SMC Networks SMC Barricade Plus SMCBR18VPN - Manual (Page 60)

VPN Settings – Tunnel 1 – IKE
Set the Tunnel 1 IKE settings as follows:
Tunnel 1: 1
Local Subnet: 192.168.2.0
Local Netmask: 255.255.255.0
Remote Subnet: 192.168.1.0
Remote Netmask: 255.255.255.255
Remote Gateway: 192.168.1.1
Preshare Key: mypresharedkey
When finished, save your settings.