Refer to the exhibit. An IP SLA was configured on router R1 that allows the default route to be modified in the event that Fa0/0 loses reachability with the router R3 Fa0/0 interface. The route has changed to flow through router R2.
Which debug command is used to troubleshoot this issue?
A. debug ip flow
B. debug ip sla error
C. debug ip routing
D. debug ip packet
