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Cisco Systems OL-4580-01 manual 3-44, Configuring Open Shortest Path First OSPF

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Chapter 3 Configuring Open Shortest Path First (OSPF)

OSPF Configuration in a Startup-Configuration File

	Cisco Content Services Switch Routing and Bridging Configuration Guide
3-44	OL-4580-01

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Cisco Systems OL-4580-01 manual 3-44, Configuring Open Shortest Path First OSPF

Contents

Software Version January Cisco Content Services Switch Routing and Bridging ConfigurationGuide Corporate HeadquartersCopyright 2004, Cisco Systems, Inc. All rights reserved C O N T E N T S PrefaceEnabling BPDU Guard Configuring CircuitsConfiguring Circuit-IP Unreachables Showing Interface InformationConfiguring Spanning-Tree Bridge Priority Configuring Router-Discovery Limited-BroadcastConfiguring Spanning-Tree Bridge Aging-Time Configuring Spanning -Tree Bridging for the CSSOSPF Overview AreasStub Area Showing Summary Route Configuration Information Setting the Retransmission IntervalShowing the Configured Advertised ASE Routes OSPF Configuration in a Startup-Configuration FileContents Configuring Routing Information ProtocolConfiguring the Internet Protocol Configuring an IP Source RouteConfiguring the DHCP Relay Agent Setting the CDP Hold TimeConfiguring the Cisco Discovery Protocol ContentsContents OL-4580-01CSS Interfaces and Circuits Interface Trunking Between VLANsF I G U R E S Example of SPAN ConnectivityFigures OL-4580-01Interface and Circuit Configuration Quick Start Field Description for the show bridge port-fast CommandGlobal OSPF Configuration Quick Start Field Descriptions for the show circuits CommandField Descriptions for the show ospf redistribute Command IP Configuration Quick StartField Descriptions for the show ospf ase Command RIP Configuration Quick StartSymbols and Conventions Obtaining Documentation PrefaceAudience How to Use This Guide Related Documentation Documentation Feedback Obtaining Technical AssistanceChapter 1, Configuring How to Use This GuideAudience Configure the CSS interface ports and circuits forConfigure Cisco Discovery Protocol CDP Related DocumentationChapter 7, Configuring Chapter 8, ConfiguringDocument Title Descriptionxviii Document Title DescriptionSymbols and Conventions Obtaining Documentation Cisco.comOrdering Documentation Cisco Technical Support Website Documentation FeedbackObtaining Technical Assistance http//tools.cisco.com/RPF/register/register.doOpening a TAC Case TAC Case Priority Definitionsxxiii Obtaining Additional Publications and Information http//cisco.com/univercd/cc/td/doc/pcatxxiv Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL xxvi Preface Obtaining Additional Publications and InformationOL-4580-01 Interface and Circuit Overview Configuring Interfaces Interface and Circuit OverviewConfiguring Interfaces and Circuits Configuring Circuits Configuring RIP for an IP InterfaceFor an 802.1Q trunk, you can use the default-vlan command to Figure 1-1 CSS Interfaces and Circuits Figure 1-2 Interface Trunking Between VLANsTrunk Interface and Circuit Configuration Quick Start Task and Command ExampleTask and Command Example 8. Optional Display the interface configurationConfiguring Interface Duplex and Speed Configuring InterfacesConfiguring an Interface Entering a Description for the Interface Setting Interface Maximum Idle Time Bridging an Interface to a VLANConfiguring an Interface Entering a Description for the InterfaceConfiguring Interface Duplex and Speed Use the phy command to configure the duplex, speed Fast Ethernet ports only, and flow control Gigabit Ethernet ports only for the interface ports, as follows Setting Interface Maximum Idle Time 1-10Bridging an Interface to a VLAN Specifying VLAN Trunking for an Interface1-11 Chapter 1 Configuring Interfaces and Circuits Configuring Interfaces config-trunkif2/3# no trunk1-12 Selecting a Default VLAN in a Trunk config-if-vlan1/1-3# no default-vlan1-13 Configuring Spanning-Tree Bridge Port Priority Configuring Spanning-Tree Bridging for a VLAN or a Trunked InterfaceConfiguring Spanning-Tree Bridge Pathcost Configuring Spanning-Tree Bridge StateConfiguring Spanning-Tree Bridge Pathcost