Interconnecting Cisco Network Devices Part 1 Version 1.0 (ICND 1)
5 days Instructor-Led

Course Overview

ICND 1 or ICND Part 1 is the first part in the two-part updated Cisco ICND curriculum. In this comprehensive five-day course students will gain an understanding of the operation of modern TCP/IP networks built with Cisco hardware.
Learn the commands and techniques used to troubleshoot host connections, interact with Cisco switches and routers, back up and restore configuration files, and manage network equipment.
ICND Part 1 helps students prepare for the ICND 1 exam (#640-822). Passing the ICND 1 exam earns students the CCENT certification and is a step towards CCNA certification.


Prerequisites

The knowledge and skills a learner must have before attending this course include:

• Basic computer literacy
• Basic Internet usage skills
• Basic Windows navigation skills
• Basic e-mail usage skills


Who will benefit from this course?

This course is intended to be the starting point for students who are pursuing their CCNA certifications. In addition, the course will focus on providing the skills and knowledge necessary to implement and support a small switched and routed network.


Course Objectives:

After completing this course the student should be able to:

• Describe how networks function, identifying major components, function of network components, and the Open System Interconnection (OSI) reference model.
• Using the host-to-host packet delivery process, describe issues related to increasing traffic to an Ethernet LAN and identify switched LAN technology solutions to Ethernet networking issues.
• Describe the reason for extending the reach of LAN and the methods that can be used with a focus on RF wireless access.
• Describe the reasons for connecting networks with routers and how routed networks transmit data through networks using TCP/IP.
• Describe the function of Wide Area Networks (WANs), the major devices of WANs and configure PPP encapsulation static and dynamic routing and PAT and RIP routing.
• Use the CLI to discover neighbors on the network and manage router startup and configuration.

Course Outline

Module 1: Building a Simple Network

Lesson 1: Exploring the Functions of Networking

• Define a network
• List the common components of a network
• Interpret network diagrams
• List the characteristics of a bus topology
• What Is a Network?
• Common Physical Components of a Network
• Interpreting a Network Diagram
• Resource-Sharing Functions and Benefits
• Network User Applications
• Impact of User Applications on the Network
• Characteristics of a Network
• Physical vs. Logical Topologies
• Bus Topology
• Star and Extended-Star Topologies
• Ring Topologies
• List four common user applications that require network access and the benefits of each
• Describe the methods of connecting to the Internet
• Compare and contrast physical and logical topologies
• List major resource-sharing functions of networks and their benefits
• Describe the impact of user applications on the network
• List the categories of characteristics used to describe the various network types
• List the characteristics of a star and extended-star topology
• List the characteristics of a ring and dual-ring topology
• List the characteristics of a mesh and partial-mesh topology
• Mesh and Partial-Mesh Topologies
• Connection to the Internet

Lesson 2: Securing the Network

• Need for Network Security
• Balancing Network Security Requirements
• Adversaries, Adversary Motivations, and Classes of Attack
• Mitigating Common Threats
• Describe how to mitigate common threats to Cisco routers and switches
• Explain how sophisticated attack tools and open networks have
generated an increased need for network security and dynamic security policies
• Describe the challenge of balancing network security needs against e-business processes, legal issues, and government policies
• Describe network adversaries, hacker motivations, and classes of attack

Lesson 3: Understanding the Host-to-Host Communications Model

• Understanding Host-to-Host Communications
• The OSI Reference Model
• The OSI Model Layers and Their Functions
• Encapsulation and De-Encapsulation
• Peer-to-Peer Communication
• TCP/IP Suite
• List the purposes and functions of the TCP/IP suite in data communications
• Identify the requirements of the host-to-host communication module
• Define the purpose of the OSI reference model
• Define the characteristics, functions, and purposes of each of the OSI layers
• Describe the process of encapsulation and de-encapsulation
• Describe how peer-to-peer communication works

Lesson 4: Understanding the TCP/IP Internet Layer

• Internet Protocol
• IP Addressing
• IP Address Fields
• IP Address Classes
• Reserved IP Addresses
• Public and Private IP Addresses
• Dynamic Host Configuration Protocol
• Domain Name System
• Using Common Host Tools to Determine the IP Address of a Host
• List the characteristics of the Internet protocol
• Describe the components of an IPv4 address
• Describe the structure of an IPv4 address
• Describe the classes of IP addresses
• Describe reserved IP addresses
• Compare public and private IP addresses
• Define the function of DHCP in IP addressing
• Define the function of DNS in IP addressing
• Identify common host tools to determine the IP address of a host

