由于交换机在网络中应用范围非常广泛，所以交换机发生故障的机率比其他网络设备要高很多。交换机运行中出现故障是不可避免的，但出现故障后应当迅速地进行处理，尽快查出故障点，排除故障，这是维护人员应尽的职责。要做到这一点，就必须掌握交换机配置文件的备份和恢复技术。这样可以缩短设备故障历时，也可以通过分析和预处理查找故障隐患，将故障消除在萌芽状态，从而有效地提高维护人员的工作效率和网络的运行质量，为单位创造良好的经济效益和社会效益。

The switch is widely used in the network，so it is prone to failure．Switch failure is inevitable， but after the failure we should be dealt with promptly．To do that，you must master the configuration file backup and recovery technology．This can reduce equipment downtime， eliminate risk，thereby effectively improving the efficiency of maintenance personnel and network operation quality，to create good economic and social benefits．