楼主可以参考一下下面文档中有关Recover from a 3850 Series Switch Boot Failure的内容
Catalyst 3850 Series Switch Upgrade, Management, and Recovery Techniques
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117552-technote-cat3850-00.html至于emergency-install和software install有什么区别,上面的文档没有提到,但emergency-install这个命令出现在Emergency Recovery这一节当中。Emergency Recovery是3850系列在其他修复启动问题方法都无效的情况下使用的trap door方法。由此可见,emergency-install只是在实在没办法的情况下才使用,software install是常规的方法。
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Rockyw | If it solves your problem, please mark as answer. Thanks !