Once offered exclusively to internal Cisco employees, the complete Border Gateway Protocol (BGP) Fundamental Series is now available to anyone who is interested. If you are studying for your CCNP Routing and Switching certification, these training videos will prove valuable to you. Join award-winning instructor Keith Bogart as he presents comprehensive lessons in BGP operation and configuration.
BGP is an external gateway protocol meant to be used between different networks. It is the protocol used between Internet service providers (ISPs) and also can be used between an enterprise and an ISP. BGP was built for reliability, scalability, and control, not speed. Because of this, it behaves differently from the protocols covered in our other previews. It is a critical resource.
BGP Autonomous System Path
Quick Tips from the BGP Fundamentals Series Training Videos Catalogue
In the figure above, BGP routers in Autonomous System 65100 see network 10.1.1.0 as having an autonomous system path of 65200, 65300, 65400.
Use BGP when the autonomous system is multi-homed, when route path manipulation is needed, or when the autonomous system is a transit autonomous system. (Traffic flows through it to another autonomous system, such as with an ISP.)
Do not use BGP in a single-homed autonomous system, with a router that does not have sufficient resources to handle it, or with a staff that does not have a good understanding of BGP path selection and manipulation.
Learn about these tips and more in the 12-resource BGP training video series.
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|BGP Fundamentals Series|
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BGP Fundamentals Series - FREE Preview Available
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Lesson 2: Protocols, Message Types and Formats
Lesson 3: iBGP and EBGP Neighbor Configurations and Neighbor Establishment
Lesson 4: Load Balancing, iBGP Configuration, Information Transfer,
Lesson 5: Prefix Generation and Synchronization
Lesson 6: Prefix Attributes and Path Selection Criteria 1 through 6
Lesson 7: Prefix Attributes and Path Selection Criteria 7 through 14
Lesson 8: Policy Control, Distribution Lists and Prefix Lists
Lesson 9: Autonomous Path Filtering
Lesson 10: Soft Reconfiguration and Route Refresh
Lesson 11: Scaling iBGP with Route Reflectors
Lesson 12: Scaling iBGP with Confederations
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