Security Gateway Manual SG-2100
11.1 Requirements
• This guide assumes the underlying interface is already present (e.g. physical port, VLAN, etc).
• The WAN configuration type and settings must be known before starting. For example, this might be an IP
address, subnet mask, and gateway value for static addresses or credentials for PPPoE.
11.2 Assign the Interface
• Navigate to Interfaces > Assignments
Look at list of current assignments. If the interface in question is already assigned, there is nothing to do. Skip
ahead to the interface configuration.
• Pick an available interface in Available network ports
If there are no available interfaces, then one may need to be setup in some other way (e.g. VLANs).
• Click Add
The firewall will assign the next available OPT interface number corresponding to the internal interface designation.
For example, if there are no current OPT interfaces, the new interface will be OPT1. The next will be OPT2, and so
on.
Note: As this guide does not know what that number will be on a given configuration, it will refer to the interface
generically as OPTx.
The newly assigned interface will have its own entry under the Interfaces menu and elsewhere in the GUI.
11.3 Interface Configuration
The new interface must be enabled and configured.
• Navigate to Interfaces > OPTx
• Check Enable interface
• Set custom name in the Description, e.g. WAN2
• Set IP address and CIDR for static, or DHCP/PPPoE/etc.
See also:
IPv4 Configuration Types
• Create a Gateway if this is a static IP address WAN:
– Click Add a New Gateway
– Configure the gateway as follows:
Default Check if this new WAN should be the default gateway.
Gateway Name Name it the same as the interface (e.g. WAN2), or a variation thereof.
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