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Image Checksum Error???

I keep getting these messages and am unable to load my 12.2 IOS.

System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

Copyright (c) 1986-1995 by cisco Systems

2500 processor with 16384 Kbytes of main memory

F3: 15025024+968980+947240 at 0x3000060

** Image checksum error **

System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

Copyright (c) 1986-1995 by cisco Systems

2500 processor with 16384 Kbytes of main memory

F3: 15025024+968980+947240 at 0x3000060

** Image checksum error **

System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

Copyright (c) 1986-1995 by cisco Systems

2500 processor with 16384 Kbytes of main memory

F3: 15025024+968980+947240 at 0x3000060

** Image checksum error **

System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

Copyright (c) 1986-1995 by cisco Systems

2500 processor with 16384 Kbytes of main memory

F3: 15025024+968980+947240 at 0x3000060

** Image checksum error **

After about 5 minutes of these error message the systme loads into:

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.

cisco Systems, Inc.

170 West Tasman Drive

San Jose, California 95134-1706

Cisco Internetwork Operating System Software

IOS (tm) 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1995 by cisco Systems, Inc.

Compiled Tue 24-Oct-95 15:46 by mkamson

Image text-base: 0x01020000, data-base: 0x00001000

cisco 2509 (68030) processor (revision D) with 16380K/2048K bytes of memory.

Processor board serial number 04127871 with hardware revision 00000000

X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.

1 Ethernet/IEEE 802.3 interface.

2 Serial network interfaces.

8 terminal lines.

32K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (Read/Write)

Can anyone one advise as to what I need to do?

2 REPLIES
New Member

Re: Image Checksum Error???

once after copying the file to system, system verifies its integrity i.e. using checksum, it it doesnt match means image is corrupted, try loading new image see to that checksum i verified as OK.

--srini

New Member

Re: Image Checksum Error???

I upgraded the IOS to 12.3(26) and it reloaded fine. But then I turned off the power for 5 minutes and it displayed image checksum error again. I reloaded it once more and it worked fine.

I'm guessing the flash on the router is bad??

On these 2500's, is it just the memory stick?

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