Draytek Vigor 2925 Series User Manual page 309

and IPSec tunnel. There are two methods offered by Vigor
router for you to authenticate the incoming data coming
from remote dial-in user, Certificate (X.509) and
Pre-Shared Key.
Certificate for Dial-in –Choose one of the local certificates
from the drop down list.
Pre-Shared Key- Specify a key for IKE authentication.
Confirm Pre-Shared Key- Retype the characters to
confirm the pre-shared key.
Note: Any packets from the remote dial-in user which does
not match the rule defined in VPN and Remote
Access>>Remote Dial-In User will be applied with the
method specified here.
Medium - Authentication Header (AH) means data will be
IPSec Security Method
authenticated, but not be encrypted. By default, this option
is active.
High (ESP) - Encapsulating Security Payload (ESP) means
payload (data) will be encrypted and authenticated. You
may select encryption algorithm from Data Encryption
Standard (DES), Triple DES (3DES), and AES.
After finishing all the settings here, please click OK to save the configuration.
297 Vigor2925 Series User's Guide