Cisco Small Business RV 120W Wireless-N VPN Firewall ...
Cisco Small Business RV 120W Wireless-N VPN Firewall ...
Cisco Small Business RV 120W Wireless-N VPN Firewall ...
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5Configuring Virtual Private Networks (<strong>VPN</strong>s)and SecurityThis chapter describes <strong>VPN</strong> configuration, beginning with the “Configuring<strong>VPN</strong>s” section on page 92.It also describes how to configure router security, beginning with the “ConfiguringSecurity” section on page 107.The following sections are covered:• Configuring <strong>VPN</strong>s, page 92• Configuring a Basic <strong>VPN</strong>, page 93• Configuring Advanced <strong>VPN</strong> Parameters, page 94• Configuring Security, page 107Configuring <strong>VPN</strong>sA <strong>VPN</strong> provides a secure communication channel (“tunnel”) between two gatewayrouters or a remote PC client and a gateway router. The following types of tunnelscan be created:• Gateway-to-gateway <strong>VPN</strong>—Connects two or more routers to secure trafficbetween remote sites.• Remote Client (client-to-gateway <strong>VPN</strong> tunnel)—A remote client, such as aPC running <strong>VPN</strong> client software, initiates a <strong>VPN</strong> tunnel. The IP address of theremote PC client is not known in advance. The gateway acts as responder.• Remote client behind a NAT router—The client has a dynamic IP addressand is behind a NAT Router. The remote PC client at the NAT router initiatesa <strong>VPN</strong> tunnel. The IP address of the remote NAT router is not known inadvance. The gateway WAN port acts as a responder.<strong>Cisco</strong> <strong>RV</strong><strong>120W</strong> Administration Guide 92
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