Draytek Vigor2820 Series User Manual page 171

Specify CLID or
Remote VPN Gateway
User Name
Password
VJ Compression
IKE Authentication
Method
IPSec Security Method
Callback Function
viewed as one pure L2TP connection.
Nice to Have - Apply the IPSec policy first, if it is applicable
during negotiation. Otherwise, the dial-in VPN connection
becomes one pure L2TP connection.
Must - Specify the IPSec policy to be definitely applied on the
L2TP connection.
You can specify the IP address of the remote dial-in user or peer
ID (should be the same with the ID setting in dial-in type) by
checking the box. Enter Peer ISDN number if you select ISDN
above (This feature is useful for s model only.). Also, you should
further specify the corresponding security methods on the right
side.
If you uncheck the checkbox, the connection type you select
above will apply the authentication methods and security methods
in the general settings.
This field is applicable when you select ISDN, PPTP or L2TP
with or without IPSec policy above.
This field is applicable when you select ISDN, PPTP or L2TP
with or without IPSec policy above.
VJ Compression is used for TCP/IP protocol header compression.
This field is applicable when you select ISDN, PPTP or L2TP
with or without IPSec policy above.
This group of fields is applicable for IPSec Tunnels and L2TP
with IPSec Policy when you specify the IP address of the remote
node. The only exception is Digital Signature (X.509) can be set
when you select IPSec tunnel either with or without specify the IP
address of the remote node.
Pre-Shared Key - Check the box of Pre-Shared Key to invoke
this function and type in the required characters (1-63) as the
pre-shared key.
Digital Signature (X.509) –Check the box of Digital Signature to
invoke this function and select one predefined Profiles set in the
VPN and Remote Access >>IPSec Peer Identity.
This group of fields is a must for IPSec Tunnels and L2TP with
IPSec Policy when you specify the remote node.
Medium- Authentication Header (AH) means data will be
authenticated, but not be encrypted. By default, this option is
active.
High- 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.
The callback function provides a callback service only for the
ISDN LAN-to-LAN connection (this feature is useful for s model
only). The remote user will be charged the connection fee by the
telecom.
Check to enable Callback function-Enables the callback
function.
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Vigor2820 Series User's Guide