User's Manual

Advanced Settings
131
N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000
Otherwise, select the desired option (IP address or domain name) and enter the
address of the remote VPN endpoint you wish to connect to.
The remote VPN endpoint must have this VPN gateway's address entered as its
remote VPN endpoint.
- IKE Keep Alive. Enable this setting if you wish to ensure that a connection is kept
open, or, if that is not possible, it is quickly reestablished when disconnected.
The ping IP Address has to be associated with the remote endpoint. Either the
W
AN or a LAN address can be used; a LAN address is preferable. This IP
address is pinged to generate some traffic for the VPN tunnel.
• L
ocal LAN. These setting identify which computers on your LAN are covered by this
policy. For each selection, data must be provided as follows:
- Single address. Enter an IP address in the Single/Start IP address field.
Typically, this setting is used when you wish to make a single Server on your LAN
available to remote users.
- Range address. Enter the starting IP address in the Single/Start IP address field,
and the finish IP address in the Finish IP address field. This range must be an
address range used on your LAN.
- Subne
t address. Enter an IP address in the Single/Start IP address field, and the
desired network mask in the Subnet Mask field.
The remote VPN endpoint must have these IP addresses entered as its remote
a
ddresses.
• Remote LAN. These settin
gs identify which computers on the remote LAN are
covered by this policy. For each selection, data must be provided as follows:
- Single PC - no Subnet. Select this option if there is no LAN (only a single
computer) at the remote endpoint. If this option is selected, no additional data is
required.
- Single address. En
ter an IP address in the Single/Start IP address field. This
value must be an address on the remote LAN. Typically, this setting is used when
you wish to access a server on the remote LAN.
- Range address. Enter the starting IP address in the Single/Start IP address field,
and the finish IP address in the Finish IP address field. This range must be an
address range used on the remote LAN.
- Subnet address. Enter an IP address in the Single/Start IP address field, and the
desired network mask in the Subnet Mask field.
The remote VPN endpoint must have these IP addresses entered as its local
a
ddresses.
• IK
E.
- Direction/T
ype. This setting is used when determining if the IKE policy matches
the current traffic. Select the desired option.
- Responder only. Incoming connections are allowed, but outgoing connections
are blocked.