ZyXEL Communications P-660 series Uživatelská příručka stáhnout pdf (Strana 81)

Chapter 6 Network Address Translation (NAT) Screens

P-660R-F1 Series User’s Guide

6.4.3 Configuring Servers Behind Port Forwarding (Example)

Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (A in the example),

port 80 to another (B in the example) and assign a default server IP address of 192.168.1.35 to a

third (C in the example). You assign the LAN IP addresses and the ISP assigns the WAN IP address.

The NAT network appears as a single host on the Internet.

Figure 43 Multiple Servers Behind NAT Example

6.5 Configuring Port Forwarding

Note: The Port Forwarding screen is available only when you select SUA Only in the

NAT > General screen.

If you do not assign a Default Server IP address, the ZyXEL Device discards all

packets received for ports that are not specified here or in the remote management

setup.

Click Network > NAT > Port Forwarding to open the following screen.

See Table 26 on page 80 for port numbers commonly used for particular services.

Figure 44 NAT Port Forwarding

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 267 268

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ZyXEL Communications P-660 series Uživatelská příručka Strana 81