Alcatel Carrier Internetworking Solutions 060187-10 REV D specification

OSPF Specifications	Configuring OSPF

OSPF Specifications

RFCs Supported	1370—Applicability Statement for OSPF
	1587—The OSPF NSSA Option
	1850—OSPF Version 2 Management Information
	Base
	2328—OSPF Version 2
	3101—The OSPF Not-So-Stubby Area (NSSA)
	Option
	3623 — Graceful OSPF Restart

Maximum number of Areas (per router)	3

Maximum number of Interfaces (per router)	5

Maximum number of Link State Database	5000
entries (per router)

Maximum number of adjacencies (per	16
router)

Maximum number of ECMP gateways (per	4
destination)

Maximum number of neighbors (per router)	16

Maximum number of routes (per router)	4000 (Depending on the number of interfaces/
	neighbors, this value may vary.)

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OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005

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Alcatel Carrier Internetworking Solutions 060187-10 REV D manual Ospf Specifications

Contents

OmniSwitch 6600 Family Advanced Routing Configuration Guide Page Contents Alcatel INTERNETWORKING, INC. AII Supported Platforms Unsupported Platforms When Should I Read this Manual? What is in this Manual?What is Not in this Manual? Who Should Read this Manual? Stage 1 Using the Switch for the First Time How is the Information Organized?Documentation Roadmap Stage 2 Gaining Familiarity with Basic Switch Functions Stage 3 Integrating the Switch Into a NetworkAnytime OmniSwitch 6600 Family Getting Started Guide Related Documentation Technical Support Configuring Ospf This Chapter Ospf Specifications Ospf Defaults Table Parameter Description Command Default Value/Comments Ospf Quick Steps Router ID Admin Status = Enabled Operational Status = Up Admin Status = EnabledShow ip ospf area Area Identifier Area Type = normal Ospf Overview Ospf Hello Protocol Ospf Areas Ospf Intra-Area and Inter-Area Routing Classification of Routers Virtual Links Ospf Routers Connected with a Virtual Link Stub Areas Ospf Stub Area Not-So-Stubby-Areas Totally Stubby Area Example Graceful Restart on Stacks with Redundant Switches Equal Cost Multi-Path Ecmp RoutingNon Broadcast Ospf Routing Multiple Equal Cost Paths Ospf Graceful Restart Helping and Restarting Router Example Configuring Ospf Preparing the Network for Ospf Activating Ospf Loading the SoftwareEnabling Ospf Removing Ospf from Memory Creating an Ospf Area Creating an AreaEnabling an Area Specifying an Area Type Enabling and Disabling Summarization Displaying Area StatusDeleting an Area Configuring Stub Area Default Metrics Setting Area RangesConfiguring a Totally Stubby Area No ip ospf area 1.1.1.1 default-metric Enter the following commands on Router B Creating Ospf Interfaces Creating an InterfaceAssigning an Interface to an Area Activating an Interface Interface Authentication Simple AuthenticationMD5 Encryption Modifying Interface Parameters Ip ospf interface 120.5.80.1 dead-interval 50 costIp ospf interface 120.5.80.1 hello-interval Ip ospf interface 120.5.80.1 dead-interval Creating Virtual Links Creating a Virtual LinkModifying Virtual Link Parameters Creating Redistribution Policies and Filters Specifying an Autonomous System Boundary RouterEnabling Redistribution Creating a Redistribution Policy Creating a Redistribution Filter Show ip ospf redist-filter Show ip ospf redist-filter ripShow ip ospf redist-filter rip 1.1.0.0 No ip ospf redist-filter rip 1.1.0.0 Configuring Router Capabilities Configuring Static Neighbors Ip ospf interface 1.1.1.1 type non-broadcastIp ospf neighbor 1.1.1.8 eligible Ip ospf restart-support planned-only No ip ospf restart-support Ospf Application Example Three Area Ospf Network Prepare the Routers Ospf Application ExampleConfiguring Ospf Enable Ospf Router Ospf Application Example Examine the Network Verifying Ospf Configuration Software License and Copyright Statements Alcatel License Agreement Alcatel License Agreement Software License and Copyright Statements Booting and Debugging Non-Proprietary Software Third Party Licenses and NoticesOpenLDAP Public License Version 2.4, 8 December Linux GNU General Public License Version 2, JunePreamble Third Party Licenses and Notices Software License and Copyright Statements Third Party Licenses and Notices Appendix How to Apply These Terms to Your New Programs University of California Carnegie-Mellon UniversityRandom.c Apptitude, Inc AgranatRSA Security Inc Sun Microsystems, Inc Wind River Systems, Inc Network Time Protocol Version Index Index