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Advanced TCP/IP

The Advanced TCP/IP training course is an instructor led presentation course that provides a more in depth reference to the core networking protocol TCP/IP than the one day Introduction to TCP/IP course. This technical training course will further familiarise delegates with the way that computers communicate via routed networks so that they will gain a greater appreciation of sub-netted networks, routing protocols and other protocols that are used in today’s networking environment.

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Learning Objectives

  • The TCP/IP 4 Layer Architecture
  • IPv4 addressing schemes and Subnet working
  • The functionality of:
  • IP
  • ARP and RARP
  • TCP and UDP
  • DHCP and DNS
  • Routing Protocols within Autonomous Systems
  • RIP: Routing Information Protocol
  • OSPF: Open Shortest Path First
  • EIGRP: Enhanced Interior Gateway Routing Protocol
  • Inter-Autonomous System Routing
  • BGP: Border Gateway Protocol
  • ICMP
  • SNMP
  • Telnet/SSH
  • IPv6
  • Tools to trace and cure problem

Pre-Requisites

Students should be familiar with MS Windows desktop and command line operations, they should also have an appreciation of the TCP/IP suit of protocols and protocol stacks, Ideally they will have attended the Introduction to TCP/IP course or have similar experience.

Course Content

Chapter 01 – Introduction
Objectives

  • Explain the history of TCPIP
  • State the standards bodies that regulate TCPIP
  • Describe TCPIP architecture

Content

  • History of TCP/IP
  • Standards Bodies – The Internet
  • TCP/IP Architecture
  • The TCP/IP Suite
  • Standards Bodies – ISO
  • Open System Interconnection
  • ISO OSI 7-layer model
  • Layered Protocols
  • Protocol Encapsulation with TCP/IP

Chapter 02 – The Internet Protocol
Objectives

  • Describe the functions of the Internet protocol
  • Explain the function of the IP address
  • Describe the different IP address classes
  • Explain the function of the Loop-Back address
  • Describe the function of Multicast addressing
  • State the reserved IP addresses
  • Describe IP address allocation methods

Content

  • IP? – Internet Protocol
  • Internet Protocol Addressing
  • Internet Protocol Routing
  • IPv4 Address Classes
  • Classful IPv4 Address Ranges
  • Multicast Addresses
  • IPv4 Reserved Addresses
  • IPv4 Address Assignment
  • IPv4 Private Network Addressing
  • The IPv4 Header
  • Protocol Numbers
  • IP Fragmentation
  • IP Precedence (Type Of Service)
  • Differentiated Services – DiffServ
  • Per Hop Behaviour (PHB)
  • Commonly Used DSCP’s
  • IP Address Allocation

Chapter 03 – Address Allocation
Objectives:

  • Describe IP Address of allocation methods
  • Explain a few basic tools

Content

  • Dynamic IP Address Allocation – RARP
  • Dynamic IP Address Allocation – BOOTP
  • Dynamic IP Address Allocation – DHCP
  • The DHCP Server
  • DHCP Operations
  • DHCP Address Acquisition States
  • Windows DHCP Commands
  • DHCP Relay

Chapter 04 – Address Resolution
Objectives:

  • Describe IP address to LAN address resolution
  • Explain the use of the Default GateWay
  • Explain the use of network analysers

Content

  • Address Resolution Protocol (ARP)
  • ARP Message Format
  • Default Gateway
  • Connecting Hosts – Same Network
  • Connecting Hosts – Different Network
  • Network Protocol Analysers
  • Wireshark (Ethereal)
  • The User Interface
  • The Menu
  • Wireshark Menu Icons
  • The “Packet Details” Pane
  • The “Packet Bytes” Pane
  • Capturing LAN Traffic
  • Switches – Port Mirroring
  • ARP Trace

Chapter 05 – IP Address Limitations
Objectives:

  • Describe the limitations of IPv4 addressing
  • Describe the function of the Network Mask
  • Describe Masking principles
  • Describe addresses and mask assignment
  • Describe Subnet working in action
  • Describe Supernet working in action

Content

  • Limitations of the Classful System
  • Subnet Motivation – IP Addresses
  • Subnet Extensions
  • Class A Subnet Mask Application
  • Default Subnet Masks
  • Class A Subnet Mask Application
  • Class B Subnet Mask Application
  • Class C Subnet Mask Application
  • Subnetting
  • Defining Subnetworks
  • Subnetworking in Action
  • More Subnet Granularity
  • Subnet Mask Application
  • Subnet Example
  • Subnet a 147.170.x.x Address
  • Class B Subnet Masks
  • Variable Length Subnet Masks (VLSM)
  • VLSM In Action
  • VLSM Subnetting
  • Supernetting
  • Classless InterDomain Routing (CIDR)
  • Subnet Mask Application
  • Supernet a 193.1.x.x Address
  • Classless Addressing
  • CIDR Subnet Mask Notation
  • Default, Subnet and Supernet Masks
  • Subnet/Supernet Calculators

Chapter 06 – Internet Control Message Protocol
Objectives

  • Explain Internet Control Message Protocol
  • Describe the Ping and Traceroute tools

