If you boot straight to rommon on your 7600, with a message saying that it is unable to find boot file:
Autoboot: failed, BOOT string is emptyThen first check the boot flash on the supervisor:
rommon 1 > dir bootflash:You will most likely see something along the lines of :
rommon 1 > dir bootflash: File size Checksum File nameNotice that nothing exists on the boot flash. This means you need to boot from an IOS that is installed on one of your disks. First list what is on your disk:
rommon 1 > dir disk0:
rommon 1 > dir disk0: File size Checksum File name 45463592 bytes (0x104aecc) 0x9a2f0302 s720333-psv-mz.122-18.SXD7.binUsing this info, boot via this file:
rommon 1 > boot disk0:s720333-psv-mz.122-18.SXD7.bin
Loading image, please wait ... Self decompressing the image : ################################################# ################################################################################ ################################################################################ ################################################################################ ####################### [OK] Restricted Rights Legend Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. ///ETC...Once you get booted into the IOS, you can copy the disk image to the supervisor flash:
Router# copy disk0:s72033-psv-mz.122-18.SXD7.bin sup-bootflash:If you are copying from the main supervisor over to the redundant supervisor just add the word slave in front of each disk device name.
You can also specify from IOS which image should be booted:
boot system disk0:s720333-psv-mz.122-18.SXD7.binCisco’s link is here.
Thx to: http://gregsowell.com
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