Draytek Vigor2830 Series User Manual page 268

Vigor2830 Series User's Guide
Compression is used for TCP/IP protocol header
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) - Click Digital Signature to
invoke this function and select one predefined Profiles
set in the VPN and Remote Access >>IPSec Peer
Identity as Peer ID.
Local ID – Specify which one will be inspected first.

Alternative Subject Name First – The
alternative subject name (configured in
Certificate Management>>Local Certificate)
will be inspected first.

Subject Name First – The subject name
(configured in Certificate
Management>>Local Certificate) will be
inspected first.
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:
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