Billion M500 User Manual page 117

Connection Type: Select Remote Access for single user, Select LAN to LAN for remote gateway.
Private IP Address Assigned to Dial-in User: Specify the private IP address to be assigned to dialin
clients, and the IP should be in the same subnet as local LAN, but not occupied.
Remote Network IP Address: Please input the subnet IP for remote network.
Remote Network Netmask: Please input the Netmask for remote network.
Click Save button to save your changes.
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