Designing an optimal Layer 3 for Cisco network service architectures

This chapter from 'Authorized Self-Study Guide: Designing Cisco Network Service Architectures, 2nd ed.' examines a select number of topics on both advanced IP addressing and select design issues with Border Gateway Protocol (BGP), Enhanced Interior Gateway Routing Protocol (EIGRP), and Open Shortest Path First (OSPF). Advanced IP addressing and routing protocol design encompasses a large amount of detail that has already filled a number of books on routing protocols and networking best practices. Learn how to design addressing solutions to support summarization, design routing solutions to support summarization, route filtering, and redistribution, and design scalable EIGRP, OSPF and BGP routing solutions for the enterprise.

designing_cisco_net_service_architecture This chapter from Authorized Self-Study Guide: Designing Cisco Network Service Architectures, 2nd ed. examines a select number of topics on both advanced IP addressing and select design issues with Border Gateway Protocol (BGP), Enhanced Interior Gateway Routing Protocol (EIGRP), and Open Shortest Path First (OSPF). As one would expect, advanced IP addressing and routing protocol design encompasses a large amount of detail that has already filled a number of books on routing protocols and networking best practices. The text will parallel topics covered in the Design course.

Learn how to:

  • Design addressing solutions to support summarization
  • Design routing solutions to support summarization, route filtering, and redistribution
  • Design scalable EIGRP, OSPF and BGP routing solutions for the enterprise

Read the rest of chapter 3 in this PDF: Developing an optimum design for Layer 3

Excerpted from Authorized Self-Study Guide: Designing Cisco Network Service Architectures, 2nd ed. by Keith Hutton, Mark Schofield and Diane Teare (ISBN: 1-58705-574-0).

About the book:
Designing Cisco Network Service Architectures (ARCH), Second Edition, is a Cisco-authorized, self-paced learning tool for CCDP foundation learning. This book provides you with knowledge of the latest developments in network design and technologies, including network infrastructure, intelligent network services, and converged network solutions. By reading this book, you will gain a thorough understanding of issues and considerations for fundamental infrastructure services, including security, network management, QoS, high availability, bandwidth use optimization through IP multicasting, and design architectures for network solutions such as voice over WLAN and e-commerce.

Whether you are preparing for CCDP certification or simply want to gain a better understanding of modular campus and edge network design and strategic solutions for enterprise networks such as storage area networking, virtual private networking, advanced addressing and routing, and data centers, you will benefit from the foundation information presented in this book.

Copyright © 2008, Cisco Press. All rights reserved.

About the authors:
Keith Hutton is a lead architect for Bell Canada in the enterprise customer space. Keith still retains his certified Cisco instructor accreditation, as well as the CCDP, CCNP, and CCIP certifications.

Mark Schofield has been a network architect at Bell Canada for the past six years. During the past five years, he has been involved in the design, implementation, and planning of large national networks for Bell Canada's federal government customers.

Diane Teare is a professional in the networking, training, project management, and e-learning fields. She has more than 20 years of experience in designing, implementing, and troubleshooting network hardware and software, and has been involved in teaching, course design, and project management.

This was first published in August 2009

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