Draytek 5500 Series 사용자 설명서

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VigorPro5500 Series User’s Guide 
117
Specify CLID or Remote 
VPN Gateway
 
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 i model only.). 
Also, you should further specify the corresponding security 
methods on the right side. 
If you uncheck the checkboxthe connection type you select 
above will apply the authentication methods and security 
methods in the general settings. 
User Name 
This field is applicable when you select ISDN, PPTP or L2TP 
with or without IPSec policy above.   
Password 
This field is applicable when you select ISDN, PPTP or L2TP 
with or without IPSec policy above.   
VJ Compression 
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. 
IKE Authentication 
Method
 
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
IPSec Security Method 
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. 
Callback Function 
The callback function provides a callback service only for the 
ISDN LAN-to-LAN connection (this feature is useful for 
model only). The remote user will be charged the connection 
fee by the telecom. 
Check to enable Callback function-Enables the callback 
function. 
Callback number-The option is for extra security. Once 
enabled, the router will ONLY call back to the specified 
Callback Number. 
Callback budget- By default, the callback function has 
limitation of callback period. Once the callback budget is 
exhausted, the function will be disabled automatically. 
Callback Budget (Unit: minutes)- Specify the time budget 
for the dial-in user. The budget will be decreased