Draytek Vigor2760 User Manual page 264

When Both is selected as Call Direction
When Dial-in is selected as Call Direction
Server Type
L2TP over IPsec
Remote Host
User Account
VJ Compression
MPPE Encryption
idled over the value, the router will drop the connection.
All the options including Dial-in and Dial-out will be available
for you to configure.
Only the options concerning of Dial-in will be available for you
to configure.
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:
GRE over IPsec - Build a GRE over IPsec connection to the
server through Internet.
If L2TP is chosen as the server type, check this item to enable
the function of L2TP over IPsec.
Specify the IP address of the remote host to build such VPN
connection.
This field is applicable when you select, PPTP or L2TP above.
This field is applicable when you select PPTP or L2TP above.
VJ Compression is used for TCP/IP protocol header
compression. Normally, check it to improve bandwidth
utilization.
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
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Vigor2760 Series User's Guide