Go to the Network Setting by pressing Command + Shift, and then type 'VPN' to check the VPN client settings. Troubleshoot certificate-based authenticationĬheck the VPN client settings. There are only four settings that need to be checked: The VPN client in Mac for IKEv2 is very basic and does not allow for much customization. This article helps you troubleshoot Point-to-Site connectivity issues from Mac OS X using the native VPN client and IKEv2.