QNO Security QoS Firewall Router, User Manual

Page: 28 / 165

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Backup Interface
：
Select another WAN port as link backup when port binding is configured.
Users should select the port that employs the same ISP.
After the changes are completed, click
“Apply”
to save the configuration, or click
“Cancel"
to leave
without making any changes.
Static IP
If an ISP issues a static IP (such as one IP or eight IP addresses, etc.), please select this connection
mode and follow the steps below to input the IP numbers issued by an ISP into the relevant boxes.
WAN IP address Input the available static IP address issued by ISP.
Subnet Mask
Input the subnet mask of the static IP address issued by ISP, such as:
Issued eight static IP addresses: 255.255.255.248
Issued 16 static IP addresses: 255.255.255.240
Default Gateway
Input the default gateway issued by ISP. For ADSL users, it is usually an ATU-R
IP address. As for optical fiber users, please input the optical fiber switching IP.