Company XYZ branch offices connect to the headquarter sites using two links, MPLS and Internet. The company wants to design the traffic flow so that voice traffic goes through the MPLS link and all…

PBR uses route maps applied to interfaces to steer traffic based on criteria such as DSCP markings or ACLs, enabling voice traffic to be sent exclusively over MPLS while other traffic uses either link. When Cisco Express Forwarding (CEF) is enabled on the router, PBR leverages CEF-based forwarding rather than the slower process switching, satisfying the design requirement that traffic not be process switched.

A floating static route provides backup path failover based on administrative distance but cannot differentiate traffic by type to send voice over MPLS while allowing other traffic on either link.

Virtual links are an OSPF construct used to connect discontiguous backbone areas and have no role in steering traffic between WAN links.

Virtualization abstracts hardware or network resources into logical instances and does not provide the per-flow traffic classification needed to direct specific traffic types over specific WAN paths.