Draytek Vigor 2200V Guía de instalación descargar pdf (Pagina 89)

5-6

Advanced Setup

5.4 NAT Setup

Usually you will use the router as a NAT-enabled router. NAT stands

for Network Address Translation. It means the router gets one (in

Single ISP, PPPoE, PPTP) or two (in Dual ISP mode) globally re-

routeable IP addresses from the ISP. Local hosts will use private

network IP addresses defined by RFC-1918 to communiate with the

router. The router translates the private network addresses to a glo-

bally routeable IP address, which is then used to access the Internet.

The following explains NAT features for specific applications.

Click “NAT Setup” to open the setup page. On the page you will see

the private IP address definitions defined in RFC-1918. Usually we

use the 192.168.1.0/24 subnet for the router.

5.4.1 Exposing Internal Servers to the Public Domain

The Port Redirection Table may be used to expose internal servers to

the public domain or open a specific port number to internal hosts.

Internet hosts can use the WAN IP address to access internal net-

work services, such as FTP, WWW, etc.

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Draytek Vigor 2200V Guía de instalación Pagina 89