# Adding Devices

Adding devices is the prerequisite of all device operations. Only the administrator who has the right to create devices can add devices.

Choose Defense > Network Settings > Devices and manage devices.

Add | Click to add the AntiDDoS device, router, AntiDDoS1820-N, and syslog device. For details, see Creating an AntiDDoS, Creating a Router, Creating an AntiDDoS1820-N, Creating an AntiDDoS1820-N Cluster, and Creating a Syslog-linkage Device. NOTE: The ATIC management center supports a maximum of 500 devices, among which a maximum of 50 AntiDDoS1820-Ns can be created, a maximum of 25 AntiDDoS1820-N clusters can be created, and a maximum of 100 syslog interworking devices can be created.
Deletion | Delete a device: Click in the Operation column of each row to delete the corresponding device. Delete devices in batches: Select the check boxes of multiple devices and click above the list to delete the selected devices. Select the check box on the title bar and click above the list to delete all devices.
Modification | Click corresponding to a device to change the device management protocol. You can modify the following parameters for the AntiDDoS device: SNMP Telnet FTP For FTP server configurations, see Library Files. Log Config NOTE: Only AntiDDoS V500R001C60 supports the enabling and disabling of the log encryption function on the Log Config page. Versions earlier than AntiDDoS V500R001C60 do not support this. After the upgrade to AntiDDoS V500R001C60, you must change the log password. Log encryption can be enabled or disabled as required. Encrypt Type is enabled by default. If it is disabled, information may be disclosed or tampered with when the device reports logs. RESTful parameter You can modify the following parameters for the AntiDDoS1820-N device: SNMP Telnet FTP Log Configuration
Synchronization | Click corresponding to a device to synchronize all service data of the device to the NMS for management. CAUTION: When the service data of the device is synchronized, the VPN data of the device is also synchronized. It is difficult to determine whether the latest VPN data on the device is consistent with the VPN data on the ATIC management center. Therefore, to ensure that the VPN data in the traffic diversion task on the ATIC management center is consistent with that on the device, the ATIC management center automatically deletes traffic diversion tasks with VPNs when synchronizing device service data.
Performance Monitoring | Click corresponding to a device and view the CPU usage and interface traffic statistics of the device. For details, see System Maintenance.
Device License Information | Click corresponding to a device and view the Huawei Cloud Advanced Anti-DDoS service license information of the device.
Connection status | View the status of the connection between the ATIC management center server and device. indicates that the device is online. That is, the ATIC management center server is connected to the device. indicates that the device is offline.

- Creating an AntiDDoS
  After the communication between the ATIC and the AntiDDoS is established through SNMP, you can add the AntiDDoS.
- Creating a Router
  Add a router to associate with the AntiDDoS1820-N.
- Creating an AntiDDoS1820-N
  Only the administrator who has the right to create devices can add devices. After the communication between the ATIC and the AntiDDoS1820-N is established through SNMP, you can add the AntiDDoS1820-N.
- Creating an AntiDDoS1820-N Cluster
  By creating an AntiDDoS1820-N cluster, you can associate multiple AntiDDoS1820-Ns as a whole to detect network traffic. This greatly improves the traffic detection capability.
- Creating a Syslog-linkage Device
  When the syslog-linkage device works as a detecting device, add the syslog-linkage device to the ATIC management center.

Parent topic: Initial Configuration of the Management Center

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