D-Link DFL-700 - Manual (Page 117)

Settings for Main office
1. Setup interfaces, System->Interfaces:
WAN IP:193.0.2.20
LAN IP: 192.168.1.1, Subnet mask: 255.255.255.0
2. Setup L2TP server, Firewall->VPN:
Under L2TP / PPTP Server click Add new L2TP server
Name the server l2tpServer
Leave Outer IP and Inner IP blank
Set client IP pool to 192.168.1.100 – 192.168.1.199
Check Proxy ARP dynamically added routes
Check Use unit’s own DNS relayer addresses
Leave WINS settings blank
Under authentication MSCHAPv2 should be the only checked option
Under MPPE encryption None should be the only checked option
Check the Use IPsec encryption box
Enter the pre-shared key, 1234567890, and retype same pre-shared key
Click Apply
3. Setup policies for the new tunnel, Firewall->Policy:
Click Global policy parameters
Enable Allow all VPN traffic: internal->VPN, VPN->internal and VPN->VPN
Click Apply
4. Set up authentication source, Firewall->Users:
Select Local database
Click Apply
5. Add a new user, Firewall->Users:
Under Users in local database click Add new
Name the new user HomeUser
Enter password: 1234567890
Retype password: 1234567890