Outline

Modules: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | CS 1 | CS 2 | CS 3 | All |

Module 9: BGP

Module Overview |

9.1

Autonomous Systems

9.1.1 | Overview of autonomous systems
9.1.2 | Single-homed autonomous systems
9.1.3 | Multihomed nontransit autonomous systems
9.1.4 | Multihomed transit autonomous systems
9.1.5 | When not to use BGP

9.2

Basic BGP Operation

9.2.1 | BGP routing updates
9.2.2 | BGP neighbors
9.2.3 | BGP message types
9.2.4 | BGP neighbor negotiation
9.2.5 | Network-layer reachability information (NLRI)
9.2.6 | Path attributes

9.3

Configuring BGP

9.3.1 | Basic BGP configuration
9.3.2 | EBGP and IBGP
9.3.3 | EBGP and IBGP configuration example
9.3.4 | EBGP multihop
9.3.5 | Clearing the BGP table
9.3.6 | Peering
9.3.7 | BGP continuity inside an AS

9.4

Monitoring BGP Operation

9.4.1 | Verifying BGP operation

9.5

The BGP Routing Process

9.5.1 | An overview of the BGP routing process
9.5.2 | The BGP routing process model
9.5.3 | Implementing BGP routing policy

9.6

BGP Attributes

9.6.1 | Controlling BGP routing with attributes
9.6.2 | The Next Hop attribute
9.6.3 | Next Hop behavior on multiaccess media
9.6.4 | Next Hop behavior on NBMA networks
9.6.5 | The AS_Path attribute
9.6.6 | AS_Path and private AS numbers
9.6.7 | The Atomic Aggregate attribute
9.6.8 | The Aggregator attribute
9.6.9 | The Local Preference attribute
9.6.10 | Manipulating Local Preference
9.6.11 | The Weight attribute
9.6.12 | The Multiple Exit Discriminator attribute
9.6.13 | MED configuration example
9.6.14 | The Origin attribute

9.7

The BGP Decision Process

9.7.1 | The BGP decision process

9.8

BGP Route Filtering and Policy Routing

9.8.1 | BGP route filtering
9.8.2 | Using filters to implement routing policy
9.8.3 | Using distribute-list to filter BGP routes
9.8.4 | The ip prefix-list command
9.8.5 | Example ip prefix-list configuration

9.9

Redundancy, Symmetry, and Load Balancing

9.9.1 | Issues with redundancy, symmetry, and load balancing
9.9.2 | Redundancy, symmetry, and load balancing
9.9.3 | Default routing in BGP networks
9.9.4 | Symmetry
9.9.5 | Load balancing
9.9.6 | Multihomed connections

9.10

BGP Redistribution

9.10.1 | BGP redistribution overview
9.10.2 | Injection of unwanted or faulty information
9.10.3 | Injecting information statically into BGP
9.10.4 | BGP redistribution configuration example

9.11

BGP Configuration Lab Exercises

9.11.1 | Configuring BGP
9.11.2 | Configuring IBGP and EBGP sessions
9.11.3 | Using the AS_PATH attribute
9.11.4 | Using the LOCAL_PREF and MED attributes

9.12

BGP Configuration Challenge Lab Exercise

9.12.1 | BGP challenge lab

Module Summary |
Module Quiz |

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