# AntiDDoS1820-N Performance Monitoring

You can view the CPU usage and interface traffic statistics through AntiDDoS1820-N performance monitoring.

#### Procedure

1. Choose Defense > Network Settings > Devices.
2. Click corresponding to the AntiDDoS1820-N to view its CPU usage and interface traffic statistics.

   You can customize monitoring information by specifying the monitoring time, CPU, interface number, and traffic unit.

Parent topic: System Maintenance

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