Draytek VigorBX 2000 Series, Руководство пользователя

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VigorBX 2000 Series User’s Guide 344

WAN1 Only: Only establish VPN if WAN2 down - If
WAN2 failed, the router will use WAN1 for VPN
connection.

WAN2 Only: Only establish VPN if WAN1 down - If
WAN1 failed, the router will use WAN2 for VPN
connection.
Netbios Naming Packet

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.
Multicast via VPN - 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.
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- 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.
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 disconnects 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).
PING to the IP - Enter the IP address of the remote host that
located at the other-end of the VPN tunnel.
Dial-Out Settings Type of Server I am calling - 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 an IPsec VPN connection to the server