Configuring Spanning-Tree Bridge Port Priority1-15 Enabling Port Fast Enabling BPDU Guard Showing Port Fast Information Configuring Port Fast on an InterfaceConfiguring Spanning-Tree Bridge State 1-16config-if2/1# bridge port-fast enable Enabling Port FastEnabling BPDU Guard config-if2/1# bridge port-fast disableField Showing Port Fast Informationdisabled command DescriptionShowing Bridge Configurations Showing Trunking Configurations Showing Interface ConfigurationsShowing Bridge Configurations Showing Interface Statistics Showing Ethernet Interface ErrorsField FieldDescription DescriptionDescription Command continuedField 1-21Field Showing Trunking ConfigurationsShowing Interface Information DescriptionField Showing Interface Duplex and SpeedTable 1-6 Field Descriptions for the show interface Command DescriptionField Showing Interface StatisticsTable 1-7 Field Descriptions for the show phy Command DescriptionDescription Table 1-8 describes the fields in the show mibii command outputField 1-25Description Table 1-8 Field Descriptions for the show mibii Command continuedField 1-26Description Showing Ethernet Interface ErrorsField 1-27Field Description1-28 config-ife3# admin-shutdown Shutting Down an InterfaceShutting Down All Interfaces config-ife3# shutRestarting an Interface Restarting All Interfaces1-30 Configuring a Circuit IP Interface Configuring CircuitsEntering Circuit Configuration Mode Entering Circuit Configuration ModeConfiguring a Circuit IP Address Configuring a Circuit-IP Broadcast Address1-32 Configuring Router-Discovery Preference for a Circuit IP Interface Configuring Circuit-IP RedirectsConfiguring Circuit-IP Unreachables config-circuit-ipVLAN7-172.16.6.58# no redirectsEnabling and Disabling a Circuit IP Configuring Router-Discovery Protocol Settings for a Circuit1-34 Configuring the Router-Discovery Lifetime Configuring the Router-Discovery LifetimeConfiguring Router-Discovery Limited-Broadcast Configuring Router-Discovery Limited-Broadcastconfig-circuitVLAN7# router-discovery max-advertisement-interval 300 Configuring the Router-Discovery Max-Advertisement-IntervalConfiguring the Router-Discovery Min-Advertisement-Interval config-circuitVLAN7# router-discovery min-advertisement-interval 100Field Showing CircuitsTable 1-10 Field Descriptions for the show circuits Command DescriptionField Showing IP InterfacesTable 1-11 Field Descriptions for the show ip interfaces Command DescriptionEnabling RIP on an IP Interface Configuring a RIP Default Route Configuring RIP for an IP InterfaceEnabling RIP on an IP Interface Configuring a RIP Receive Version Configuring RIP Send VersionConfiguring RIP Send Version Configuring a RIP Default RouteConfiguring a RIP Receive Version config-circuit-ipVLAN7-192.168.1.58# rip default-routeConfiguring RIP Packet Logging Showing RIP Configurations for IP Addresses1-41 Description Table 1-12 Field Descriptions for the show rip CommandField 1-42Field FieldDescription DescriptionConfiguring the Switched Port Analyzer Feature 1-44SSPAN Rx 1-45Figure 1-3 Example of SPAN Connectivity SSPAN Txsetspan srcport number destport number copyBothcopyTxOnlycopyRxOnly Configuring SPAN on a CSSConfiguring SPAN on a CSS Verifying the SPAN Configuration on a CSS 1-46Description Verifying the SPAN Configuration on a CSSField 1-47Description Table 1-15 Field Descriptions for the show setspan Command continuedField 1-48Configuring Spanning-Tree Bridging for the CSS C H A P T E RConfiguring Spanning-Tree Bridge Forward-Time CSS Spanning-Tree Bridging Quick StartConfiguring Spanning-Tree Bridge Aging-Time Configuring Spanning-Tree Bridge Hello-TimeConfiguring Spanning-Tree Bridge Aging-Time Task and Command ExampleTable 2-1 Spanning-Tree Bridging Configuration Quick Start continued Configuring Spanning-Tree Bridge Hello-Time Configuring Spanning-Tree Bridge Max-AgeConfiguring Spanning-Tree Bridge Forward-Time Configuring Spanning-Tree Bridge Priority Disabling Bridge Spanning-TreeDescription Showing Bridge ConfigurationsField FieldField DescriptionChapter 2 Configuring Spanning-Tree Bridging for the CSS Showing Bridge ConfigurationsOL-4580-01 Configuring OSPF on the CSS Configuring OSPF on a CSS IP Interface Configuring Open Shortest Path First OSPFOSPF Overview CSS OSPF Configuration Quick