Draytek vigor2760 series User Manual page 297

compression. Normally set to Yes to improve bandwidth
utilization.
IKE Authentication Method - This group of fields is
applicable for IPsec Tunnels and L2TP with IPsec Policy.

Pre-Shared Key - Input 1-63 characters as pre-shared
key.

Digital Signature (X.509) - Select one predefined
Profiles set in the VPN and Remote Access >>IPsec
Peer Identity.
Peer ID - Select one of the predefined Profiles set in
VPN and Remote Access >>IPsec Peer Identity.
Local ID – Specify a local ID (Alternative Subject
Name First or Subject Name First) to be used for
Dial-in setting in the LAN-to-LAN Profile setup. This
item is optional and can be used only in IKE
aggressive mode.

Local Certificate – Select one of the profiles set in
Certificate Management>>Local Certificate.
IPsec Security Method - This group of fields is a must for
IPsec Tunnels and L2TP with IPsec Policy.

Medium AH (Authentication Header) means data
will be authenticated, but not be encrypted. By default,
this option is active.

High (ESP-Encapsulating Security Payload)- means
payload (data) will be encrypted and authenticated.
Select from below:

DES without Authentication -Use DES encryption
algorithm and not apply any authentication scheme.

DES with Authentication-Use DES encryption
algorithm and apply MD5 or SHA-1 authentication
algorithm.

3DES without Authentication-Use triple DES
encryption algorithm and not apply any authentication
scheme.

3DES with Authentication-Use triple DES
encryption algorithm and apply MD5 or SHA-1
authentication algorithm.

AES without Authentication-Use AES encryption
algorithm and not apply any authentication scheme.

AES with Authentication-Use AES encryption
algorithm and apply MD5 or SHA-1 authentication
algorithm.
Advanced - Specify mode, proposal and key life of each
IKE phase, Gateway, etc.
The window of advance setup is shown as below:
281 Vigor2760 Series User's Guide