Lesson 5: Understanding the TCP/IP Internet Layer

• Transport Layer Functions
• Reliable vs. Best–Effort
• UDP
• TCP
• TCP/IP Applications
• Mapping Layer 3 to Layer 4
• Mapping Layer 4 to Applications
• Establishing a Connection with a Peer System
• Flow Control
• Acknowledgment
• Windowing
• TCP Sequence Number and Acknowledgment Numbers
• Explain the purpose and functions of the transport layer
• Contrast connection-oriented transport with connectionless transport
• List the characteristics of UDP
• List the characteristics of TCP
• List common applications provided by TCP/IP
• Describe how the protocol stack maps Layer 3 to Layer 4
• Describe how the protocol stack maps Layer 4 to applications
• Order the steps of the initialization of a TCP connection
• Describe the reasons for and the mechanics of flow control
• Order the steps in an acknowledgment sequence
• Define the function of windowing
• Define sequence and acknowledgment numbers

Lesson 6: Exploring the Packet Delivery Process

• Layer 1 Devices and Their Function
• Layer 2 Devices and Their Function
• Layer 2 Addressing
• Layer 3 Devices and Their Function
• Layer 3 Addressing
• Mapping Layer 2 Addressing to Layer 3 Addressing
• ARP Table
• Host-to-Host Packet Delivery
• Function of the Default Gateway
• Using Common Host Tools to Determine the Path Between Two Hosts Across a Network
• Describe Layer 1 devices and their function
• Describe Layer 2 devices and their function
• Describe Layer 2 addressing
• Describe Layer 3 devices and their function
• Describe Layer 3 addressing
• Describe mapping Layer 2 addressing to Layer 3 addressing
• Describe the ARP table
• Describe packet delivery (host-to-host)
• Describe the function of the default gateway
• Use common host tools to determine the path between two hosts across a network

Lesson 7: Understanding Ethernet

• Definition of a LAN
• Components of a LAN
• Functions of a LAN
• How Big Is a LAN?
• Ethernet
• Ethernet LAN Standards
• The Role of CSMA/CD in Ethernet
• Ethernet Frames
• Ethernet Frame Addressing
• Ethernet Addresses
• MAC Addresses and Binary-Hexadecimal Numbers
• Define a LAN
• Identify the components of a LAN
• List the functions of a LAN
• Describe LAN sizes
• Describe the evolution of Ethernet (IEEE 802.3)
• Describe the standards that govern Ethernet
• Define how CSMA/CD operates
• Identify the fields of an Ethernet frame and explain their functions
• List the characteristics of each type of Ethernet frame addressing
• Define the purpose and components of an Ethernet address
• Define the hexadecimal structure and function of MAC addresses in an Ethernet LAN

Lesson 8: Connecting to an Ethernet LAN

• Ethernet Network Interface Cards
• Ethernet Media and Connection Requirements
• Connection Media
• Unshielded Twisted-Pair Cable
• UTP Implementation
• List the functions of a NIC in an Ethernet LAN
• List the connection requirements for an Ethernet LAN
• Define the types of Ethernet LAN connection media
• List the characteristics of an unshielded twisted-pair cable
• Recognize the differences between straight-through and crossover cables, and explain the appropriate uses for each

Module 2: Ethernet LANs

Lesson 1: Understanding the Challenges of Shared LANs

• Ethernet LAN Segments
• Extending a LAN Segment
• Collisions
• Collision Domains
• Define Ethernet LAN segments and their distance limitations
• List the characteristics and functions of a hub in an Ethernet LAN
• Define collisions on a LAN and list the conditions that produce them
• Define collision domains in an Ethernet LAN

Lesson 2: Solving Network Challenges with Switched LAN Technology

• Identify the typical causes of network congestion on an Ethernet LAN
• List the characteristics and functions of a bridge in alleviating network congestion
• List the characteristics and functions of a switch
• Compare the network performance of a switch to the network performance of a bridge
• List the three functions of a switch
• Typical Causes of Network Congestion
• Bridges—Early Solutions to Network Congestion
• Switches
• Switches versus Bridges
• How Switches Segment the Ethernet Network
• Switching in Action
• LANs Using Switched Technology
• Describe how LANs today use switching technology
• Describe how switching works

Lesson 3: Exploring the Packet Delivery Process

• Describe Layer 2 addressing
• Describe Layer 3 addressing
• Describe packet delivery (host-to-host)
• Layer 2 Addressing
• Layer 3 Addressing
• Host-to-Host Packet Delivery

