Understanding the Network: A Practical Guide to Internetworking

Route Control and Redistribution

IOS, for better or worse, supports the redistribution of both static and dynamically derived routing information through dynamic routing protocols. You should take notice of the introductory qualification of "for better or worse." The "better" is the capability to use route redistribution to have different dynamic routing protocols announce each other's routing information. Redistribution is helpful when multiple dynamic routing protocols are used to manage different parts of a large internetwork. This condition is often found in large corporate networks where different sites (and sometimes departments) are managed individually, but need to interact with the larger corporate whole. Here, two-way route redistribution ...