Netgear FVS318 FVS318v3 Reference Manual - Page 168

Reference Manual for the ProSafe VPN Firewall FVS318v3 Table C-1. Gateway Gateway A Gateway A Gateway B Gateway B WAN (Internet/public) and LAN (internal/private) addressing LAN or WAN LAN (Private) WAN (Public) LAN (Private) WAN (Public) VPNC Example Address 10.5.6.1 14.15.16.17 22.23.24.25 172.23.9.1 You need to know the subnet mask of both gateway LAN Connections. Refer to Appendix A, "Technical Specifications" to gather the necessary address and subnet mask information to aid in the configuration and troubleshooting process. Table C-2. Gateway Gateway A Gateway B Subnet addressing LAN or WAN LAN (Private) LAN (Private) Interface Name Subnet Mask A Subnet Mask B Example Subnet Mask 255.255.255.0 255.255.255.0 Firewalls It is important to understand that many gateways are also firewalls. VPN tunnels cannot function properly if firewall settings disallow all incoming traffic. Please refer to the firewall instructions for both gateways to understand how to open specific protocols, ports, and addresses that you intend to allow. VPN Tunnel Between Gateways A Security Association (SA), frequently called a tunnel, is the set of information that allows two entities (networks, PCs, routers, firewalls, gateways) to trust each other and communicate securely as they pass information over the Internet. C-8 Virtual Private Networking January 2005