Lesson 4: Operating Cisco IOS Software

• Cisco IOS Software Features and Functions
• Configuring Network Devices
• External Configuration Sources
• Cisco IOS CLI Functions
• Entering the EXEC Modes
• Keyboard Help in the CLI
• Enhanced Editing Commands
• Command History
• List the features and functions of Cisco IOS Software in relation to enterprise network considerations
• Describe the initial startup for Cisco network devices
• Describe external configurations for Cisco network devices
• Define the features of the Cisco IOS CLI
• Describe how to start an EXEC session and change EXEC modes
• Identify the online help functions associated with the device CLI
• Describe the enhanced editing functions of the Cisco IOS CLI
• Use the device command history feature of the CLI

Lesson 5: Starting a Switch

• Start up a Cisco IOS switch
• Identify the conditions reflected by the LEDs on Cisco IOS switches
• Describe the initial boot output from a Cisco IOS switch
• Log in to a Cisco IOS switch
• Configure a Cisco IOS switch from the command line
• Verify the initial switch operation
• Physical Startup of the Catalyst Switch
• Switch LED Indicators
• Viewing Initial Bootup Output from the Switch
• Logging In to the Switch
• Configuring a Switch from the Command Line
• Showing the Switch Initial Startup Status
• MAC Address Table Management
• Lab 2-4: Operating and Configuring a Cisco IOS Device
• Use the appropriate show command for MAC address table management

Lesson 6: Understanding Switch Security

• Physical and Environmental Threats
• Configuring Password Security
• Configuring the Login Banner
• Telnet vs. SSH Access
• Port Security Configuration
• Securing Unused Ports
• Configure port security
• Describe how to mitigate hardware, environmental, electrical, and maintenance-related security threats to Cisco switches and switches
• Configure password security
• Configure the Login Banner
• Describe the difference between using Telnet versus SSH for remote access

Lesson 7: Maximizing the Benefits of Switching

• Micro segmentation
• Duplex Communication
• The Need for Different Media Rates in an Enterprise Network
• Physical Redundancy in an Ethernet LAN
• Loop Resolution with Spanning Tree Protocol
• List the characteristics and advantages of micro segmentation
• Identify the need for different media rates in enterprise networks
and describe how this need can be satisfied in a switched Ethernet network
• Describe how loops can affect performance in a switched LAN
• Describe how STP protects against loops resulting from physical redundancy in an Ethernet LAN
• Compare half-duplex and full-duplex operation in an Ethernet LAN

Lesson 8: Troubleshooting Switch Issues

• Using a Layered Approach
• Identifying and Resolving Media Issues
• Identifying and Resolving Common Access Port Issues
• Identify switch issues using a layered approach
• Identify and resolve common switched network media issues
• Identify and resolving common access port issues
• Identify and resolve common configuration issues

Module 3: Wireless LANs

Lesson 1: Exploring Wireless Networking

• The Business Case for WLAN Service
• Differences Between WLANs and LANs
• Radio Frequency Transmission
• Organizations that Define WLANs
• ITU-R Local FCC Wireless
• 802.11 Standards Comparison
• Describe Wi-Fi Certification
• Compare the different IEEE 802.11 standards
• Describe the business case for WLAN services
• Describe the differences between WLAN and LAN implementations
• Identify the characteristics of the radio frequency transmissions used by WLANs
• Identify the organizations that define WLAN standards
• Describe the three unlicensed bands used by ITU-R local FCC Wireless

Lesson 2: Understanding WLAN Security

• Wireless LAN Security Threats
• Mitigating Security Threats
• Evolution of Wireless LAN Security
• Wireless Client Association
• How 802.1X Works on WLANs
• WPA and WPA2 Modes
• Describe common threats to WLAN services
• Describe methods of mitigating security threats to WLAN services
• Describe the evolution of WLAN security.
• Describe the wireless client association process
• Describes how IEEE 802.1X provides additional WLAN security
• Describe the modes of WPA

Lesson 3: Implementing a WLAN

• 802.11 Topology Building Blocks
• BSA Wireless Topology
• Wireless Topology Data Rates
• Access Point Configuration
• Steps to Implement a Wireless Network
• Wireless Clients
• Wireless Troubleshooting
• Describe the IEEE 802.11 topologies
• Describe BSA WLAN service
• Describe the effect of distance and speed on WLAN service
• Describe the factors that should be considered in implementation of an access point
• Describe basic wireless implementation
• Describes the form factors to add wireless to existing laptops
• Describe how to troubleshoot common wireless issues

Module 4: LAN Connections

Lesson 1: Exploring the Functions of Routing
• Routers
• Path Determination
• Routing Tables
• Static, Dynamic, Directly Connected, and Default Routes
• Dynamic Routing Protocols
• List the characteristics of routing protocols that build and maintain routing tables
automatically
• Describe the physical characteristics of a router and the functions of a router in the IP packet delivery process
• Describe the method used in determining the optimal path for forwarding IP packets between networks
• List the characteristics of routing tables and their function in path determination
• Match the characteristics of a static route, dynamic route, directly connected route, and default route to the appropriate route type

