Draytek Vigor2930 Series User Manual page 148

ISDN
PPTP
IPSec Tunnel
L2TP with ...
User Name
Password
PPP Authentication
VJ compression
IKE Authentication
Method
IPSec Security Method
Medium
sending PING packets to the remote host, the Vigor router can
know the true existence of this VPN connection and react
accordingly. This is independent of DPD (dead peer
detection).
Build ISDN LAN-to-LAN connection to remote network.
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 S 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.
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 set to Yes
to improve bandwidth utilization.
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.
This group of fields is a must for IPSec Tunnels and L2TP
with IPSec Policy.
Authentication Header (AH) 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
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Vigor2930 Series User's Guide