User Guide

Advanced Settings
137
N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000
- 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 setting 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 id
entify which computers on the remote LAN are covered by this
policy. For each selection, data must be provided as follows:
- Single
PC - dynamic IP. 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
setting 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.
- 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 local
a
ddresses.
• ESP Configuration. ESP (Encap
sulating Security Payload) provides security for the
payload (data) sent through the VPN tunnel.
- SPI.
Enter the required SPIs. Each policy must have unique SPIs. These settings
must match the remote VPN endpoint. The Incoming setting here must match the
Outgoing setting on the remote VPN endpoint, and the Outgoing setting here
must match the Incoming setting on the remote VPN endpoint.
- Encryp
tion. Select the desired encryption algorithm, and enter the key in the field
provided. For 3DES, the keys should be 24 ASCII characters (48 hex characters).
- Auth
entication. Select the desired authentication algorithm, and enter the key in
the field provided. For MD5, the keys should be 16 ASCII characters (32 hex
characters). For SHA-1, the keys should be 20 ASCII (40 hex characters).
3. Click App
ly when done.