ZyXEL Communications NBG410W3G User Manual
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Chapter 4 Tutorials
NBG410W3G Series User’s Guide
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Figure 29 H.323 Tutorial: NETWORK > LAN > Static DHCP
4 Click NETWORK > LAN to display the LAN screen. Ensure that Server is selected in
the drop-down box in the DHCP field.
Set up ALG
Follow these steps to set up ALG (Application Layer Gateway) to let your ZyXEL Device
manage H.323 traffic. (For more information on ALG see
.)
1 Click ADVANCED > ALG to display the ALG screen. Select Enable H.323 ALG and
click Apply. This configures ALG (Application Layer Gateway) to manage H.323 traffic
through your ZyXEL Device.
2 Click Apply.
Figure 30 H.323 Tutorial: ADVANCED > ALG
Set up Port Forwarding
1 Click ADVANCED > NAT > Port Forwarding to display the Port Forwarding screen.
2 Select the correct WAN for your network in the WAN Interface field.
3 Select Active in the rule row you are configuring.
4 Type a descriptive name for the port forwarding rule in the Name field. In this example
H.323 is used.
5 Type 1720 in the Incoming Port(s) field. This port number is used for the H.323
services.