ZyXEL Communications 2 Plus 4.4How to Manage the ZyWALL’s Bandwidth, 4.4.1 Example Parameters and Scenario

Chapter 4 Tutorials

Figure 69 Tutorial Example: NAT Address Mapping Done: Game Playing

"To allow traffic from the WAN to be forwarded through the ZyXEL Device, you must also create a firewall rule. Refer to Section 4.2.5 on page 107 for more information.

4.4How to Manage the ZyWALL’s Bandwidth

This section shows you examples of how to allocate bandwidth and apply priorities to traffic that flows out through the ZyWALL’s WAN port.

4.4.1 Example Parameters and Scenario

The following figure shows the network you want to set up in this example. The WAN port has an upstream (outgoing) speed of 512 kbps. To prevent SIP-based VoIP (Voice over IP) traffic from getting delayed due to heavy WWW or FTP traffic, you reserve 128 Kbps of bandwidth for outgoing VoIP traffic (from LAN to WAN) and higher priority than FTP or WWW traffic.

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ZyWALL 2 Plus User’s Guide