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Vigor2900 Series User’s Guide
97
Profile Name Specify a name for the profile of the LAN-to-LAN connection.
Enable this profile Check here to activate this profile.
Call Direction Specify the allowed call direction of this LAN-to-LAN profile.
Both:-initiator/responder
Dial-Out- initiator only
Dial-In- responder only.
Always On or Idle Timeout Always On-Check to enable router always keep VPN
connection.
Idle Timeout: The default value is 300 seconds. If the
connection has been idled over the value, the router will drop
the connection.
Enable PING to keep alive This function is to help the router to determine the status of
IPSec VPN connection, especially useful in the case of
abnormal VPN IPSec tunnel disruption. For details, please refer
to the note below. Check to enable the transmission of PING
packets to a specified IP address.
PING to the IP Enter the IP address of the remote host that located at the
other-end of the VPN tunnel.
Enable PING to Keep Alive is used to handle abnormal
IPSec VPN connection disruption. It will help to provide the
state of a VPN connection for router’s judgment of redial.
Normally, if any one of VPN peers wants to disconnect the
connection, it should follow a serial of packet exchange
procedure to inform each other. However, if the remote peer
disconnect without notice, Vigor router will by no where to
know this situation. To resolve this dilemma, by continuously
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).
ISDN Build ISDN dial-out connection to the server. 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.
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 Tunnel Build a IPSec VPN connection to the server through Internet.
L2TP with … 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.