Cisco Systems Cisco 12816 Manuale Utente

Use the following procedure to locate a Cisco IOS software image to manually 
boot the router from the ROM monitor prompt (rommon>).

Enter the ROM monitor mode dir bootflash command to examine the contents of 
the onboard flash memory in NVRAM on the RP.

rommon 1> dir bootflash:

   File size                  Checksum      File name

   3277967 bytes (0x32048f)   0x6b331e30    gsr-p-mz.120-7.4.5

rommon 2> 

If the memory contains the desired Cisco IOS boot image, proceed to the 

If the onboard flash memory does not contain the desired Cisco IOS boot 
image, proceed to the next step.

Enter the dir slotn: command, where n represents either slot 0 (0) or slot 1(1) to 
find a valid image by examining the contents of the flash memory card.

The following example shows the contents of the flash memory card in slot 0:

rommon 2> dir slot0:

   File size                  Checksum      File name

   3277967 bytes (0x32048f)   0x6b331e30    gsr-p-mz.120-7.4.5

rommon 3>

After you locate a valid boot image, proceed to the 

To boot an image manually, issue the appropriate ROM monitor mode boot 
command after locating a valid Cisco IOS software image. Boot the image using 
one of the boot commands shown in