Refer to the Exhibit.
Referring to the exhibit, Customer A is complaining that no OSPF routes are being received across your Layer 3 VPN. You suspect that a problem exists with the PE-CE protocol. The core network is operational. Which operational command on PE1 helps troubleshoot this problem?
A.
show ospf neighbor
B.
show bgp summary
C.
show ospf neighbor instance customer-a
D.
show bgp summary instance customer-a