Chapter 7: Route Optimization

Outline:

Chapter Review 
Chapter Overview 
7.1 Controlling Routing Update Traffic
7.1.1 How to prevent routing update exchange and propagation
7.1.2 Using and Configuring the Passive-Interface Command
7.1.3 Using and Configuring Route Filters
7.1.4 Route Filtering Configuration Example
7.2 Default Routing
7.2.1 Gateway of Last Resort
7.2.2 Gateway of Last Resort for a Non-Local Domain
7.2.3 Gateway of Last Resort Fails for a Local Domain
7.2.4 The Solution
7.2.5 Gateway of Last Resort Still Works When Links Fails
7.2.6 Using IP Classless
7.3 Static Routes and Gateways of Last Resort
7.3.1 Improper use of static routes and gateways of last resort
7.3.2 Using Default and Static Routes in Complicated Networks
7.3.3 Dealing with Too Much Default Routing Information
7.3.4  Fixing a Default Gateway Loop
7.3.5  Policy Routing
7.4 The 0.0.0.0 Default Route
7.4.1 RIP and 0.0.0.0
7.4.2 Scenario
7.4.3 Using 0.0.0.0 with IGRP
7.4.4  What to Do Instead of Using 0.0.0.0 with IGRP
7.4.5 Using Floating Static Routes
7.4.6 The default-information originate command
7.5 Using Multiple Routing Protocols
7.5.1 What is Redistribution
7.5.2 Redistribution Implementation Considerations
7.5.3 Selecting the Best Path
7.5.4  Redistribution Guidelines
7.5.5 Redistribution and EIGRP
7.5.6 Modifying Administrative Distance (Optional)
7.5.7 IP Static Route Filtering Configurations Example
7.5.8 Redistribution Example Using ip default-network
7.5.9 Redistribution Example Using distance
7.5.10 Verifying Redistribution Operation
7.6 RIP and OSPF Redistribution
7.6.1 Case Study: Configuring a RIP Network
7.6.2 Adding OSPF to the Center of a RIP Network
7.6.3 Adding OSPF to the Center of a RIP Network
7.6.4  Configuration File Examples
7.6.5 Adding OSPF Areas
7.6.6 Configuration File Examples
7.6.7 Setting Up Mutual Redistribution
Chapter Summary
Chapter Quiz