What is a policy-based routing?

Policy-based routing is a process whereby the device puts packets through a route map before routing them. The route map determines which packets are routed to which device next. You might enable policy-based routing if you want certain packets to be routed some way other than the obvious shortest path.

Is IP routing layer 3?

The Layer 3 switch has an IP routing table, with connected routes off each of these VLAN interfaces. (These interfaces are also referred to as switched virtual interfaces [SVI].)

How do I set up policy-based routing?

How to Configure PBR (Policy-Based Routing)?

  1. Step1: Configure ACLs. Permit statement in ACL is what will be matched.
  2. Step2: Configure route map instances.
  3. Step3: Configure match commands.
  4. Step4: Configure set commands.
  5. Step5: Configure PBR on the interface.
  6. Step6: (Optional) Configure local PBR.

What is the advantage for the PBR policy-based routing?

Policy-based routing (PBR) provides network administrators with agility and flexibility to better manage traffic. With carefully architected policies, you can optimize how segments of your network process data, as well as how bandwidth is managed for business-critical applications.

What is policy-based routing firewall?

With policy-based routing (PBR), packets are forwarded based on the source IP address. This provides the flexibility to forward packets based on the source IP address to the next hop destination. This concept is used in firewall load balancing.

Is layer 3 switch and router same?

A layer 3 switch is both a switch and a router: it can be regarded as a router with multiple Ethernet ports and with switching function. layer 3 switch enable packets switching by inspecting both their IP addresses and their MAC addresses.

What is VRF used for?

Virtual routing and forwarding (VRF) IP technology allows users to configure multiple routing table instances to simultaneously co-exist within the same router. Overlapping IP addresses can be used without conflicting because the multiple routing instances are independent, and can select different outgoing interfaces.

How do I set policy based routing on Cisco FTD?

Access List

  1. Navigate to Objects > Object Management > Access List > Extended.
  2. Click Add Extended Access List.
  3. Name the ACL appropriately, i.e., PBR-OUTSIDE-2.
  4. Click Add.
  5. Set the Action as Allow.
  6. Set the Source Networks as the network object(s) previously created.
  7. Select any4 as the Destination Network.
  8. Click Save.

What is policy based routing firewall?

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