[c-nsp] ASR920 Break Into ROMMON

Fri Dec 4 07:18:03 EST 2020

I believe the bootflash is an SD card inside, you could pop it out and see
if you can modify it on another asr920 or device, renaming the new filename
to the one it's looking for.  Long shot, but who knows, might work?

On Thu, Dec 3, 2020 at 5:24 PM Scott Miller <fordlove at gmail.com> wrote:

> Ya I tried that too, it still tries to find the wrong ios file and start's
> its loop again.  This one might be a brick.
>
> On Thu, Dec 3, 2020 at 5:15 PM Aaron <dudepron at gmail.com> wrote:
>
> > Try this
> >
> >
> >
> https://packetlife.net/blog/2010/oct/11/recovering-no-service-password-recovery-service/
> >
> >
> > On Thursday, December 3, 2020, Aaron <dudepron at gmail.com> wrote:
> >
> >> Looks like you need to talk to TAC. The password recovery being disabled
> >> is not your friend.
> >>
> >> https://community.cisco.com/t5/routing/asr-920-boot-fail/td-p/3834996
> >>
> >>
> >> On Thursday, December 3, 2020, Scott Miller <fordlove at gmail.com> wrote:
> >>
> >>> The output didn't seem to format well, let's try it again:
> >>>
> >>> System Bootstrap, Version 15.5(3r)S2, RELEASE SOFTWARE (fc1)
> >>> Technical Support: http://www.cisco.com/techsupport
> >>> Copyright (c) 2015 by cisco Systems, Inc.
> >>> Compiled Wed 01-Jul-15 03:53 by sdcunha
> >>> Starting Initialization of FMAN0
> >>> Loading ucode for FMAN0, size: 31424, ver: 106.04.14
> >>> Silicon Rev Major:Minor [1:1]
> >>> Initializing the pci..
> >>> IOFPGA version[17082912]
> >>> Boot ROM0
> >>> Last reset cause: BootFromUpgradeRegFail
> >>> UEA platform with 1572863 Kbytes of main memory
> >>>
> >>> PASSWORD RECOVERY FUNCTIONALITY IS DISABLED
> >>>
> >>> .....Break detected: (0x1)
> >>> Do you want to reset the router to the factory default
> >>> configuration and proceed [y/n] ?y
> >>>
> >>> Router rebooting with factory default configuration
> >>>
> >>> System Bootstrap, Version 15.5(3r)S2, RELEASE SOFTWARE (fc1)
> >>> Technical Support: http://www.cisco.com/techsupport
> >>> Copyright (c) 2015 by cisco Systems, Inc.
> >>> Compiled Wed 01-Jul-15 03:53 by sdcunha
> >>> Starting Initialization of FMAN0
> >>> Loading ucode for FMAN0, size: 31424, ver: 106.04.14
> >>> Silicon Rev Major:Minor [1:1]
> >>> Initializing the pci..
> >>> IOFPGA version[17082912]
> >>> Boot ROM0
> >>> Last reset cause: BootFromUpgradeRegFail
> >>> UEA platform with 1572863 Kbytes of main memory
> >>>
> >>> PASSWORD RECOVERY FUNCTIONALITY IS DISABLED
> >>>
> >>> .....Resetting upgrade counter from failed upgrade
> >>> Directory asr920-universalk9_npe.16.06.05a.SPA.bin not found
> >>> Unable to locate asr920-universalk9_npe.16.06.05a.SPA.bin directory
> >>> Unable to load asr920-universalk9_npe.16.06.05a.SPA.bin
> >>> boot: error executing "boot
> >>> bootflash:asr920-universalk9_npe.16.06.05a.SPA.bin"
> >>> autoboot: boot failed, restarting...
> >>>
> >>> On Thu, Dec 3, 2020 at 4:32 PM Scott Miller <fordlove at gmail.com>
> wrote:
> >>>
> >>> > I have a ASR-920-12SZ-IM, which I inadvertently entered the wrong
> boot
> >>> > command in the config, saved the config and rebooted.  Now it's stuck
> >>> in a
> >>> > boot loop.  I've tried breaking the boot, it asks if I want to reset
> to
> >>> > factory default, and I enter "y", it reboots but still tries to find
> >>> that
> >>> > same bad ios file I entered in the initial configuration which was
> >>> supposed
> >>> > to have been whipped when it went to factory default.  I can't for
> the
> >>> life
> >>> > of me figure out how to get into ROMMON on this box.  Each time I
> >>> break the
> >>> > boot, it just goes back to the same question, asking if I want to
> >>> factory
> >>> > default.
> >>> >
> >>> > Here's what it's doing:
> >>> >
> >>> >
> >>> > System Bootstrap, Version 15.5(3r)S2, RELEASE SOFTWARE (fc1)
> Technical
> >>> > Support: http://www.cisco.com/techsupport Copyright (c) 2015 by
> cisco
> >>> > Systems, Inc. Compiled Wed 01-Jul-15 03:53 by sdcunha Starting
> >>> > Initialization of FMAN0 Loading ucode for FMAN0, size: 31424, ver:
> >>> > 106.04.14 Silicon Rev Major:Minor [1:1] Initializing the pci.. IOFPGA
> >>> > version[17082912] Boot ROM0 Last reset cause: BootFromUpgradeRegFail
> >>> UEA
> >>> > platform with 1572863 Kbytes of main memory PASSWORD RECOVERY
> >>> FUNCTIONALITY
> >>> > IS DISABLED .....Break detected: (0x1) Do you want to reset the
> router
> >>> to
> >>> > the factory default configuration and proceed [y/n] ?y Router
> rebooting
> >>> > with factory default configuration System Bootstrap, Version
> >>> 15.5(3r)S2,
> >>> > RELEASE SOFTWARE (fc1) Technical Support:
> >>> http://www.cisco.com/techsupport
> >>> > Copyright (c) 2015 by cisco Systems, Inc. Compiled Wed 01-Jul-15
> 03:53
> >>> by
> >>> > sdcunha Starting Initialization of FMAN0 Loading ucode for FMAN0,
> size:
> >>> > 31424, ver: 106.04.14 Silicon Rev Major:Minor [1:1] Initializing the
> >>> pci..
> >>> > IOFPGA version[17082912] Boot ROM0 Last reset cause:
> >>> BootFromUpgradeRegFail
> >>> > UEA platform with 1572863 Kbytes of main memory PASSWORD RECOVERY
> >>> > FUNCTIONALITY IS DISABLED .....Resetting upgrade counter from failed
> >>> > upgrade Directory asr920-universalk9_npe.16.06.05a.SPA.bin not found
> >>> Unable
> >>> > to locate asr920-universalk9_npe.16.06.05a.SPA.bin directory Unable
> to
> >>> load
> >>> > asr920-universalk9_npe.16.06.05a.SPA.bin boot: error executing "boot
> >>> > bootflash:asr920-universalk9_npe.16.06.05a.SPA.bin" autoboot: boot
> >>> failed,
> >>> > restarting...
> >>> >
> >>> >  The boot file  bootflash:asr920-universalk9_npe.16.06.05a.SPA.bin is
> >>> > invalid and does not exist.  The correct file which is on the box
> >>> > is  bootflash:asr920igp-universalk9_npe.16.06.05a.SPA.bin
> >>> >
> >>> > Anyone know how to break into ROMMON to blow out this config?  I've
> >>> been
> >>> > at it for a couple hours, nothing I've found googling seems to work.
> >>> >
> >>> > Thanks.
> >>> >
> >>> _______________________________________________
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> >>>
> >>
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