Click the Exhibit button.
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