An engineer is implementing MPLS OAM to monitor traffic within the MPLS domain. Which action must the engineer perform to prevent packets from being forwarded beyond the service provider domain when the LSP is down?
A. Configure a private IP address as the destination address of the headend router of Cisco MPLS TE.
B. Disable IP redirects only on outbound interfaces.
C. Disable IP redirects on all ingress interfaces.
D. Implement the destination address for the LSP echo request packet in the 127.x.y.z/8 network.
