Draytek Vigor2760 - Page 267

Vigor2760 Series User’s Guide
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You may specify a value in between 900 and 86400 seconds.
Phase2 Key Lifetime (min) –For security reason, the lifetime
of key should be defined. The default value is 3600 seconds.
You may specify a value in between 600 and 86400 seconds.
Perfect Forward Secrecy (PFS) –The IKE Phase 1 key will
be reused to avoid the computation complexity in phase 2. The
default value is inactive this function.
Dead Peer Detection –Action – This function will detect if
any response received from the peer. If no response, the chosen
action will be performed. Hold means such VPN connection is
still active; Clear means such VPN connection will be down.
Dead Peer Detection – Delay Time (sec) – It is available
when Clear is selected for Dead Peer Detection above. Set
the interval for the detection. The default setting shall be “30”
seconds.
Dead Peer Detection – Timeout (sec) –It is available when
Clear is selected for Dead Peer Detection above. Set the time
that the system will wait for the response. The default setting
shall be “120” seconds. In default, the detection will be done
for four times within the default time. If there is no response,
the VPN tunnel will be disconnected.
When Dial-out is selected as Call Direction
Server Type
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.
L2TP over IPsec
If L2TP is chosen as the server type, check this item to enable
the function of L2TP over IPsec.
Remote Host
Specify the IP address of the remote host to build such VPN
connection.
Username
This field is applicable when you select, PPTP or L2TP with or
without IPsec policy above. The maximum length for
username is 63 characters.
Password
This field is applicable when you select PPTP or L2TP with or
without IPsec policy above. The maximum length for password
is 63 characters.
Confirm Password
Type the password again for confirmation.