Cisco 877 - Last reload reason: Unknown reason

[johnlloyd_13]

hi all,

i've got a cisco 877 always rebooting. it's my first time seeing this reason for reload. appreciate if someone could enlighten me on this output and if there's a hardware/IOS issue on our router. thanks in advance!

877 uptime is 2 hours, 50 minutes

System returned to ROM by reload at 08:25:23 SGT Fri Mar 1 2002

System restarted at 11:14:12 SGT Mon Oct 24 2011

System image file is "flash:c870-advsecurityk9-mz.124-6.T2.bin"

Last reload reason: Unknown reason

877#sh alignment

No spurious memory references have been recorded.

877#sh region

Region Manager:

      Start         End     Size(b)  Class  Media  Name

0x07400000  0x07FFFFFF    12582912  Iomem  R/W    iomem

0x80000000  0x873FFFFF   121634816  Local  R/W    main

0x8002008C  0x81639197    23171340  IText  R/W    main:text

0x81639198  0x8253D00B    15744628  IData  R/W    main:data

0x8253D00C  0x827075D3     1877448  IBss   R/W    main:bss

0x827075D4  0x873FFFFF    80710188  Local  R/W    main:heap

Free Region Manager:

      Start         End     Size(b)  Class  Media  Name

877#sh stacks

Minimum process stacks:

Free/Size   Name

5488/6000   Clock Update Proc

5548/6000   Inspect Init Msg

5540/6000   SPAN Subsystem

8128/12000  Init

4396/6000   Update prst

5548/6000   vidb clone Process

5376/6000   RADIUS INITCONFIG

2124/3000   Rom Random Update Process

35020/36000  TCP Command

10304/12000  Virtual Exec

Interrupt level stacks:

Level    Called Unused/Size  Name

  2           0   7868/9000  Host/PCI Bridge Interrupt

  3           0   8572/9000  SEC Interrupt Handler

  4           0   8544/9000  IDMA2 handler

  5           0   8960/9000  Console Break Risc Timer Interrupt

  6           0   8884/9000  MPC8270 Console Interrupt

  7           0   8916/9000  MPC8270 Timer4 Interrupt

[Eugene Khabarov]

Can you please paste "show ver" exactly as it appears?

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[johnlloyd_13]

Hi Eugene,

Here's the requested output. I've noticed the last reload went gone. Please let me know what you think. Thanks in advance!

877 uptime is 18 minutes

System returned to ROM by power-on

System restarted at 11:45:05 SGT Tue Oct 25 2011

System image file is "flash:c870-advsecurityk9-mz.124-6.T2.bin"

This product contains cryptographic features and is subject to United

States and local country laws governing import, export, transfer and

use. Delivery of Cisco cryptographic products does not imply

third-party authority to import, export, distribute or use encryption.

Importers, exporters, distributors and users are responsible for

compliance with U.S. and local country laws. By using this product you

agree to comply with applicable laws and regulations. If you are unable

to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to

export@cisco.com.

Cisco 877 (MPC8272) processor (revision 0x200) with 118784K/12288K bytes of memory.

Processor board ID FHK103220JJ

MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10

4 FastEthernet interfaces

1 ATM interface

128K bytes of non-volatile configuration memory.

24576K bytes of processor board System flash (Intel Strataflash)

Configuration register is 0x2102

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[Leo Laohoo]

In some cases, I see the "unknown reason" why I upgrade the bootstrap and reload the router.

[johnlloyd_13]

Hi Leo,

If I do an upgrade, do you know any stable IOS? I'm considering an RMA probably by next week to have a quick fix.

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[Eugene Khabarov · Accepted solution]

Hi! Try to use MD release c870-advsecurityk9-mz.124-15.T15.bin

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[Leo Laohoo · Accepted solution]

If I do an upgrade, do you know any stable IOS?

Hello John,

Not an IOS upgrade.  It's upgrading the BOOTSTRAP.  When you upgrade the bootstrap, the automated script will reboot your 870 router.  When it comes up, it will come up as "Unknown reasons".  IOS upgrade will come up normally as "Reload". 

If you want to upgrade your IOS, I won't shy away from the 15.X if you have enough DRAM and Flash.

CORRECTION:  Yeah.  You have enough flash and DRAM for IOS 15.  Word of warning:  Some of the values in the Cisco Download for 15.X is not really "accurate".  I don't have the a 871 running IOS 15 at home but I've got a 871 running 15 with 24mb flash even though the website recommends I have 28 mb flash.  You'll need to test it first.  If you're still interested, let me know and I'll post what I've got.

[johnlloyd_13]

Thanks guys! Appreciate your inputs. I'll take it from here.

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[Leo Laohoo]

Thanks for the ratings John.