[cisco-nas] router cannot boot

[Pierre Nepveu]

reboot the router and interrupt the boot process. you will be in rommon mode.
type 'tftpdnld' and follow the instructions (you have to set variables to give
your router an IP config and where to fetch the IOS from)

Quite easy, really...

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Pierre Nepveu, CCNP                    tel: +1 514.380-4289 
Administrateur de reseau                    +1 888.INFOVTL x 4289
Ingenierie / Acces Internet            fax: +1 514 899-8452
Videotron Telecom Ltee (VTL) - Montreal (Quebec), Canada
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Le 2004-05-12 à 19:33, Souphonh a écrit:

S> Dear Sir,
S> 
S> I have problem with booting my 2611 router. Actually, I upgraded the IOS for that router, but I forgot to check the checksum after finish tftping. Then I just reload the router after finish tftp, and it cannot boot. The following is the message that I got at my terminal machine at the problem occurs:
S> 
S>   System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
S>   Copyright (c) 1999 by cisco Systems, Inc.
S>   TAC:Home:SW:IOS:Specials for info
S>   C2600 platform with 32768 Kbytes of main memory
S> 
S>   program load complete, entry point: 0x80008000, size: 0x5bca80
S> 
S>   Error : compressed image checksum is incorrect 0x8A319D1A
S>           Expected a checksum of 0x8A31A51A
S> 
S>   *** System received a Software forced crash ***
S>   signal= 0x17, code= 0x5, context= 0x0
S>   PC = 0xbaddaddd, Vector = 0xbaddaddd, SP = 0xbaddaddd
S> 
S>   *** Machine Check Exception ***
S>   PC = 0xfff14e30, Vector = 0x200, SP = 0x81fffe28 
S> 
S> I have the old IOS on my tftp server, but how can I reload it into this router again. Please help to recovery this error.
S> 
S> Regards,
S> Souphonh
S>