WAN - Dual WAN
RT-AX88U provides Dual WAN support. Select Failover mode to use a secondary WAN for backup network access. Select Load Balance mode to optimize bandwidth, maximize throughput, minimize response time, and prevent data overload for both WAN connections.Dual WAN FAQ
To enable WAN Aggregation, please navigate to WAN-Internet Connection page.
Basic Config
Enable Dual WAN
Primary WAN
Secondary WAN
Dual WAN Mode
Load Balance Configuration   :  
Import ISP profile rules None Primary WAN Secondary WAN
Country / ISP profile rules for Primary WAN
Country / ISP profile rules for Secondary WAN
Auto Network Detection
Detailed explanations are available on the ASUS Support Site FAQ, which may help you use this function effectively.
Detect Interval Every $INPUT_INTERVAL seconds
Failover Trigger Condition
When the current WAN fails $WANDOG_MAXFAIL continuous times, failover to Secondary WAN
Failback Trigger Condition
When the Primary WAN is detected to have an active internet connection using a physical cable for $WANDOG_FB_COUNT continuous times, failback to the Primary WAN.
Network Monitoring
DNS Query
Resolve Hostname
Resolved IP Addresses
Ping Target
Routing rules for Dual WAN
Enable Routing rules Yes No