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TCP/IP is the globally accepted group of protocols at the core of the Internet and organizational intranets. A solid understanding of each of these protocols and how they work will give you the ability to deploy the most effective network for your organization. In this lecture-only course, you will gain the essential knowledge required to set up, configure, support, and troubleshoot your TCP/IP-based network.

This course-the longest running of its kind in the industry-also prepares you for more specialized courses in network security, wireless integration, and Voice over IP, as well as for product-specific training such as Cisco, Nortel, and Microsoft.

Highlights

• The essential elements of the TCP/IP protocol suite
• The roles of various devices in a TCP/IP network
• IP addressing and subnetting including Variable Length Subnet Masking (VLSM)
• Details of ARP, IP, ICMP, TCP, and UDP - their functions and relationships
• Identify uses of Multicasting and how it works
• Automate address assignment and name resolution using DHCP and DDNS
• IP routing and the protocols that support it, such as RIP and OSPF
• How applications like FTP, HTTP, Telnet, and others work in a TCP/IP network
• Functions of IPv6 and its related protocols
• Functions and capabilities of multicasting, Voice over IP, and e-mail

Course Outline

1. History and Standards

• Origin of TCP/IP
• ARPANET Requirement Documents
• Collaborative Network Requirements
• One Protocol?
  • Peer-to-Peer Protocols: Actual Flow
  • Peer-to-Peer Protocols: Effective Flow
• Documentation and RFCs
• RFC Categories

2. TCP/IP Numbering Systems

• Data Representation
  • Numbering Systems
  • Number Grouping
• Converting Binary or Hexadecimal to Decimal
  • Practice Converting Binary to Decimal
• Converting Decimal to Binary or Hexadecimal
  • Example 1: Converting 1500 to Binary
  • Example 2: Converting 1500 to Hexadecimal
  • Decimal Conversions
• Converting Hexadecimal to Binary and Binary to Hexadecimal
• Counting
• Guidelines for Determining Base

3. Local Signaling

• Local Signaling
• Ethernet Addressing
  • Unicast
  • Multicast
  • Broadcast
• The Ethernet Header
  • Protocol Type
  • Size Limits
• CSMA/CD

4. IP Addressing

• A Logical Address
• IP Address Structure
  • Dotted Decimal Notation
  • Classful Addressing (Class A, B, C, D, E)
  • Reserved Addresses
  • Masking
  • Comparing Addresses
  • Prefix Notation
• Private Addressing
• Network Address Translation
• Address Assignment
  • One Flat Network
  • IP Address Blocks

5. IP Subnets

• A Logical Address
  • Subnetting
  • Required Information
• Multiple Subnets
  • Determining the Mask
  • The First Subnet
  • Laying out the Subnets and their Addresses
  • The Second Subnet
  • The Third Subnet
• Planning for Growth
  • The Current Picture
  • Sequential Allocation Error
  • A Future Fourth Subnet
  • With The Fourth Subnet
• Subnetting Subnets

6. Address Resolution Protocol

• Address Mapping
• ARP Cache
• ARP Restrictions
• ARP Message Fields
  • Hardware and Protocol Types
  • Hardware and Protocol Address Lengths
  • Operation
  • Addresses
  • Exception
  • LAN Fill
• How Else Can ARP Help?
  • ARP Commands

7. Multicasting

• What is Multicasting?
  • Uses of Multicasting
  • Multicasting Overview
  • Some Reserved IP Multicast Addresses
• " Multicast Groups and Internet Group Management Protocol (IGMP)
  • Multicast Groups
  • IGMP
  • IGMP Restrictions
  • Multicast Routing
• Mapping a Class D IP Address to an Ethernet Multicast Address
• How Does It All Work Together?

8. Internet Protocol

• TCP/IP Protocols
• Self-Healing Networking
• IP Header
  • IP Header Layout
  • Type of Service Byte
  • Differentiated Services
  • Total IP Length
  • Datagram ID Number
  • Fragmentation
  • TTL
  • Protocol Field
  • IP Header Checksum
  • IP Address
  • IP Option Fields
• IP Sample Data Exchanges

9. IP Routing

• TCP/IP Protocol
• Routing Function
• The IP Routing Algorithm
• The Routing Table
  • Routing Table Basics
  • Automatic Table Maintenance
• Exterior or Interior Protocol
  • Interior Gateway
  • Exterior Gateway
• Routing Information Protocol
  • RIP Routing Information Basics
  • RIP Route Loops
  • OSPF vs. RIP 1 vs. RIP 2
• Layer 3 Switching

10. Simple Sessions with User Datagram Protocol

• TCP/IP Protocols
• Host-to-Host Layer Categories
  • Connectionless Protocol
  • Connection-Oriented Protocol
  • Low Overhead vs. Reliability
• UDP Header
  • UDP Header Layout
• Port Basics
• UDP Ports and Sockets
• Applications
• UDP Sample Data Exchanges