Start OSPF Configuration in a Startup-Configuration FileOSPF Overview OSPF Routing Hierarchy Link-State DatabasesOSPF Routing Hierarchy Autonomous System AreasBackbone Area Area Border Routers Stub AreaAutonomous System Boundary Routers Link-State Databases Global OSPF Configuration Quick Start CSS OSPF Configuration Quick StartGlobal OSPF Configuration Quick Start OSPF IP Interface Configuration Quick Startconfig ospf router-id Task and Command ExampleTable 3-1 Global OSPF Configuration Quick Start config ospf areaOSPF IP Interface Configuration Quick Start Task and Command Exampleconfig-circuit-ipVLAN6-3.1.2.2# ospf Task and Command Exampleconfig-circuitVLAN6# ip address 3.1.2.2/24 config-circuit-ipVLAN6-3.1.2.2 ospf areaVerifying Your Configuration 3-11Configuring the OSPF Router ID Enabling OSPF Configuring an Area Configuring OSPF on the CSSConfiguring the OSPF Router ID Configuring Equal-Cost Routes Configuring Summarized Routes at an ABRConfiguring an Area Enabling OSPF3-13 Removing an Area Configuring Equal-Cost RoutesConfiguring Summarized Routes at an ABR 3-14config# no ospf range 0.1.0.1 192.168.0.0 Configuring the CSS as an Autonomous System Boundary Routerconfig# no ospf enable config# ospf range 0.1.0.1 192.168.0.0 config# ospf range 0.1.0.1 192.168.0.0 255.255.0.0 blockAdvertising a Route as an OSPF ASE Route Advertising a Route as an OSPF ASE RouteAdvertising a Default ASE Route Advertising Other Routes Through OSPF 3-163-17 Chapter 3 Configuring Open Shortest Path First OSPFConfiguring OSPF on the CSS OL-4580-01config# ospf advertise 192.168.44.0 Chapter 3 Configuring Open Shortest Path First OSPFConfiguring OSPF on the CSS 3-18config# no ospf advertise config# ospf advertise 193.23.44.0 255.255.255.0 metric 3 type13-19 Advertising a Default ASE Route config# ospf default3-20 config# no ospf default Advertising Other Routes Through OSPFconfig# ospf default metric 10 type1 config# ospf redistribute firewallEnabling OSPF on the Interface Configuring the Interface Attributes Configuring OSPF on a CSS IP InterfaceConfiguring the CSS IP Interface as an OSPF Interface Assigning an OSPF Area to the InterfaceConfiguring the CSS IP Interface as an OSPF Interface 3-23Enabling OSPF on the Interface Configuring the Interface AttributesAssigning an OSPF Area to the Interface Setting the Cost Setting the Dead Router IntervalSetting the Hello Packet Interval Setting the CostSetting the Dead Router Interval Setting the Retransmission Interval Setting the Transit-Link DelaySetting the Password Setting the Poll Interval3-26 Setting the Priority of the CSS Setting the Retransmission Interval3-27 Showing ASE Entries Showing the Configured Advertised ASE Routes Setting the Transit-Link DelayShowing OSPF Information Showing Summary Route Configuration InformationField Showing OSPF Area InformationShowing Global Statistics DescriptionDescription Showing IP Interface InformationField FieldField Description3-31 Field Description3-32 Description Showing Link-State DatabasesField 3-33Description Table 3-6 Field Descriptions for the show ospf lsdb CommandField 3-34ADV Router FieldDescription 3-35Field Showing ASE Entriesshow ospf asegrep DescriptionField Showing the Configured Advertised ASE RoutesTable 3-8 Field Descriptions for the show ospf advertise Command DescriptionDescription Showing the Redistribution PolicyFirewall Field 3-38Field Showing Summary Route Configuration InformationShowing OSPF Neighbors DescriptionAddress FieldDescription 3-40Field Description3-41 Field Description3-42 OSPF Configuration in a Startup-Configuration File OSPF Configuration in a Startup-Configuration FileChapter 3 Configuring Open Shortest Path First OSPF GLOBAL ospf router-id 121.23.21.1 ospf enable3-44 Chapter 3 Configuring Open Shortest Path First OSPFOSPF Configuration in a Startup-Configuration File OL-4580-01ARP Configuration Quick Start Configuring ARP Mapping Configuring the Address ResolutionProtocol Configuring ARP Timeout Configuring ARP Wait Updating ARP ParametersARP Configuration Quick Start Task and Command ExampleTable 4-1 ARP Configuration Quick Start Configuring ARP Mapping arp iporhost macaddress interface vlanConfiguring ARP Timeout Configuring ARP WaitUpdating ARP Parameters Clearing ARP ParametersShowing ARP Information