Routing TCP/IP, Volume I (CCIE Professional Development)

Chapter 13. Route Filtering

• Uses of Route Filters

• Configuring Route Filters

  Case Study: Filtering Specific Routes

  Case Study: Route Filtering and Redistribution

  Case Study: A Protocol Migration

  Case Study: Multiple Redistribution Points

  Case Study: Using Distances to Set Router Preferences

Chapter 11, “Route Redistribution,” presents several situations in which redistribution causes unwanted or inaccurate routes to exist in a particular router. For instance, in Figure 11.3 and the associated discussion, one or more routers choose a sub-optimal route through an internetwork. The problem in that example is that the routers prefer the lower administrative distance of IGRP to the administrative distance of RIP. More generally, any time routes to the ...