Chapter 9: Integrating BGP into ISP Networks

Outline:

Chapter Review 
Chapter Overview 
9.1 Route Reflectors
9.1.1 Route Reflector Basics
9.1.2 Internal Peers without Route Reflectors
9.1.3 Internal Peers with Route Reflectors
9.1.4 Naming Conventions and Rules of Operation
9.2 Route Filtering and Manipulation Process (Policies)
9.2.1 Route Filtering and Attribute Manipulation
9.2.2 Route Filtering and Manipulation Process Actions
9.2.3 How to ID and Filter Routes Based on NLRI
9.2.4 Configuring BGP Filtering Using Prefix Lists
9.2.5 Route Filtering Configuration Example Using a Single Prefix List
9.2.6 The Community Attribute
9.2.7 Configuration Example: Communities
9.2.8 Peer Group
9.2.9 Configuration Example: Peer Groups
9.3 Issues of Redundancy, Symmetry and Load Balancing
9.3.1 Introduction to Redundancy, Symmetry, and Load Balancing
9.3.2 Why Redundancy is Desired
9.3.3 How to Use Dynamically Learned Default Routes
9.3.4  Configuration Example: Dynamically Learned Defaults
9.3.5 How to Use Statically Set Default Routes
9.3.6 Configuration Example: Statically Set default Routes
9.3.7 Symmetry
9.3.8 Loading Balancing
9.3.9 Single-homed Connections
9.4 Various Multihomed Connections to a Single Provider and Multiple Providers
9.4.1 Describe Multihomed Connections with a Single Provider
9.4.2 Default Only, One Primary, and One Backup Link Scenario
9.4.3 Multihomed Scenarios with Multiple Poviders
9.5 Configure BGP to Interact with IGPs
9.5.1 Injecting Information Dynamically into BGP
9.5.2 Injection of Unwanted or Faulty Information
9.5.3 Injecting Information Statically Into BGP
9.5.4 Inject Information Dynamically Into BGP (Configuration)
9.5.5 Inject Routing Information Statically Into BGP
9.6 Practical BGP Design Example
9.6.1 Example Problem
9.6.2 Problem 1
9.6.3 Problem 2
Chapter Summary
Chapter Quiz