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D. Network Planning for Dual WAN Ports
(Multiple WAN Port Models Only)
This appendix describes the factors to consider when planning a network using a firewall that
has dual WAN ports. This appendix does not apply to single WAN port models.
This appendix contains the following sections:
• What to Consider Before You Begin
• Overview of the Planning Process
• Inbound Traffic
• Virtual Private Networks
What to Consider Before You Begin
• Plan Your Network and Network Management and Set Up Accounts
• Cabling and Computer Hardware Requirements
• Computer Network Configuration Requirements
• Internet Configuration Requirements
Plan Your Network and Network Management and Set Up
Accounts
The UTM is a powerful and versatile solution for your networking needs. The information in
this section can help you to understand the configuration choices that are available to you,
and can make the configuration process easier.
Consider the following information before you begin:
1. Plan your network.
a. Determine whether you will use one or both WAN ports. For one WAN port, you might
need a fully qualified domain name either for convenience or to access a dynamic
WAN IP address remotely.
b. If you intend to use both WAN ports, determine whether you will use them in
auto-rollover mode for increased system reliability or load balancing mode for
maximum bandwidth efficiency. See the topics in this appendix for more information.