Lesson 2: Understanding Binary Basics

• Decimal and Binary Systems
• Powers of 2
• Decimal-to-Binary Conversion
• Binary-to-Decimal Conversion
• Describe the decimal and binary number systems
• Describe the “powers of 2” process
• Convert a decimal number to a binary number
• Convert a binary number to a decimal number

Lesson 3: Constructing a Network Addressing Scheme

• Subnetworks
• Computing Usable Subnetworks and Hosts
• How End Systems Use Subnet Masks
• How Routers Use Subnet Masks
• Mechanics of Subnet Mask Operation
• Applying Subnet Mask Operation
• Define the purpose and function of a subnet
• Describe the process of computing usable subnet and host addresses
• Describe how end systems use subnet masks to locate a destination device
• Describe how routers use subnet masks to route a packet to its destination
• Describe the mechanics of subnet mask operation
• Apply subnet mask operations to Class A, B, and C IP addresses

Lesson 4: Starting a Cisco Router

• Initial Startup of a Cisco Router
• Initial Setup of a Cisco Router
• Logging In to the Cisco Router
• Showing the Router Initial Startup Status
• Start up a Cisco router
• Start the initial setup process for a Cisco router
• Log in to a Cisco router
• Show the hardware and software status of a Cisco router

Lesson 5: Configuring a Cisco Router

• Cisco Router Configuration Modes
• Configuring a Cisco Router from the CLI
• Configuring Cisco Router Interfaces
• Configuring the Cisco Router IP Address
• Verifying the Interface Configuration
• Describe the router configuration modes
• Configure a router from the CLI
• Configure router interfaces
• Configure a router IP address
• Verify the router interface configuration

Lesson 6: Exploring the Packet Delivery Process

• Layer 2 Addressing
• Layer 3 Addressing
• Host-to-Host Packet Delivery
• Using the show ip arp Command
• Using Common Cisco IOS Tools
• Describe Layer 2 addressing
• Describe Layer 3 addressing
• Describe host-to-host packet delivery
• Describe the use of the show ip arp command
• Describe the use of common Cisco IOS tools to verify connectivity

Lesson 7: Understanding Cisco Router Security

• Physical and Environmental Threats
• Configuring Password Security
• Configuring the Login Banner
• Telnet and SSH Access
• Describe how to mitigate hardware, environmental, electrical, and maintenance-related security threats to Cisco routers
• Configure password security
• Configure the login banner
• Describe Telnet and SSH for remote access

Lesson 8: Understanding Cisco Router Security

• Cisco SDM Overview
• Cisco SDM User Interface
• Cisco SDM Wizards
• Describe the features of Cisco SDM
• Explain how to use the elements of the Cisco SDM interface
• Explain the function of each of the five Cisco SDM wizards

Lesson 9: Using a Cisco Router as a DHCP Server

• Understanding DHCP
• Using a Cisco Router as a DHCP Server
• Using Cisco SDM to Enable the DHCP Server Function
• Monitoring DHCP Server Functions
• Describe the features of DHCP
• Describe using a router as a DHCP server
• Describe how to use Cisco SDM to enable the DHCP server to function on a router
• Describe how to monitor DHCP server functions

Lesson 10: Accessing Remote Devices

• Establishing a Telnet or SSH Connection
• Suspending and Resuming a Telnet Session
• Closing a Telnet Session
• Alternate Connectivity Tests
• Use Telnet and SSH to connect to remote network devices
• Suspend and resume a Telnet session
• Close a Telnet session
• Use Cisco IOS Software commands to test connectivity

Module 5: WAN Connections

Lesson 1: Understanding WAN Technologies

• What Is a WAN?
• Why Are WANs Necessary?
• How Is a WAN Different from a LAN?
• WAN Access and the OSI Reference Model
• WAN Devices
• WAN Cabling
• The Role of Routers in WANs
• WAN Data-Link Protocols
• WAN Communication Link Options
• List the functions and characteristics of a WAN
• List the business needs for WANs
• Compare WANs to LANs
• Describe how WAN protocols operate in relation to the OSI reference model
• List the hardware devices that typically function in connecting to a WAN and define their functions
• Describe the cabling that is available for WAN connections
• Define the role of routers for WAN access
• List the major protocols that operate in a WAN environment
• List the major types of WAN access communication link options

