Designing Cisco Network Service Architectures - Free Books

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Activity VerificationYour group has completed this activity when you have completed answers to the abovequestions, and selected a presenter for the group.The presenter should be prepared to explain and defend your answers to the class. The topicsfor discussion include the following:• What you think are the requirements for MegaCorps, and the justification for your answers• Your diagram, etc. for the best design• Your list of pros and cons for the best design, and how it improves the current MegaCorp(proposed) design. (See the list of detailed items to provide above.)• Your justifications for any changes to the MegaCorp plan that you propose.• Your list of other technical design factors the detailed design should incorporate• Your high-level migration plan.• Your plan for how to mitigate risks in a “modern equipment” version of the MegaCorpcurrent design.• Your proposal for how to accommodate the Metro Ethernet and acquisition into yourdesign, and justification for the main elements you propose.8 Designing Cisco Network Service Architectures (ARCH) v2.0 © 2007 Cisco Systems, Inc.
Case Study 2: CP Hotels Addressing and RoutingDesignThis case study enables you to practice the skills and knowledge learned in the modules up tothis point, especially the “Advanced Addressing and Routing Design” lesson. Any technologywe have not yet discussed is used in only minor ways where superficial knowledge or theinformation provided within the case study should suffice.This case study is based on a fictional company, CP Hotels. CP Hotels is a rapidly-growinghotel organization providing services to a family of 8 hotel brand names such as SuiteSpot TM ,CheapStay TM , El Quarto TM , and PurpleRoof Inn TM . The brands are different corporate divisionswith different cost structures and networking requirements, serviced by the shared ITorganization. Each brand provides different pricing and customer amenities (premium serviceversus low cost, single room versus suite, etc.).You represent a Cisco Partner called in to review the existing CP Hotels addressing and routingdesign, and provide recommendations for improvement.We normally try to use private addressing in case studies. In this case study, we use somefictional public IP address blocks for clarity and a real-world flavor.Activity ObjectiveIn this activity, you will critically review, redesign, and create new parts of an IP addressingand routing design for CP Hotels.After completing this activity, you will be able to meet these objectives:• Examine and critique a moderately complex IP addressing scheme, and propose how toimprove it.• Examine and critique a moderately complex routing scheme, and propose how to improveit.• Evaluate and improve the current route redistribution scheme. Evaluate and improve thecurrent default routing scheme.• Propose a new addressing scheme to provide out-of-band NAC roles and voice VLANs inthe four HQ buildings.• Discuss the impact of moving web servers to collocation facilities, and propose a design forhow to best connect them back to the data centers, and how to best perform routing tothem.Visual ObjectiveThere is no visual objective for this case study.© 2007 Cisco Systems, Inc. Lab Guide 9
Page 1 and 2: ARCHDesigning Cisco NetworkService
Page 3 and 4: Table of ContentsLab Guide 1Overvie
Page 5 and 6: ARCHLab GuideOverviewThis guide pre
Page 7: MegaCorp Campus Case Study Scenario
Page 10: MegaCorp Campus Design TasksComplet
Page 15 and 16: The following diagram illustrates t
Page 17 and 18: Note128 x 256 Kbps is approximately
Page 19 and 20: The routing design uses external Bo
Page 21 and 22: Addressing at CP HotelsHQ buildings
Page 23 and 24: CP Hotels Design TasksComplete thes
Page 25 and 26: Case Study 3: CP Hotels Network Ini
Page 27 and 28: Series switches use HSRP and EIGRP
Page 29 and 30: Step 3 (E-Commerce Redesign Stateme
Page 31 and 32: Case Study 4: CP Hotels Security an
Page 33 and 34: The following diagram indicates the
Page 35 and 36: The data centers will be connected
Page 37 and 38: Step 2 Review the CP Hotels design
Page 39 and 40: Case Study 5: DS Medical Research I
Page 41 and 42: DS-MRI Design TasksComplete these s
Page 43 and 44: Activity VerificationYour group has
Page 45 and 46: Answer KeyThe recommended solutions
Page 47 and 48: uplinks, since the speeds on the up
Page 49 and 50: Case Study 2 Answer Key: CP Hotels
Page 51 and 52: Another option uses 3 bits for desi
Page 53 and 54: Case Study 3 Answers: CP Hotels Net
Page 55 and 56: Step 3 E-Commerce Refresh• For th
Page 57 and 58: Case Study 4 Answer Key: CP Hotels
Page 59 and 60: Step 2 CP Hotels Security• The to
Page 61 and 62:
Case Study 5 Answer Key: DS Medical
Page 63 and 64:
Step 5 High Level Storage Design•
Page 65 and 66:
• DS-MRI would also need to ident
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