交换机备份、删除、恢复ios

交换机备份ios

SW2#show flash
Directory of flash:/

1  -rw-     4414921          <no date>  c2960-lanbase-mz.122-25.FX.bin

64016384 bytes total (59601463 bytes free)
SW2#copy flash tftp //将flash备份进TFTP
Source filename []? c2960-lanbase-mz.122-25.FX.bin
Address or name of remote host []? 192.168.1.2
Destination filename [c2960-lanbase-mz.122-25.FX.bin]? SW2.bin

Writing c2960-lanbase-mz.122-25.FX.bin…!!!
[OK - 4414921 bytes]

4414921 bytes copied in 0.189 secs (634675 bytes/sec)
//ios 备份成功

删除交换机iOS并恢复

SW2#delete flash
Delete filename []?c2960-lanbase-mz.122-25.FX.bin
Delete flash:/c2960-lanbase-mz.122-25.FX.bin? [confirm]

SW2#show flash
Directory of flash:/

No files in directory

64016384 bytes total (64016384 bytes free)

//iOS已删除
//iOS恢复之前不可断电（重启）否则将无法操作

SW2#copy tftp flash //从TFTP恢复
Address or name of remote host []? 192.168.1.2
Source filename []? SW2.bin
Destination filename [SW2.bin]?

Accessing tftp://192.168.1.2/SW2.bin…
Loading SW2.bin from 192.168.1.2: !!!
[OK - 4414921 bytes]

4414921 bytes copied in 0.206 secs (582299 bytes/sec)
SW2#show flash
Directory of flash:/

2 -rw- 4414921 SW2.bin

64016384 bytes total (59601463 bytes free)
//iOS已从服务器恢复

//重启之后恢复成功

恢复iOS之前重启结果—将无法进入系统


*此时交换机已经无法正常开机，需要用计算机串口连接交换机console口，用CRT等超级终端连接交换机下载iOS进行恢复