Policy based routingis use to path manipulation. It is used for implementing policy that causes the packet to take a different direction. Policy based routing allows source based routing. Routing table is destination base.
In short: PBR is a technique used to make routing decisions based on policies implemented by the network administrator.
Here’s the list of some Advantages of policy based routing:-
Different users can reach the destination from different direction
PBR will be implemented on the incoming direction of the source in interface
If the packet is match in the route map and it is permit it will be send according to the policy
If the packet is match in the route map and route map deny packet will be forwarded according to normal routing table
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