You have an on-premises network and an Azure virtual network.
You establish a Site-to-Site VPN connection from the on-premises network to the Azure virtual network, but the connection frequently disconnects.
You need to debug the IPsec tunnel from Azure.
Which Azure VPN Gateway diagnostic log should you review?
A. GatewayDiagnosticLog
B. RouteDiagnosticLog
C. IKEDiagnosticLog
D. TunnelDiagnosticLog
