Which two problems are the most likely cause of the exhibited output? (Choose two.)
A.
spanning tree issues
B.
HSRP misconfiguration
C.
VRRP misconfiguration
D.
physical layer issues
E.
transport layer issues
Explanation:
When you see this error, it means the local router fails to receive HSRP hellos from neighbor
router. Two things you should check first are the physical layer connectivity and verify the
HSRP configuration. An example of HSRP misconfiguration is the mismatched of HSRP
standby group and standby IP address.
Another thing you should check is the mismatched VTP modes.