Operation Manual
Vigor2133 Series User’s Guide 
205
for VPN  such VPN profile. 
IKE Authentication 
Method 
IKE Authentication Method usually applies to those are 
remote dial-in user or node (LAN to LAN) which uses dynamic 
IP address and IPsec-related VPN connections such as L2TP 
over IPsec and IPsec tunnel. 
Pre-Shared Key- Specify a key for IKE authentication. 
Confirm Pre-Shared Key-Confirm the pre-shared key. 
Digital Signature 
(X.509) 
Click Digital Signature to invoke this function.  
Peer ID – Choose the peer ID selection from the drop down 
list. 
Local ID – Choose Alternative Subject Name First or Subject 
Name First. 
Local Certificate – Use the drop down list to choose one of 
the certificates for using. You have to configure one 
certificate at least previously in Certificate Management >> 
Local Certificate. Otherwise, the setting you choose here 
will not be effective. 
IPsec Security Method
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. 
User Name  This field is used to authenticate for connection when you 
select PPTP or L2TP with or without IPsec policy above. 
The length of the user name is limited to 11 characters. 
Password  This field is used to authenticate for connection when you 
select PPTP or L2TP with or without IPsec policy above. 
The length of the password is limited to 11 characters. 
Remote Network IP  Please type one LAN IP address (according to the real 
location of the remote host) for building VPN connection. 
Remote Network 
Mask 
Please type the network mask (according to the real location 
of the remote host) for building VPN connection. 
3.  After finishing the configuration, please click Next. The confirmation page will be 
shown as follows. If there is no problem, you can click one of the radio buttons listed on 
the page and click Finish to execute the next action. 










