cryptotech
Technical User
I'm a little green so I'm hoping someone here would be so kind as to throw me a lifeline.
I have a 3640 as part of my lab which had no problems for the first week or so.
One morning I came in and powered everything up and found the 3640 sitting in rommon.
Error : uncompressed image checksum is incorrect
software forced crash..etc..
One of the first things I did when I got this router was to do a copy flash tftp and save a backup.
I've been trying to xmodem the backup and still get the same checksum error- software forced crash.
I've tried xmodem -r, xmodem -c and just xmodem.
Tried the fast baud rate of 115200 and standard 9600.
Everytime just gives the same checksum error and crash.
rommon 3 > xmodem -c c3640-js-mz.124-19.bin
Do not start the sending program yet...
File size Checksum File name
32176096 bytes (0x1eaf7e0) 0xec27 c3640-js-mz.124-19.bin
WARNING: All existing data in flash will be lost!
Invoke this application only for disaster recovery.
Do you wish to continue? y/n [n]: y
Ready to receive file c3640-js-mz.124-19.bin ...
Erasing flash at 0x31fc0000 ---THIS PORTION TOOK 1.5 HOURS!
program flash location 0x31ea0000
Download Complete!
program load complete, entry point: 0x80008000, size: 0x1eaf618
Self decompressing the image : #################################################
################################################################################
############################## [OK]
Error : uncompressed image checksum is incorrect 0xC527DC5F
Expected a checksum of 0xC524720B
*** System received a Software forced crash ***
signal= 0x17, code= 0x9, context= 0x8000ec80
PC = 0x800080d4, Cause = 0x20, Status Reg = 0x3041f003
rommon 4 >
Is there any way to TFTP boot from rommon...There is no tftpdnld command for the 3640
Any suggestions would be appreciated, since I don't know how on earth im going to get another IOS for this thing..
thanks,
Josh
I have a 3640 as part of my lab which had no problems for the first week or so.
One morning I came in and powered everything up and found the 3640 sitting in rommon.
Error : uncompressed image checksum is incorrect
software forced crash..etc..
One of the first things I did when I got this router was to do a copy flash tftp and save a backup.
I've been trying to xmodem the backup and still get the same checksum error- software forced crash.
I've tried xmodem -r, xmodem -c and just xmodem.
Tried the fast baud rate of 115200 and standard 9600.
Everytime just gives the same checksum error and crash.
rommon 3 > xmodem -c c3640-js-mz.124-19.bin
Do not start the sending program yet...
File size Checksum File name
32176096 bytes (0x1eaf7e0) 0xec27 c3640-js-mz.124-19.bin
WARNING: All existing data in flash will be lost!
Invoke this application only for disaster recovery.
Do you wish to continue? y/n [n]: y
Ready to receive file c3640-js-mz.124-19.bin ...
Erasing flash at 0x31fc0000 ---THIS PORTION TOOK 1.5 HOURS!
program flash location 0x31ea0000
Download Complete!
program load complete, entry point: 0x80008000, size: 0x1eaf618
Self decompressing the image : #################################################
################################################################################
############################## [OK]
Error : uncompressed image checksum is incorrect 0xC527DC5F
Expected a checksum of 0xC524720B
*** System received a Software forced crash ***
signal= 0x17, code= 0x9, context= 0x8000ec80
PC = 0x800080d4, Cause = 0x20, Status Reg = 0x3041f003
rommon 4 >
Is there any way to TFTP boot from rommon...There is no tftpdnld command for the 3640
Any suggestions would be appreciated, since I don't know how on earth im going to get another IOS for this thing..
thanks,
Josh