While dynamic routing protocols provide easy deployment, there will be situations in which more specific selection of routing paths can be advantageous. cisco Policy Based Routing provides a flexible mechanic for network administrators to customize the operation of the routing table and the flow of traffic within their networks.
Cisco Policy Based Routing offers advanced features, including selection and forwarding of traffic to discreet Virtual Routing and Forwarding (VRF) instances, as well as Enhanced Tracking of the availability of next-hops.
The dynamic routing protocol is easy to deploy, so it is advantageous to select a specific route path under what circumstances. Cisco's policy, based on routing, provides a flexible mechanism for network administrators to customize route tables and traffic that operate their networks.
Cisco's policy, based on routing, provides many advanced features, including selection and forwarding of traffic, with careful virtual routing and forwarding of vrf) instances, as well as enhanced tracking to provide next hop.