A firewall administrator to have visibility on one segment of the company network. The traffic on the segment is routed on the Backbone switch. The administrator is planning to apply security rules on segment X after getting the visibility. There is already a PAN-OS firewall used in L3 mode as an internet gateway, and there are enough system resources to get extra traffic on the firewall. The administrator needs to complete this operation with minimum service interruptions and without making any IP changes. What is the best option for the administrator to take?