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Cisco ROUTE 2.0: Optimizing and Tuning OSPF

Target Audience
Expected Duration
Lesson Objectives
Course Number

OSPF is a link-state protocol based on the open standard. At a high level, OSPF operation consists of three main elements: neighbor discovery, link-state information exchange, and best-path calculation. To calculate the best path, OSPF utilizes SPF or Dijkstra’s algorithm. The input information for the SPF calculation is link state information, which is exchanged between routers through several different OSPF message types. These message types help improve convergence and scalability in multiarea OSPF deployments. OSPF also supports several different network types, which enables you to configure OSPF over a variety of different underlying network technologies. |n After completing this course, you will understand OSPF adjacencies.

Target Audience
Anyone wishing to obtain real-world routing knowledge, and those that are considering CCNP and CCIP certification. This learning path's discussion of routing could also benefit early CCIE Routing and Switching candidates. Students completing the ROUTE 2.0 learning path should have a solid foundation in routing fundamentals, Cisco IOS basics, and Cisco routing basics. Attending the ICND1 and ICND2 classes or having the CCNA certification will fulfill these expectations.


Expected Duration (hours)

Lesson Objectives

Cisco ROUTE 2.0: Optimizing and Tuning OSPF

  • start the course
  • identify the area Cisco IOS will select when address ranges specified for different areas overlap
  • identify the criteria used in selecting the OSPF router ID
  • manually configure an OSPF router ID
  • identify the commands used to verify an OSPF configuration
  • identify OSPF internal and external route types
  • identify fields in an OSPF hello packet that are used when selecting a DR and BDR
  • recognize how information flows between routers to establish and maintain OSPF links
  • describe how the DR and BDR improve OSPF adjacencies
  • identify how priority is used in the DR/BDR election process
  • modify the OSPF priority on a router
  • describe OSPF neighborship over broadcast networks
  • describe OSPF behavior in an NBMA hub-and-spoke topology
  • describe the role of the interface MTU
  • recognize how OSPF timers can be manipulated
  • describe OSPF neighbor relationships over point-to-point links
  • describe OSPF neighbor relationship behavior over a Layer 2 and Layer 3 MPLS VPN
  • describe OSPF neighbor states
  • describe OSPF network types
  • identify the function of passive interfaces
  • recognize how a virtual link can solve OSPF design issues
  • configure a virtual link
  • verify a virtual link
  • configure basic OSPF
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