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
Answer: C
Explanation:
The "debug ip routing" command enables debugging messages related to the routing table. Since the routing table is normally stable, you will only see debug messages when there are any changes in the routing table.