Filter-Based Forwarding (FBF) or (for some vendor is also called Policy Based Routing (PBR)) is a simple method to route IP traffic to different interfaces on the basis of Layer 3 parameters (e.g. source or destination IP) or Layer 4 parameters (source or destination ports). Example: Objective: – to configure R1 to forward traffic originating from HostX under 10.10.1.0/24 to use ISP-X to reach Server 20.20.20.1 – to configure R1 to forward traffic originating form HostY under 10.20.1.0/24 to use…
Tag: <span>PBR</span>
Objective: The PBR policy will be removed facing Uplink-Router once it detected that the server is unreachable. Policy-based routing (PBR) is a method used to make routing decisions based on policies. Scenario: Server1 providing web caching to customers for faster web page loading. Since there is route-map in place to route their http/https traffic to the next hop which is Server1, what if this server suddenly goes down?, the expected behaviour is the customer won’t be able to access websites.…
Leave a Comment