Cisco OSPF Command and Configuration Handbook (paperback)

by Parkhurst, William R., Ph.D., CCIE®

• ISBN13: 9781587055409
• ISBN10: 1587055406
• Edition: 1st
• Format: Paperback
• Copyright: 2002-04-18
• Publisher: Cisco Press

Summary

The comprehensive, hands-on guide to all Cisco IOS Software OSPF commands Stands as the complete OSPF command reference -- invaluable for network designers, engineers, and architects Provides configuration, troubleshooting, and verification scenarios for every possible OSPF command supported by Cisco IOS Software that can be implemented on a minimum number of routers Groups OSPF commands by area of implementation -- area configuration, redistribution, neighbor relationships, and route filtering, just to name a few Provides clear and concise commentary on the initial release, purpose, syntax, and usage of each OSPF command Offers excellent CCIE certification preparation from one of the CCIE Program Managers Constructed as a portable field guide with easily navigable content so you can quickly find the information you need when you need it As one of the most predominantly deployed Interior Gateway Protocols, Open Shortest Path First (OSPF) demands a wealth of knowledge on the part of internetworking professionals working with it on a daily basis. Unfortunately, publicly available documentation on the OSPF command set varies from being too thin on coverage to being too demanding on the required equipment needed to test what the documentation covers. Cisco OSPF Command and Configuration Handbookis a clear, concise, and complete source of documentation for all Cisco IOS Software OSPF commands. The way you use this book will depend on your objectives. If you are preparing for the CCIE written and lab exams, then this book can be used as a laboratory guide to learn the purpose and proper use of every OSPF command. If you are a network designer, then this book can be used as a ready reference for any OSPF command. Cisco OSPF Command and Configuration Handbookprovides example scenarios that demonstrate the proper use of every OSPF command that can be implemented on a minimum number of routers. This will enable you to learn each command without requiring an extensive and expensive lab configuration. The scenarios clearly present the purpose and use of each command. Some of the examples lead you into common non-working situations in order to reinforce the understanding of the operation of the particular OSPF command. Author Bill Parkhurst provides concise snapshots of every command with regard to command purpose, usage, syntax explanation, initial introduction in Cisco IOS Software, and cross references to related commands also covered in the book. This book covers many OSPF topic areas, including interface configuration, OSPF area configuration, route filtering, OSPF process configuration, route cost, default route generation, redistribution, administrative distance, OSPF neighbor relationships, route summarization, and show, debug, and clear commands.

Author Biography

William R. Parkhurst, Ph.D., CCIE is the manager of the CCIE Development group at Cisco Systems(r). The CCIE Development group is responsible for all new CCIE written qualification and laboratory exams. Prior to joining the CCIE team, Bill was a Consulting Systems Engineer supporting the Sprint Operation. He first became associated with Cisco Systems while a Professor of Electrical and Computer Engineering at Wichita State University. In conjunction with Cisco Systems, WSU established the first CCIE Preparation Laboratory. Parkhurst is the author of several networking books, including Cisco BGP-4 Command and Configuration Reference, published by Cisco Press.

Table of Contents

Introduction

OSPF Process Configuration Commands

Router ospf process-id

Router ospf process-id vrf name

OSPF Area Commands

Area area-id authentication

Area area-id authentication message-digest

Area area-id default-cost cost

Area area-id nssa

Area area-id nssa default-information-originate

Area area-id nssa no-redistribution

Area area-id nssa no-summary

Area area-id range ip-address mask

Area area-id range ip-address mask advertise

Area area-id range ip-address mask not-advertise

Area area-id stub

Area area-id stub no-summary

Area transit-area-id virtual-link router-id

Area transit-area-id virtual-link router-id authentication

Area transit-area-id virtual-link router-id authentication message-digest

Area transit-area-id virtual-link router-id authentication null

Area transit-area-id virtual-link router-id authentication-key password

Area transit-area-id virtual-link router-id dead-interval seconds

Area transit-area-id virtual-link router-id hello-interval seconds

Area transit-area-id virtual-link router-id message-digest-key key-id md5

Area transit-area-id virtual-link router-id retransmit-interval seconds

Area transit-area-id virtual-link router-id transmit-delay seconds

Auto Cost

Auto-cost reference-bandwidth bandwidth

Default Route Generation

default-information originate

Default-information originate always

Default-information originate metric cost

Default-information originate always metric cost

Default-information originate metric-type type

Default-information originate always metric-type type

Default-information originate route-map route-map-name

Setting the Default Metric for Redistributed Protocols

Default-metric cost

Administrative Distance

Distance administrative-distance

Distance administrative-distance source-ip-address source-ip-mask

Distance administrative-distance source-ip-address source-ip-mask

Distance ospf external administrative-distance

Distance ospf inter-area administrative-distance

Distance ospf intra-area administrative-distance

Filtering Routes with Distribute Lists

Distribute-list access-list-number in

Distribute-list access-list-number in interface-type interface-number

Distribute-list access-list-number out

Distribute-list access-list-number out interface-type interface-number

Distribute-list access-list-number out routing-process

Distribute-list access-list-name in

Distribute-list access-list-name in interface-type interface-number

Distribute-list access-list-name out

Distribute-list access-list-name out interface-type interface-number

Distribute-list access-list-name out routing-process

Distribute-list prefix prefix-list-name in

Distribute-list prefix prefix-list-name in interface-type interface-number

Distribute-list prefix prefix-list-name out

Distribute-list prefix prefix-list-name out interface-type interface-number

Distribute-list prefix prefix-list-name out routing-process

Handling of MOSPF LSAs

Ignore lsa mospf

Logging OSPF Neighbor Changes

Log-adjacency-changes

Log adjacency-changes detail

Multiple Path Configuration

Maximum-paths number-of-paths

OSPF neighbor Commands

Neighbor ip-address

Neighbor ip-address cost cost

Neighbor ip-address database-filter all out

Neighbor ip-address poll-interval interval

Neighbor ip-address priority priority

OSPF network Command

Network ip-address wild-card-mask area area-id

Passive OSPF Interfaces

Passive-interface interface-name interface-number

Passive-interface default

Route Redistributionre

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