根据这篇文章，我可以使用erase nvram:andreload命令删除当前的启动配置文件并将路由器恢复到出厂默认设置。

https://www.oreilly.com/library/view/cisco-ios-cookbook/0596527225/ch01s06.html

R1#erase ?
  /all                       Erase all files(in NVRAM)
  /no-squeeze-reserve-space  Do not reserve space for squeeze operation
  flash:                     Filesystem to be erased
  nvram:                     Filesystem to be erased
  pram:                      Filesystem to be erased
  slot0:                     Filesystem to be erased
  startup-config             Erase contents of configuration memory

R1#erase nvram: ?
  <cr>

R1#erase nvram: 
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
[OK]
Erase of nvram: complete
R1#
*Mar  1 00:07:24.891: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram
R1#

我也试过erase startup-config了reload

问题是在那之后什么都没有发生。它只是在输入命令后立即停止响应reload。

R1#reload 
Proceed with reload? [confirm]

如上面的链接所示（或仅参考下面的示例），我没有得到任何提示继续重新加载。

Router1#reload

System configuration has been modified. Save? [yes/no]: no
Proceed with reload? [confirm]<enter>