Draytek VigorPro 5510 Series User Manual page 171

PPTP
IPSec Tunnel
L2TP with IPSec Policy
Dial Number for ISDN or
Server IP/Host Name for.
Link Type
User Name
Password
PPP Authentication
VJ compression
VigorPro5510 Series User's Guide
You should set up Link Type and identity like User Name
and Password for the authentication of remote server. You
can further set up Callback (CBCP) function below. This
feature is useful for i model only.
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.
Build an IPSec VPN connection to the server through
Internet.
Build a L2TP VPN connection through the Internet. You
can select to use L2TP alone or with IPSec. Select from
below:
None: Do not apply the IPSec policy. Accordingly, the VPN
connection employed the L2TP without IPSec policy can be
viewed as one pure L2TP connection.
Nice to Have: Apply the IPSec policy first, if it is
applicable during negotiation. Otherwise, the dial-out VPN
connection becomes one pure L2TP connection.
Must: Specify the IPSec policy to be definitely applied on
the L2TP connection.
You can specify the IP address of the remote dial-out user.
There are three link types provided here
Link Type
–
for different purpose.
connection function. 64Kbps allows you to use one ISDN
channel for Internet access. 128Kbps allows you to use both
ISDN B channels for Internet access. BOD stands for
bandwidth-on-demand. The router will use only one B
channel in low traffic situations. Once the single B channel
bandwidth is fully used, the other B channel will be
activated automatically through the dialup. For more
detailed BOD parameter settings, please refer to the section
of Call Control.
This field is applicable when you select ISDN, PPTP or
L2TP with or without IPSec policy above.
This field is applicable when you select ISDN, PPTP or
L2TP with or without IPSec policy above.
This field is applicable when you select ISDN, PPTP or
L2TP with or without IPSec policy above. PAP/CHAP is the
most common selection due to wild compatibility.
This field is applicable when you select ISDN, PPTP or
L2TP with or without IPSec policy above. VJ Compression
is used for TCP/IP protocol header compression. Normally
161
Disable disables the ISDN