Draytek Vigor 3200 Series User Manual page 259

Available settings are explained as follows:
Item
Profile Name
Enable this profile
VPN Dial-Out
Through
Netbios Naming
Packet
Multicast via VPN
Call Direction
Always On or Idle
Timeout
Enable PING to
keep alive
PING to the IP
Description
Specify a name for the profile of the LAN-to-LAN connection.
Check here to activate this profile.
Use the drop down menu to choose a proper WAN interface
for this profile. This setting is useful for dial-out only.
WAN1 /WAN2 /WAN3 /WAN4 /WAN5 First - While
connecting, the router will use WAN1 /WAN2 /WAN3
/WAN4 /WAN5 as the first channel for VPN connection. If
WAN1 fails, the router will use another WAN interface
instead.
WAN1 /WAN2 /WAN3 /WAN4 /WAN5 Only - While
connecting, the router will use WAN1 /WAN2 /WAN3
/WAN4 /WAN5 as the only channel for VPN connection.
Pass – click it to have an inquiry for data transmission between
the hosts located on both sides of VPN Tunnel while
connecting.
Block – When there is conflict occurred between the hosts on
both sides of VPN Tunnel in connecting, such function can
block data transmission of Netbios Naming Packet inside the
tunnel.
Some programs might send multicast packets via VPN
connection.
Pass – Click this button to let multicast packets pass through
the router.
Block – This is default setting. Click this button to let
multicast packets be blocked by the router.
Specify the allowed call direction of this LAN-to-LAN profile.
Both:-initiator/responder
Dial-Out- initiator only
Dial-In- responder only.
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.
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.
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
249 Vigor3200 Series User's Guide