Draytek Vigor2120n-plus User Manual page 296

Vigor2120 Series User's Guide
or L2TP with or without IPsec policy above. The length of
the password is limited to 15 characters.
PPP Authentication - This field is applicable when you
select, PPTP or L2TP with or without IPsec policy above.
PAP/CHAP/MS-CHAP/MS-CHAPv2 is the most common
selection due to wild compatibility.
VJ compression - This field is applicable when you select
PPTP or L2TP with or without IPsec policy above. VJ
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) - 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.
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