This application note provides an overview on how to configure a Performance Routing (PfR) master controller in a redundant configuration. Additional information and more detailed examples and command output from both deployment scenarios can be found in the Transport Diversity: Performanc Routing (PfR) Design Guide at . There are two deployment models shown in this application note: • Dedicated Master Controller Topology, page 3 • Collocated Master Controller Topology, page 8. | Performance Routing PfR Master Controller Redundancy Configuration This application note provides an overview on how to configure a Performance Routing PfR master controller in a redundant configuration. Additional information and more detailed examples and command output from both deployment scenarios can be found in the Transport Diversity Performance Routing PfR Design Guide at go srnd. There are two deployment models shown in this application note Dedicated Master Controller Topology page 3 Collocated Master Controller Topology page 8 Overview This section provides an overview about the dedicated and collocated master controller topologies. Dedicated Master Controller The dedicated master controller topology is typically associated with a campus hub location where deploying routers solely for the purpose of supporting the PfR master controller function is a best practice to support and scale a deployment where a high number more than several hundred network prefixes is expected. This means that a primary and a standby routers are dedicated to supporting the master controller function. This means that the master controller function is supported by a dedicated primary router and a second router is configured as a dedicated standby master controller. 111 111 CISCO Corporate Headquarters Cisco Systems Inc. 170 West Tasman Drive San Jose CA 95134-1706 USA Copyright 2008 Cisco Systems Inc. All rights reserved. Overview Collocated Master Controller The collocated master controller topology is a common deployment in a large branch office environment where two WAN routers support the branch location. Each WAN router has two or more WAN links defined as PfR external interfaces. The term collocated refers to the fact that one border router supports the primary master controller configuration and a second border router is configured as the standby master controller. Assumptions These assumptions are applicable to both deployment models The reader is familiar