show arp configfilemanagement-portsummaryiporhostField Table 4-2 Field Descriptions for the show arp CommandTable 4-3 Field Descriptions for the show arp summary Command Description# show arp config Table 4-4 Field Descriptions for the show arp config CommandTable 4-5 Field Descriptions for the show arp management-port Command Field# show arp Chapter 4 Configuring the Address Resolution ProtocolShowing ARP Information # show arp fileShowing ARP Information Chapter 4 Configuring the Address Resolution Protocol4-10 OL-4580-01Configuring RIP Redistribute Configuring Equal-Cost RIP Routes Configuring Routing Information ProtocolRIP Configuration Quick Start Configuring RIP Advertise Showing RIP ConfigurationsRIP Configuration Quick Start Task and Command ExampleTable 5-1 RIP Configuration Quick Start Configuring RIP Advertise Configuring RIP Redistributerip redistribute firewalllocalospfstatic metric Configuring Equal-Cost RIP Routes Field Showing RIP ConfigurationsTable 5-2 Field Descriptions for the show rip Command DescriptionField Table 5-2 Field Descriptions for the show rip Command continuedTable 5-3 Field Descriptions for the show rip globals Command DescriptionTable 5-4 Field Descriptions for the show rip statistics Command FieldDescription Chapter 5 Configuring Routing Information Protocol Showing RIP ConfigurationsOL-4580-01 Disabling an Implicit Service for the Static Route Next Hop Configuring the Internet ProtocolIP Configuration Quick Start Configuring an IP Route Configuring an IP Source Route Configuring the IP Record RouteIP Configuration Quick Start Task and Command ExampleTable 6-1 IP Configuration Quick Start Configuring an IP Route ip no-implicit-service ip redundancyPage 0.0.0.0 /0 and a next hop address of 192.167.1.1, enter Disabling an Implicit Service for the Static Route Next Hop config# ip source-route Configuring an IP Source RouteConfiguring the IP Record Route config# no ip source-routeConfiguring Box-to-Box Redundancy Configuring IP Equal-Cost Multipathip ecmp addressno-prefer-ingressroundrobin Forwarding IP Subnet Broadcast Addressed Frames ip subnet-broadcast commandConfiguring IP Unconditional Bridging Configuring IP Opportunistic Layer 3 Forwarding6-10 Figure 6-1 Example of Opportunistic Layer 3 Forwarding Internet Router1 default Subnet CSS6-11 VLAN1 End Station AShowing IP Interface Information Showing IP Routing Information Showing IP Configuration InformationShowing IP Global Configuration Parameters Showing IP Statistics Showing a Summary of IP Global StatisticsField Showing IP Global Configuration ParametersTable 6-2 Field Descriptions for the show ip config Command DescriptionField Table 6-3 Field Descriptions for the show ip interfaces CommandShowing IP Interface Information DescriptionDescription Showing IP Routing InformationField 6-15Description Showing IP StatisticsField Field6-17 FieldDescription TCP Statistics6-18 FieldDescription ICMP Statistics6-19 FieldDescription ARP StatisticsField Resetting IP StatisticsShowing a Summary of IP Global Statistics DescriptionTotal Hosts FieldDescription 6-216-22 Chapter 6 Configuring the Internet ProtocolShowing IP Configuration Information OL-4580-01Configuring the Cisco Discovery Protocol C H A P T E RSetting the CDP Transmission Rate Showing CDP Information CDP Configuration Quick StartCDP Configuration Quick Start Enabling CDP Setting the CDP Hold Time Task and Command ExampleSetting the CDP Hold Time Enabling CDPcdp holdTime 255 cdp timer config# show cdp Global CDP information Setting the CDP Transmission RateShowing CDP Information Sending CDP packets every 60 secondsDisplaying the DHCP Relay Configuration Configuring the DHCP Relay AgentDHCP Relay Agent Configuration Quick Start C H A P T E RDHCP Relay Agent Configuration Quick Start Task and Command ExampleTable 8-1 DHCP Relay Agent Configuration Quick Start Adding a DHCP Destination on a Circuit Enabling and Disabling DHCP on the CircuitField Displaying the DHCP Relay ConfigurationDefining the Hops Field Value for Forwarding DHCP Messages DescriptionField DescriptionChapter 8 Configuring the DHCP Relay Agent Displaying the DHCP Relay ConfigurationOL-4580-01 I N D E IN-1IN-2 2-2, 4-2, 5-2, 6-23-12 IN-3 IN-4 IN-5 IN-6 IN-7 IN-8 IN-9 IndexOL-4580-01 IN-10 IndexOL-4580-01