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CRC error on start up of CISCO 805 router

Posted on 2004-09-21
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Last Modified: 2011-10-03
I have just bought a second hand CISCO 805 router and on startup it give the following display
TinyROM version 1.2(2)
16:35 08/02/99
Copyright (c) 1998-1999 by cisco Systems, Inc.
All rights reserved.

POST ......... OK.  8MB DRAM, 4MB Flash.


Booting "c805-y6-mw_120-7_T.bin" .
auto-boot: failed, "CRC error"

Booting "c805-y6-mw.120-4.XM" ...,
              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) C805 Software (C805-Y6-MW), Version 12.0(4)XM, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
TAC:Home:SW:IOS:Specials for info
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Thu 17-Jun-99 16:51 by linda
Image text-base: 0x0013B000, data-base: 0x00532000

Cisco C805 (MPC850) processor (revision 0) with 46944K bytes of virtual memory.
Processor board ID JAD04011Y02
CPU part number 33
Bridging software.
1 Ethernet/IEEE 802.3 interface(s)
1 Serial(sync/async) network interface(s)
8M bytes of physical memory (DRAM)
8K bytes of non-volatile configuration memory
4M bytes of flash on board

Building configuration...



Press RETURN to get started!


00:00:16: %LINK-3-UPDOWN: Interface Serial0, changed state to down
00:00:16: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up
00:00:17: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down
00:00:17: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0, changed state to up
*Mar  1 00:00:21.789: %SYS-5-CONFIG_I: Configured from memory by console
*Mar  1 00:00:21.789: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) C805
rtwick01> Software (C805-Y6-MW), Version 12.0(4)XM, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
TAC:Home:SW:IOS:Specials for info
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Thu 17-Jun-99 16:51 by linda
*Mar  1 00:00:21.793: %PQUICC-1-LOSTCARR: Unit 0, lost carrier. Transceiver problem?
*Mar  1 00:00:22.069: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up
*Mar  1 00:00:23.069: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0, changed state to down
rtwick01>show version
Cisco Internetwork Operating System Software
IOS (tm) C805 Software (C805-Y6-MW), Version 12.0(4)XM, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
TAC:Home:SW:IOS:Specials for info
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Thu 17-Jun-99 16:51 by linda
Image text-base: 0x0013B000, data-base: 0x00532000

ROM: TinyROM version 1.2(2)
rtwick01 uptime is 0 minutes
System restarted by power-on
System image file is "flash:c805-y6-mw.120-4.XM"

Cisco C805 (MPC850) processor (revision 0) with 46944K bytes of virtual memory.
Processor board ID JAD04011Y02
CPU part number 33
Bridging software.
1 Ethernet/IEEE 802.3 interface(s)
1 Serial(sync/async) network interface(s)
8M bytes of physical memory (DRAM)
8K bytes of non-volatile configuration memory
4M bytes of flash on board

Configuration register is 0x2102

rtwick01>set ios-conf=142
set: failed, "command not found"
boot# set
set baud           =9600
set data-bits      =8
set parity         =none
set stop-bits      =1
set console-flags  =0
set mac-address    =00B0.64BA.088F
set unit-ip        =0.0.0.0
set serv-ip        =0.0.0.0
set netmask        =0.0.0.0
set gate-ip        =0.0.0.0
set pkt-timeout    =4
set tftp-timeout   =16
set boot-action    =flash
set file-name      ="c805-y6-mw_120-7_T.bin"
set watchdog       =off
set prompt         ="boot"
set ios-conf       =0x2102
boot# set ios-conf=142

boot# boot

Booting "c805-y6-mw_120-7_T.bin" .
boot: failed, "CRC error"
boot# boot flash

Booting "c805-y6-mw_120-7_T.bin" .
boot: failed, "CRC error"
boot#
I have tried to reset the password and get the router back to a basic router config but all to no avail
Any help would be appreciated.
Thanks This is not urgent but I believe it is fairly difficult
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Question by:Willsaveit
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by:JFrederick29
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Looks like your IOS image is corrupted and needs to be replaced.  You can do this by copying a good IOS image from a TFTP server running on a PC to flash on the router.

You can download a free TFTP server from http://www.solarwinds.net

You'll need to download a new IOS image from Cisco's website and copy it to the TFTP root folder on the PC running the TFTP server.

Set the filename of the IOS image file:

set file-name = <filename>

You then need to set the IP address of the router:

set unit-ip = 192.168.0.1

Set the subnet mask:

set netmask = 255.255.255.0

Set the TFTP server address (this is the IP address of the PC running TFTP):

set serv-ip = 192.168.0.10

Next use the following command to download the IOS image from the TFTP server:

upload tftp

Then type "boot flash" to boot the router.

http://www.cisco.com/en/US/products/hw/routers/ps380/products_configuration_guide_chapter09186a008007cdd2.html#16413
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JFrederick29 earned 500 total points
Comment Utility
On second thought, do a "list" to see if you have multiple IOS images loaded on the router.  It looks like you do and perhaps only c805-y6-mw_120-7_T.bin is corrupted.  If you do a list and two IOS images show up, you can delete the c805-y6-mw_120-7_T.bin image as it is most likely corrupted and use the following command to set the boot file to the working IOS.

boot# set file-name = <other IOS image>

Then type "boot flash" and see if it loads correctly.  If not, you will need to download a new image from Cisco and follow the steps in my first post.
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