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CCNA Discovery 4 - Chapter 7
 

CCNA Discovery 4 - Chapter 7

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    CCNA Discovery 4 - Chapter 7 CCNA Discovery 4 - Chapter 7 Presentation Transcript

    • Prototyping the Campus Network Designing and Supporting Computer Networks – Chapter 7Version 4.0 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1
    • Objectives Describe the purpose for and procedures to build a prototype of the network design Create test plans to perform simulated or prototype test of important design elements Perform proof-of-concept tests on LAN design elements Identify risks and weaknesses in the design based on the proof-of-concept test conclusions © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design  Prototype network: a separate network built to replicate only the portion of a network necessary to test particular functions or capabilities  Pilot network: using a portion of an existing network to test a new functionality or capability © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design  Create a test plan before beginning the testing process  Create a test plan document containing descriptions of the design and topology, test procedures, and anticipated results © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design Methods to verify that a design meets the identified business criteria:  Prototyping  Basic connectivity tests  Functionality testing  Checklists © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design Tools and methods used to validate that the design is working as anticipated:  Cisco IOS commands  IP utilities and tools  Protocol analyzers  Network simulation tools © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design Test the redundancy and resiliency of a specific network design:  Overcoming device and link failures  Redundant links  Load balancing © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7
    • Describe the Purpose for and Procedures to Build a Prototype of the Network Design  Identify what represents a risk or weakness in the design © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing Model Identify goals and requirements met by LAN design:  Testing the new design  Determining what needs to be tested © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing Model Create the test plan:  List test outcomes that support business goals  Provide a checklist of success criteria © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing Model  Develop methodologies for comparing devices and topologies © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing Model  Develop methodologies for validating the choice of routing protocol © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing Model  Apply and test an appropriate addressing scheme © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13
    • Prototype the Hierarchical Network, Routing Protocol, and IP Addressing ModelCompare and analyze risks or weaknesses associated with choosing LAN devices, topologies, and addressing: Lack of redundancy Single ISP for Internet connectivity Limited bandwidth areas Limited fiber connectivity © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14
    • Prototype the Server Farm, Including Security and High Availability  Identify the business goals and technical requirements supporting server relocation to a data center including a server farm. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15
    • Prototype the Server Farm, Including Security and High Availability  Create a success criteria checklist to support business goals and technical requirements for the server farm © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16
    • Prototype the Server Farm, Including Security and High Availability Develop methodologies for comparing devices and topologies:  Creating a baseline  LAN simulation with specific protocols (PVRST+) © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 17
    • Prototype the Server Farm, Including Security and High Availability Prototype the server farm, validating security and availability:  Availability requirements  Multilayer security  Firewalls  ACL design © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 18
    • Prototype the Server Farm, Including Security and High Availability  Build and analyze the prototype of the LAN to ensure business goals and technical requirements have been met © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19
    • Prototype the Server Farm, Including Security and High Availability  Compare and analyze the risks or weaknesses associated with choosing server farm devices, topologies, and addressing © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20
    • Summary The decision to create a prototype or pilot network depends on the type of testing required and the potential disruption to the existing network. Before beginning any testing, a test plan should be developed. Prototypes and simulations can be used to identify risks and areas of weakness in the network design. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 21
    • © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 22