Content

  • Internet Control Message Protocol (ICMP)
  • ICMP Message Format
  • ICMP Type Field
  • ICMP Code Field
  • PING
  • PING Options
  • ICMP Ping Trace
  • TraceRoute
  • PathPing

Chapter 07 – IP Routing
Objectives

  • Describe routing principles
  • Explain Static and Dynamic routing
  • Explain the different types of protocols

Content

  • Routers and Routing
  • Anatomy of a Basic Router
  • Static Routing 
  • Dynamic Routing
  • Dynamic Routing Protocols
  • Distance-Vector
  • Hop Count
  • Link State
  • Metrics and Costs
  • Routing Protocols
  • Protocol Comparison
  • Dynamic Routing 
  • The Default Route

Chapter 08 – Routing Information Protocol
Objectives

  • Explain Routing Information Protocol
  • Explain Hop Counts
  • Describe the RIP header format

Content

  • Routing Information Protocol
  • RIP Routing Updates
  • RIP Versions
  • RIP Timers
  • RIP Version 1 Header Format
  • RIP Version 2 Header Format
  • The Count to Infinity Problem
  • The Count to Infinity Problem Solutions

Chapter 09 – Open Shortest Path First
Objectives

  • Explain the differences between OSPF and RIP
  • Describe OSPF Networks
  • Explain adjacencies and Designated Routers
  • Describe areas and autonomous systems
  • Describe the classification of routers
  • Explain Link State Advertisements

Content

  • OSPF v RIP
  • Open Shortest Path First (OSPF)
  • Open Shortest Path First (OSPF)
  • An OSPF Network
  • Link-State Advertisement (LSA)
  • Link State Algorithm
  • The Link-State Database
  • The OSPF Hello Message
  • OSPF Network Types
  • OSPF Costs
  • OSPF Convergence
  • OSPF Message Header Format

Chapter – 10 Enhanced Interior Gateway Routing Protocol
Objectives

  • Describe the routing concept of EIGRP

Content

  • Introduction
  • Capabilities and Attributes
  • Processes and Technologies
  • Routing Concepts
  • EIGRP Packet Types
  • Basic EIGRP Calculations
  • EIGRP Metric

Chapter 11 – Border Gateway Protocol
Objectives

  • Describe the Border Gateway Protocol

Content

  • Background
  • Autonomous System
  • BGP Connections
  • BGP Message Types
  • BGP Message Format
  • BGP OPEN Message
  • BGP UPDATE Message
  • BGP KEEPALIVE Message
  • BGP NOTIFICATION Message

Chapter 12 – Host to Host Communication
Objectives

  • Describe the Host to Host Layer function
  • Describe the differences between TCP and UDP
  • Describe the User Datagram Protocol (UDP)
  • Describe the Transmission Control Protocol concepts
  • Describe the Transmission Control Protocol
  • Describe the sequencing and reliability concepts of TCP
  • Describe the TCP open connection event sequence
  • Describe the TCP error event sequence
  • Describe the TCP close connection event sequence

Content

  • Transmission Control Protocol
  • TCP Concepts
  • TCP Segment
  • TCP Port Numbers
  • Simple Reliability
  • TCP Connection Set-up
  • TCP Connection Closure
  • Sliding Windows
  • User Datagram Protocol (UDP)
  • UDP Segment
  • UDP versus TCP

Chapter – 13 IP Address Translation
Objectives

  • Describe NAT
  • Describe how to configure NAT
  • Explain Inside and Outside addresses
  • Explain NAT Rules – Static and Dynamic

Content

  • Introduction
  • Overview
  • Network Address Translation
  • Configuring NAT
  • Dynamic NAT with Port Address Translation
  • NAT with Port Address Translation

Chapter – 14 The Application Layer
Objectives

  • Describe the Domain Name System
  • Explain name resolution
  • Describe the Telnet Protocol & SSH
  • Describe the File Transfer Protocol (FTP)
  • Describe the Trivial File Transfer Protocol (TFTP)
  • Explain Pro-Active Management
  • Explain the Simple Network Management Protocol

Content

  • Processes
  • The Domain Name System
  • The Domain Name Space
  • Domain Name Resolution (DNS)
  • Resolving Names to IP Addresses
  • Zones
  • Primary and Secondary Servers
  • Windows DNS Configuration
  • Testing DNS
  • NSLOOKUP Telnet
  • Secure SHell (SSH)
  • File Transfer Protocol (FTP)
  • Trivial File Transfer Protocol (TFTP)
  • Pro – Active Management
  • Modern Network Management
  • SNMP
  • MIB Categories
  • Examples of MIB Variables
  • SMI – Object Naming
  • The MIB Object Namespace
  • The Internet MIB
  • The Private MIB
  • Some SNMP Messages
  • SNMP Port Number

Chapter – 15 IP Version 6 Introduction
Objectives

  • Describe the basic structure of IP Version 6

Content

  • What is IPv6?
  • Address Representation
  • IPv6 Address Types
  • IPv6 Unicast
  • IPv6 Anycast
  • IPv6 Header
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