Draytek Vigor3900 User Manual page 338

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If you choose IPSec as the Type, you will get the following screen:
Available parameters are listed as follows:
Item Description
Profile Display the name of the VPN profile.
Enable Check this box to enable such profile.
Auto Dial-Out Click Enable to enable the function of auto dial-out.
Auto Dial-Out Backup – Specify the condition from the
drop down list to activate backup dial-out.
WAN Profile Choose a WAN profile to be used by such profile.
Local IP/Subnet Type the IP address and subnet mask of local host.
Mask
Specify the gateway for WAN interface. Usually, use the
Local Next Hop
default setting (leave it in blank).
Remote Host Type the WAN IP address for the remote host.
Remote IP / Subnet Type the LAN IP address and LAN subnet mask for the
Mask remote host.
More Remote Add more remote subnet in this field if required.
Subnet
IKE Phase 1 The ultimate outcome is to exchange security proposals to
create a protected secure channel. Main mode is more
secure than Aggressive mode since more exchanges are
done in a secure channel to set up the IPSec session.
However, the Aggressive mode is faster. The default value
in Vigor router is Main mode.
Local ID – Type the ID for Vigor router which can be
configured by the remote end. It is available only when
Aggressive Mode is enabled.
330 Vigor3900 Series User's Guide