic Tools
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Links to CERT, AUSCERT, X-Force etc.
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Dynamic Electronic Cross Reference Index
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FAQs
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HTML Links
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Troubleshooting Software
In class Demonstration: Using the Reference Disks -
Documentation, Tools & Dynamic Electronic Cross Reference Index
16. TCP/IP: V6 The Future
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IPNG - the next generation
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TCP and Frame Relay
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IP and ATM
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Multimedia and TCP/IP
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Virtual reality
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Virtual TCP/IP
In class Discussion: Actions to take today to minimise
transition pains