Wireless Gateway Series User's Guide

ZyAIR Wireless Gateway Series User’s Guide
SUA/NAT 9-7
Table 9-3 Services and Port Numbers
SERVICES PORT NUMBER
SNMP (Simple Network Management Protocol) 161
SNMP trap 162
PPTP (Point-to-Point Tunneling Protocol) 1723
9.2.2 Configuring Servers Behind SUA (Example)
Let's say you want to assign ports 22-25 to one server, port 80 to another and assign a default server IP
address of 192.168.1.35 as shown in the next figure.
Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server, port 80 to another (A in the
example) and assign a default server IP address of 192.168.1.35 to a third (B 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 9-3 Multiple Servers Behind NAT Example
9.3 Configuring SUA Server
If you do not assign a Default Server IP address, the ZyAIR discards all packets
received for ports that are not specified here or in the remote management setup.
Click ADVANCED and then SUA/NAT to open the SUA Server screen.
Refer to the Table 9-3 for port numbers commonly used for particular services.