Prescription: NW600 Networking Practice

Aim of Module To provide students with an understanding of Wide Area Networks (WAN) and the knowledge and skills required to configure and manage routers

Credits 14

Knowledge Assumed From NW500 Networking Principles (CCNA 1)

Student Learning hours 140

Content Revised New 2004

Prescription Expiry Date Nov 2007

Note The content of this module is based on Cisco CNAP CCNA 2 V3.0 course content and is cognisant of the Plan for Academy Student Success (PASS)


Level and Assessment Schedule
TopicsHighest
Skill Level
Suggested
Assessment
Percentage
1 Wide Area Networks (WAN) C 5
2 TCP (ISO-OSI Layer 4) C 5
3 IP Routing A 10
4 TCP/IP Error & control Messages A 5
5 Cisco Router Internet Operating System (IOS) C 20
6 Router Configuration P 20
7 Access Control Lists (ACLs) P 15
8 Routing Case Study P 20

100

LEARNING OUTCOMES

The Student Will
C1 Describe the configurations and technologies associated with Wide Area Networks and explain the role of a router in a WAN
C2 Describe TCP operation, including windowing and transport layer ports, and compare MAC and IP addresses and port numbers
A3 Describe static and dynamic routing and configure and troubleshoot various distance vector protocols
A4 Describe ICMP operation, identify the various TCP/IP control messages and demonstrate their application
C5 Identify the major internal and external components of a router, describe the associated functionality and the purpose of the IOS, and demonstrate its fundamental operation
P6 Demonstrate IOS and configuration file management and configure the router
P7 Explain the purpose and application of ACLs and demonstrate their use
P8 Complete a case study on Routing, as prescribed by Cisco

CONTENT

1Wide Area Networks (WAN)
> A description of the configurations and technologies associated with Wide Area Networks will include:
- Identifying key characteristics of common WANs
- Differentiating between these and common LAN technologies
- Explaining the role of a router in a WAN
top
2TCP (ISO-OSI Layer 4)
> A description of TCP operation, including windowing and window size and the transport layer ports will include:
- The interaction and delivery of application layer data
- Synchronization or 3-way handshake
- UDP operation
- Denial of service attacks
- Sequencing numbers and positive ACK
> A comparison of MAC and IP addresses and port numbers will include:
- Multiple conversations and examples of multiple sessions between hosts
- Ports for services and clients
- Well-known port numbers
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3IP Routing
> A description of static and dynamic routing and various routing protocols will include:
- Operation configuration and verification of static routes
- Configuring default route forwarding
- Purpose of routing protocols and autonomous systems
- Identifying the classes of routing protocols
- Distance vector and link-state routing protocol features
- IGP versus EGP
> Configuring and troubleshooting the RIP and IGRP distance vector protocols includes:
- Distance vector routing updates
- Loop issues
- Defining a maximum hop count
- Eliminating routing loops utilising split horizon
- Route poisoning
- Avoiding routing loops with triggered updates
- Preventing routing loops with holddown timers
- Configuring, verifying and troubleshooting RIP including:
- Using the IP classless command
- Load balancing
- Integrating static routes
- Preventing routing updates through an interface
- Configuring, verifying and troubleshooting IGRP including:
- Metrics
- Routes
- Stability features
- Migrating RIP to IGRP
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4TCP/IP Error & control Messages
> A description of ICMP operation and error messages will include:
- Error reporting and error correction
- Testing for Destination reachability
- Destination unreachable
- Address mask requirements
- Clock synchronisation and transit time estimation
> And optionally, identification of TCP/IP control messages including:
- Message delivery
- Echo Request/Reply
- Clock synchronisation and transit time
- Address mask
- Information requests and reply message formats
- Congestion and flow control
- Router discovery and solicitation
- ICMP redirect/change requests
> Demonstrating the various TCP/IP control messages will involve:
- Using ping to test destination reachability
- Detecting excessively long routes
top
5Cisco Router Internet Operating System (IOS)
> Identifying the major internal and external router components includes:
- IOS software features and operation
- Router user interface and interface modes
> A description of the associated router functionality includes:
- Importance of configuration standards
- Interface descriptions
> The description of the router IOS and demonstration of its fundamental operation includes:
- IOS file system overview and naming conventions
- Stages of the power-on boot sequence
- Locating and loading IOS
- Configuration register
- Environmental variables
- Router IOS functionality including:
- Initialisation
- LED indicators
- Examining the initial bootup
- Establishing a HyperTerminal session
- Logging in and CLI keyboard help
- Enhanced editing commands
- Command history
- Troubleshooting command line errors
- Show version command
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6Router Configuration
> A demonstration of router configuration, including the IOS and configuration file management includes:
- Connectivity for:
- Configuring the router
- Network interconnection
- Router boot sequence and verification:
- Using the boot system command
- Trouble shooting IOS boot failure
- Managing configuration files and IOS images using:
- TFTP
- Copy and paste
- Xmodem
- Verification of system files
- Command Line Interface (CLI) command modes
- Configuring router name and password
- Examining the show commands
- Configuring serial and Ethernet interfaces
- Executing adds, moves and changes
- Configuring:
- Interface descriptions
- Message-of-the-day
- Host tables
- Backup and documentation
- Host name resolution
- Login banners
- Copying, editing and pasting configurations
- Utilising the Cisco Discovery Protocol (CDP) including:
- Implementation, monitoring and maintenance of CDP
- Creating a network map of the environment
- Disabling and troubleshooting CDP
- Getting information about remote devices including:
- Establishing and verifying a Telnet session
- Disconnecting and suspending Telnet sessions
- Advanced Telnet operation
- Alternative connectivity tests
- Troubleshooting IP addressing issues
- Router troubleshooting including:
- Examining the router table to determine the administrative distance, route metric and next hop, and the last routing update
- Using a structured (layered) approach to network testing comprising visual indicators and the application of the ping and Telnet commands
- The use of various commands; i.e. show interface and show CDP, traceroute and debug
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7Access Control Lists (ACLs)
> The purpose and application of ACLs will be explained in terms of:
- Their operation
- Creation and verification of ACLs
- Function of the wildcard mask
> A demonstration of their use will include:
- Application of packet control
- Configuring, implementing and analysing ACLs within a router configuration including:
- Standard and extended ACLs
- Named ACLs
- Placing ACLs
- And optionally:
- Firewalls
- Restricting virtual terminal access
top
8Routing Case Study
> The completion of a case study on routing will require:
- Planning and designing IP addressing for a specified network topology
- Connecting switches and routers together in accordance with design specifications
- Configuring the routers to implement the network design
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Note
> A typical assessment strategy should include:
- practical skills tests
- laboratory exercises
- group activities
- progressive on-line tests (CISCO Web Portal)
- summative (final) on-line test (CISCO Web Portal)
- kinaesthetic activities
> LEARNING RESOURCES
- CISCO Networking Academy Programme:
- First-year Companion Guide 3rd Edition
- Lab Companion Volume 1 3rd Edition
- Engineering Journal and Workbook Volume 1 3rd Edition