Netgear FVL328 FVL328 Reference Manual - Page 178
Firewalls, Setting Up a VPN Tunnel Between Gateways, Table 8-1.
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Model FVL328 ProSafe High-Speed VPN Firewall Reference Manual Revision 2 Table 8-1. WAN (Internet/Public) and LAN (Internal/Private) Addressing Gateway Gateway A Gateway A Gateway B Gateway B 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 It will also be important to know the subnet mask of both gateway LAN Connections. Table 8-2. 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. Setting Up a VPN Tunnel Between Gateways An 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. E-8 Virtual Private Networking May 2004, 202-10030-02