[nsp] Recoving from a bodged 6500 IOS conversion

Stephen J. Wilcox steve at telecomplete.co.uk
Mon Feb 10 19:21:29 EST 2003


ok i did such a recover recently.

its real easy, just upload the ios to the sup bootflash

you dont need to do any of the stuff on the cisco website for the conversion 
process...

you want the "xmodem" command, download isnt there, thats a 2600 cmd

On Mon, 10 Feb 2003, Martin Taylor wrote:

> Robert,
> 
> 	I just got a chance to test this command (probably way too late for
> Simon), but it doesn't seem to work... at least not on Sup1a's.
> 
> rommon 1 > download sup-bootflash:c6sup12-psv-mz.121-12c.E4.bin bootflash:
> monitor: command "download" not found
> 
> rommon 2 > priv
> You now have access to the full set of monitor commands.
> Warning: some commands will allow you to destroy your configuration and/or
> system images and could render the machine unbootable. 
> 
> rommon 3 > download sup-bootflash:c6sup12-psv-mz.121-12c.E4.bin bootflash:
> monitor: command "download" not found
> 
> thanks,
> 
> marty
> 
> Marty Taylor - Backbone Network Engineer 	marty at internap.com
> Internap Network Services			Work:  404.302.9751
> 250 Williams Street NW				Cell:  678.778.7274
> Suite E-100						
> Atlanta, GA 30303
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Robert A. Hayden
> Sent: Thursday, January 09, 2003 4:47 PM
> To: Simon Lockhart
> Cc: 'Stephen J. Wilcox'; cisco-nsp at puck.nether.net; Martin Taylor
> Subject: Re: [nsp] Recoving from a bodged 6500 IOS conversion
> 
> I think, if I remember last time I botched an IOS -> Hybrid conversion,
> that there's an undocumented command you can run from the MSFC rommon mode
> that is something like
> 
> download sup-bootflash:<filename>  bootflash:
> 
> That will allow you to get an image into the Sup's booflash from the flash
> card and then over to the MSFC's booflash and go from there, but it's been
> several months and my memory is rather horrid this week.
> 
> On Thu, 9 Jan 2003, Simon Lockhart wrote:
> 
> > On Thu Jan 09, 2003 at 03:04:05PM -0500, Martin Taylor wrote:
> > > 	The first time the box boots during the conversion it needs an image
> > > on the "bootflash:" (the one on the MFSC, 1 or 2 seem to function the
> same
> > > during boot process.) After you create a config and store it in NVRAM:
> it
> > > knows to explode the MFSC boot image out of the Sup image automaticly.
> >
> > Okay, cool. That sounds like the problem.
> >
> > > I
> > > painfully waded through this process breaking nearly everything that
> could
> > > be broke. I ended up borrowing a bootflash from another box for the
> initial
> > > boot and then putting the blank bootflash back in after the conversion
> was
> > > complete (while it was powered off of course.) The same idea holds true
> if
> > > you do a "wr erase" on a Layer3 Cat6k, during that initial reload it
> needs
> > > the c6mfsc2-boot.... type image to come, after that it does care.
> >
> > But is there any way to get this image onto the MSFC without swapping
> > bootflash: (as I don't have another MSFC2 on-site)? Whilst the
> documentation
> > talks about using "xmodem" from ROMMON on the MSFC1, that command doesn't
> > seem to exist on the MSFC2 ;-(
> >
> > Alternatively, is there a way to do whatever it does the first time it
> boots
> > (presumably fiddles with NVRAM), from ROMMON?
> >
> > Looking at the NVRAM as it is at the moment,...
> >
> > 	rommon 5 > set
> > 	PS1=rommon ! >
> > 	DL_DISABLE=0
> > 	CONFIG_FILE=
> > 	SLOTCACHE=cards;
> > 	BOOTLDR=
> > 	BOOT=sup-bootflash:c6sup12-psv-mz.121-8a.E4.bin,12
> > 	?=1
> >
> > Simon
> >
> 
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