Draytek Vigor2760 Series User Manual page 179

Server Type
L2TP over IPsec
Always On
Remote Host
Username
Password
Confirm Password
PPP Authentication
MPPE Encryption
Vigor2760 Series User's Guide
PPTP - Build a PPTP VPN connection to the server through
the Internet. You should set the identity like User Name and
Password below for the authentication of remote server.
IPsec - Build an IPsec VPN connection to the server through
Internet.
L2TP - Build a L2TP VPN connection through the Internet.
You can select to use L2TP alone or with IPsec. Select from
below:
If L2TP is chosen as the server type, check this item to enable
the function of L2TP over IPsec.
Check to enable router always keep VPN connection.
Specify the IP address of the remote host to build such VPN
connection.
This field is applicable when you select, PPTP or L2TP with or
without IPsec policy above. The maximum length for
username is 63 characters.
This field is applicable when you select PPTP or L2TP with or
without IPsec policy above. The maximum length for password
is 63 characters.
Type the password again for confirmation.
This field is applicable when you select PPTP or L2TP above.
PAP/CHAP is the most common selection due to wild
compatibility.
This field is applicable when you select PPTP as server type.
If you choose Dial-in as the Call Direction, there are two
options for you to choose.
Optional – The local end accepts any MPPE encryption
settings from the remote end.
Required – If such option is selected, a new option of
MPPE Encryption box will appear. If you check this box,
the local end will only accept the data sent with the
encryption of 128-bit from the remote end. If not, the
local end will only accept the data send without
encryption. This option 128-bit indicates that the router
will use the MPPE encryption scheme with maximum
bits (128-bit) to encrypt the data.
If you choose Dial-out as the Call Direction and choose
MS-CHAP or MS-CHAP-V2 as PPP Authentication,
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