You can use telnet to confirm IPsec settings and make setting changes. This section explains telnet commands for IPsec. For information about the user name and password for logging into telnet, ask the administrator. For details about logging in to telnet and telnet operations, see "Remote Maintenance Using telnet", Connecting the Machine/ System Settings.
If you are using a certificate as the authentication method in encryption key auto exchange settings (IKE), install the certificate using Web Image Monitor. A certificate cannot be installed using telnet.