1: Service Provider Routing

Discover the main characteristics of routing protocols used in the service provider environment.

• Understanding Service Provider Routing Protocols
  • Describe the characteristics and requirements for routing protocols in service provider environments
  • Describe the characteristics of OSPF in service provider environments
  • Describe the characteristics of IS-IS in service provider environments
  • Describe the characteristics of BGP in service provider environments

2: Implement OSPF in the Service Provider Network

Build a scalable multiarea network with OSPF in the service provider environment.

• Introducing OSPF Routing
  • Describe OSPF in the Cisco IP NGN, and describe the features of link-state routing protocols
  • Describe the two-tier hierarchy structure of OSPF, including the characteristics of transit areas and regular areas, and the terminology that is used
  • Describe how routers establish OSPF neighbor adjacencies, exchange LSAs, and calculate the best path
  • Describe how to interpret content of the OSPF LSDB
• Understanding OSPF Operation
  • Describe OSPF packet types and OSPF packet operation
  • Describe OSPF neighbor adjacencies establishment, LSDB exchange, and synchronization
  • Describe OSPF network types
  • Describe implementation steps when enabling OSPF on point-to-point, point-to-multipoint, nonbroadcast multiaccess, and broadcast links
• Implementing OSPF Routing
  • Describe how to implement OSPF in the service provider network, and describe the importance of the OSPF router ID
  • Describe how OSPF cost is used to change routing, and explain why and where an OSPF virtual link may be used
  • Describe how to implement OSPF authentication in the service provider network
• LAB: Implement OSPF Routing
• Implementing OSPF Special Area Types
  • Describe interarea and external OSPF route summarization
  • List and describe different OSPF area types
  • Describe OSPF stub area rules, and implement OSPF stub and totally stubby areas
  • Describe OSPF NSSA rules, and implement OSPF NSSA and totally NSSA
• LAB: Implement OSPF Special Area Types

3: Implement Integrated IS-IS in the Service Provider Network

Learn how to configure Integrated IS-IS in the service provider network.

• Introducing IS-IS Routing
  • Describe IS-IS and Integrated IS-IS routing, and compare Integrated IS-IS with OSPF
  • Describe CLNS addressing as it is used in proper IS-IS deployment
  • Describe IS-IS router types and the routing logic that is used in the IS-IS-enabled network
  • Describe IS-IS packet structure and the importance of different TLVs
  • Describe IS-IS network types, adjacency establishment, LSP exchange, and LSDB synchronization
• Implementing Integrated IS-IS Routing
  • Describe the requirement for CLNS addressing, even when you are using IP in an IS-IS environment
  • Describe the configuration process for Integrated IS-IS in an IP environment
• LAB: Implement Integrated IS-IS Routing

4: Implement BGP in the Service Provider Network

Become proficient in implementing and verifying BGP to connect a service provider with customers and other service providers.

• Introducing BGP Routing
  • Describe connectivity between an enterprise network and a service provider that requires the use of BGP
  • Describe how BGP routes between autonomous systems and uses path-vector functionality
• Implementing Basic BGP Routing
  • Initiate basic BGP configuration in the IPv4- and IPv6-enabled network
  • Describe BGP neighbor states
  • Describe the importance of the BGP path attributes in the path selection
• LAB: Implement Basic BGP Routing

5: Routing Protocol Tools and Route Manipulation

Learn the tools, features, and implementation steps for routing protocol manipulation.

• Introducing Routing Protocol Tools
  • Describe the characteristics and requirements for routing policies in service provider environments
  • Describe the characteristics and usage scenarios for prefix lists
  • Describe the characteristics and usage scenarios for AS path-based filtering in service provider environments
  • Describe the characteristics and usage scenarios for route maps in service provider environments
  • Describe the characteristics of RPL
• Implementing Route Redistribution
  • Describe the need to use redistribution in the multiple IP routing protocol environment
  • Describe the procedures that are necessary to configure route redistribution in networks that use Cisco IOS, IOS XE, and IOS XR Software
• LAB: Implement Route Redistribution
• Influencing BGP Route Selection
  • Describe the use of BGP weights to influence the BGP route selection process
  • Describe how the BGP local preference attribute influences BGP route selection
  • Describe the function of AS path prepending and how you can use it to facilitate proper return path selection
  • Describe how MED can be used to facilitate proper return path selection
  • Describe how BGP communities facilitate proper return path selection
• LAB: Influence BGP Route Selection