When you configure a Layer 3 interface what is one mandatory step?

The correct answer is C. Configure virtual routers to route the traffic for each Layer 3 interface. In a Layer 3 deployment, the firewall routes traffic between multiple ports. Before you can Configure Layer 3 Interfaces, you must configure the Virtual Routers that you want the firewall to use to route the traffic for each Layer 3 interface…

Submitted by khalil_dz· Apr 18, 2026Deploy and Configure

Question

Options

AConfigure Security profiles, which need to be attached to each Layer 3 interface
BConfigure Interface Management profiles which need to be attached to each Layer 3 interface
CConfigure virtual routers to route the traffic for each Layer 3 interface
DConfigure service routes to route the traffic for each Layer 3 interface

How the community answered

(39 responses)

B
3% (1)
C
95% (37)
D
3% (1)

Explanation

In a Layer 3 deployment, the firewall routes traffic between multiple ports. Before you can Configure Layer 3 Interfaces, you must configure the Virtual Routers that you want the firewall to use to route the traffic for each Layer 3 interface. https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-networking-admin/configure- interfaces/layer-3-interfaces

Topics

#Layer 3 Interfaces#Virtual Routers#Network Configuration

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