11. Robust Sessions with TCP

• TCP/IP Protocols
  • Reliable Transport Services
  • Introduction to TCP
• TCP Headers
  • TCP Source and Target Ports
  • Source Sequence Number
  • Acknowledgment Sequence Number
  • TCP Header Length
  • Session Bit Flags
  • Flagging a Session
  • Sender Window Size
  • TCP Checksum
  • Urgent Data Size
  • Option Fields
  • Maximum Segment and Window Size
• TCP Three-Step Handshake
  • As the Session Flows
• Congestion and TCP
  • Primary Cause
  • Secondary Cause
• Four Step Session Shutdown
  • Normal End
  • Reset Session
• TCP Sample Session

12. Autoconfiguration

• BootP and DHCP
• Manual vs. Automatic Address Assignment
  • Earlier Solutions
• DHCP New Lease Acquisition Process
  • DHCP Discover
  • DHCP Offer
  • DHCP Request
  • DHCP Acknowledgment
• DHCP Scopes and Options
  • IP Lease Renewal
• DHCP in a Routed Network
• Troubleshooting
  • The ipconfig /release Command
  • The ipconfig /renew Command
  • Multiple DHCP Servers

13. DNS: Names Instead of Numbers

• DNS Overview
• A Distributed Service
• The DNS Tree
• Generic Top-Level Domains
• Sponsored Top-Level Domains
  • Country Domains
• Name Server
  • Primary and Secondary Servers
• DNS Database
  • DNS Cache Feature
• Resource Records
• The Name Resolution Process
  • Name Query Packet
  • Name Query Response Packet
• Reversing the Process
  • Name and Number Organizations
• Dynamic DNS
• Troubleshooting

14. Diagnostics and Error Reports via ICMP

• ICMP Overview
• ICMP Basics
• ICMP Message Destinations
  • Silent Discard vs. Informed Discard
• ICMP Messages
  • ICMP Echo Request (Type 8) and Response (Type 0)
  • Destination Unreachable (Type 3)
  • Redirecting Traffic with an ICMP Message (Type 5)
  • ICMP Time Exceeded Message (Type 11)
• ICMP Sample Data Exchanges

15. Common TCP Applications

• TCP/IP Protocols
• Uses of Telnet
  • Telnet Option Negotiations
  • Telnet Protocol Options
• File Transfer Protocol (FTP)
  • Multiple Sessions
  • FTP Commands
  • FTP Response Codes
• E-mail
  • SMTP Commands
  • SMTP Response Codes
  • POP3
  • POP3 Transaction State
  • IMAP4
• World Wide Web
• Uniform Resource Locator (URL)
  • HTTP Requests and Responses

16. Common UDP Applications

• TCP/IP Protocols
• Trivial File Transfer Protocol (TFTP)
  • TFTP Transfer Process
  • TFTP Operation Codes
• TFTP Sample Sessions
  • Read Session
  • Write Session
  • Error Session
• Simple Network Management Protocol (SNMP)
  • SNMP Manager Model
  • SNMP Agent Model
  • SNMP Commands
• The Structure of Management Information
  • Management Information Base
  • Private MIBs
• Remote Network Monitoring

17. VoIP

• What is VoIP?
• Why VoIP Instead of TDM Voice?
• Uses for VoIP
  • Talk to Operator
• Communication Characteristics
• Protocol Standards
  • H.323
  • SIP
  • MGCP RFCs
  • H.248 MEGACO
  • Real-Time Transport Protocol
  • G.7xx Standards
• How VoIP Works
  • Gatekeeper Call Server
  • Hard Phone vs. Soft Phone
  • Dial Tone
  • Security
• LANs and WANs
  • VoIP and LANs
  • VoIP and WANs
  • Bandwidth and QoS

18. Security

• Protocol Limitations
  • C-I-A Triad
• Threats
  • Disaster Threats
  • Attack Threats
  • Attacks
  • Malicious Code
  • Types of Attackers
• Solutions
  • Securing Systems
• User Authentication
• Security-Related Protocols and IPSec
  • IPSec Components
  • IPSec Session
• Virtual Private Networks (VPNs)
  • Establishing a VPN Connection
  • PPTP Encapsulation
  • PPTP Encryption
  • L2TP Encapsulation
  • L2TP Encryption

19. IPv6

• Overview
• Addressing
  • IPv6 Address Categories
  • IPv6 Address Formats
  • Interface Identification
  • Interface Identifier
  • Address Type Identification
• Header
  • Extension Headers
• ICMPv6
  • Destination Unreachable
  • Packet Too Big
  • Time Exceeded
  • Parameter Problem
  • Echo Request and Echo Reply
  • Neighbor Solicitation
  • Neighbor Advertisement
  • Redirect Message
• IPv6 DNS operation
  • DNS Sample Records
• Routing Services and Protocols
  • Static Routing
  • RIPng
  • OSPFv3
  • MP-BGP (Multiprotocol extensions for BGP)
  • EIGRP for IPv6
• Internet2

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