ZyXEL Communications NBG410W3G - Manual (Page 238)

Chapter 12 Network Address Translation (NAT)
NBG410W3G Series User’s Guide
238
Figure 143 Port Translation Example
12.6 Port Forwarding Screen
Click ADVANCED > NAT > Port Forwarding to open the Port Forwarding screen.
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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.
Refer to Figure 70 on page 236 for port numbers commonly used for particular services.
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The last port forwarding rule is reserved for Roadrunner services. The rule is
activated only when you set the WAN Encapsulation to Ethernet and the
Service Type to something other than Standard.
A = 192.168.1.33
HTTP: 80
B = 192.168.1.34
HTTP: 80
LAN WAN
192.168.1.1
Port Translation
192.168.1.33: 80 <----> a.b.c.d: 8080
192.168.1.34: 80 <----> a.b.c.d: 8100