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On each router, create an OSPF process that puts each interface into area 0.0.0.1. I strongly recommend that you have one network statement for each interface, but you can experiment with wildcards that put more than one interface into OSPF. It is your choice whether to advertise the loopback subnets. You may choose to enable OSPF debugging and watch the activity as OSPF initializes. With increasing numbers of routers, you will have more and more debug traffic -- you have been warned! Simply record the traffic for later analysis; it will go by too fast to review on the screen | CertificationZone Page 1 of 3 Date of Issue 06-01-2001 OSPF Lab Scenario 1 - Classless and Discontiguous Networks by Howard Berkowitz Setup Initial Configuration OSPF Configuration Requirement Solution Example Configurations Ginger Oregano Soy Garlic Sesame Setup Configure a set of five routers as shown above. All routers are to be in area 0.0.0.1. The yellow solid medium needs to be broadcast multiaccess. While it is shown as Ethernet you may use any LAN technology available on your routers. The blue dotted networks are point-to-point so they can use any medium available on your routers. The red parallel line network is intended to be a stub network so it can be defined on any medium or on a loopback. If you define it on a loopback be sure to use the specified prefix length. Are there discontiguous networks or overlapping network ranges Are they a problem Why or why not Fix them if they are a problem. Initial Configuration Establish unique router IDs for each router putting them on loopback interfaces. Do not yet configure OSPF. Verify addresses and the formation of loopback addresses. http www.certificationzone.com studyguides. Issue 38 IssueDate 06-01-2001 CP 11 06 01 CertificationZone Page 2 of 3 OSPF Configuration Requirement On each router create an OSPF process that puts each interface into area 0.0.0.1. I strongly recommend that you have one network statement for each interface but you can experiment with wildcards that put more than one interface into OSPF. It is your choice whether to advertise the loopback subnets. You may choose to enable OSPF debugging and watch the activity as OSPF initializes. With increasing numbers of routers you will have more and more debug traffic -- you have been warned Simply record the traffic for later analysis it will go by too fast to review on the screen. Troubleshoot any connectivity problems. Observe the routing table that is built. Compare its entries to the general information shown in show ip ospf database and then .