Lesson 2: Enabling the Internet Connection

• Packet-Switched Communication Links
• Digital Subscriber Line
• Cable
• Global Internet: The Largest WAN
• Obtaining an Interface Address from a DHCP Server
• Introducing NAT and PAT
• Translating Inside Source Addresses
• Configuring the DHCP Client and PAT
• Verifying the DHCP Client Configuration
• Verifying the NAT and PAT Configuration
• Define the functions of a packet-switched WAN communication link
• List the characteristics and functions of DSL
• List the characteristics and functions of cable-based WANs
• Describe the evolution and the function of the global Internet
• Describe the process of obtaining an interface address from a DHCP server
• Describe the features of NAT and PAT on Cisco routers
• Describe using static and dynamic translation to translate inside source addresses
• Use Cisco SDM to configure the DHCP client and PAT by
overloading an inside global address
• Use Cisco SDM to verify that the DHCP client is operating as expected
• Use Cisco IOS commands to verify that NAT and PAT are operating as expected

Lesson 3: Enabling Static Routing

• Routing Overview
• Static and Dynamic Route Comparison
• Static Route Configuration
• Default Route Forwarding Configuration
• Static Route Configuration Verification
• Describe the basic characteristics of IP static and dynamic routing
• Explain the differences between static and dynamic routing
• Configure static routes on Cisco routers
• Configure default route forwarding
• Verify static route configurations

Lesson 4: Configuring Serial Encapsulation

• Circuit-Switched Communication Links
• Public Switched Telephone Network
• Point-to-Point Communication Links
• High-Level Data-Link Control Protocol
• Configuring HDLC Encapsulation
• Point-to-Point Protocol
• Serial Encapsulation Configuration Verification
• Frame Relay
• ATM and Cell Switching
• Define the characteristics of ATM
• Define the functions and characteristics of circuit-switched WAN communication links
• Define the characteristics and functions of the PSTN
• Define the functions and characteristics of point-to-point communication links
• Define the characteristics of HDLC
• Explain how to configure HDLC encapsulation on a serial port
• Define the characteristics of PPP and describe how it is enabled on a serial interface
• Verify HDLC and PPP configurations
• Define the characteristics of Frame Relay

Lesson 5: Enabling RIP

• Dynamic Routing Protocol Overview
• Classless vs. Classful Routing
• Distance Vector Route Selection
• RIP Features
• RIPv1 and RIPv2 Comparison
• Dynamic Routing Configuration Tasks
• RIP Configuration
• RIP Configuration Verification
• RIP Configuration Troubleshooting
• Describe the purpose, types, and classes of dynamic routing protocols
• Describe the different classes of routing protocols
• Describe how a distance vector routing protocol selects routes and maintains routing information
• Describe the features of RIP
• Describe the differences between RIPv1 and RIPv2
• Describe the tasks required to enable a dynamic routing protocol on a Cisco router
• Describe the configuration tasks needed to enable basic RIP routing on a Cisco router
• Use the show commands to verify the RIP configuration
• Describe the use of the debug ip rip command

Module 6: Network Environment Management

Lesson 1: Discovering Neighbors on the Network

• Cisco Discovery Protocol
• Information Obtained with Cisco Discovery Protocol
• Implementation of Cisco Discovery Protocol
• Using the show cdp neighbors Command
• Monitoring and Maintaining Cisco Discovery Protocol
• Creating a Network Map of the Environment
• Describe the information provided by Cisco Discovery Protocol
• Enable and disable Cisco Discovery Protocol
• Determine the host names and addresses of neighboring Cisco devices using Cisco Discovery Protocol
• Monitor and maintain information about neighboring Cisco devices using Cisco Discovery Protocol
• Use information gathered using Cisco Discovery Protocol to create a network map of the environment

Lesson 2: Managing Cisco Router Startup and Configuration

• Stages of the Router Power-On Boot Sequence
• Internal Router Components
• How a Cisco Device Locates and Loads Cisco IOS Image and Configuration Files
• Configuration Register
• Describe the router boot sequence and explain how to verify that the router booted correctly
• Identify the internal components of Cisco routers
• Describe the process for locating the Cisco IOS image
• Display and change the boot information in the configuration register

Lesson 3: Managing Cisco Devices

• Cisco IOS File System and Devices
• Managing Cisco IOS Images
• Managing Device Configuration Files
• Cisco IOS copy Command
• Using show and debug Commands on Operational Cisco Devices
• Describe the file systems used by a Cisco router
• Manage Cisco IOS image files to maintain accessible Cisco IOS images
• Manage device configuration files to reduce device downtime
• Use the copy command to move configurations
• Use troubleshooting commands and processes to minimize any potentially adverse impact on Cisco devices