The trap command is used by managed devices to asynchronously report events to the NMS. When certain types of events occur, a managed device sends a trap to the NMS.

• 被管理设备使用陷阱命令向网络管理系统asynchronously报告事件。当一定类型的事件发生，被管理设备向网络管理系统发送一个陷阱。