A network administrator is tasked to make sure that an OMP peer session is closed after missing three consecutive keepalive messages in 3 minutes. Additionally, route updates must be sent every minute. If a WAN Edge router becomes unavailable, the peer must use last known information to forward packets for 12 hours. Which set of configuration commands accomplishes this task?
A. omp
timers
advertisement-interval 1
holdtime 180
graceful-restart-timer 43200
B. omp
timers
advertisement-interval 60
holdtime 60
graceful-restart-timer 720
C. omp
timers
advertisement-interval 1
holdtime 180
graceful-restart-timer 720
D. omp
timers
advertisement-interval 60
holdtime 180
graceful-restart-timer 43200