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Community Member

Cisco 877 defaults to Rommon mode when switched on.

Hello,

I have a Cisco 877 that when ever it is switched on it will default to rommon mode, if I type reset it will boot up the IOS and startup/running config.

Show version displays the congiguration register as 0x2102

The ISO is c870-advsecurityk9-mz.124-15.T7.bin

Thanks

4 REPLIES
Bronze

Re: Cisco 877 defaults to Rommon mode when switched on.

Perhaps a "show diag" will reveal some issues.

Instead of reset, try i and record what happens - this may/may not reveal more details.

Other than that - Perhaps a TAC case.

Frank

Community Member

Re: Cisco 877 defaults to Rommon mode when switched on.

Here it is:

sh diag

C877 Mainboard

Motherboard is analyzed

Motherboard insertion time unknown

EEPROM contents at hardware discovery:

Chassis MAC Address : 0023.02f8.9d2a

MAC Address block size : 10

PCB Serial Number : FOC12352UGG

Hardware Revision : 3.0

Part Number : 74-3501-05

Board Revision : C1

Top Assy. Part Number : 800-26784-06

Deviation Number : 0

Fab Version : 03

CLEI Code : VAMG510DRB

RMA Test History : 00

RMA Number : 0-0-0-0

RMA History : 00

Product (FRU) Number : CISCO877-K9

Version Identifier : V05

Processor type : 94

Chassis Serial Number : FCZ123911L6

Radio Country Code : FFFF

EEPROM format version 4

EEPROM contents (hex):

0x00: 04 FF C3 06 00 23 04 F8 9D 3A 43 00 0A C1 8B 46

0x10: 4F 43 31 32 33 35 32 55 47 47 40 04 B5 41 03 00

0x20: 82 4A 0D AD 05 42 43 31 C0 46 03 20 00 68 A0 06

0x30: 88 00 00 00 00 02 03 C6 8A 56 41 4D 47 35 31 30

0x40: 44 52 42 03 00 81 00 00 00 00 04 00 CB 94 43 49

0x50: 53 43 4F 38 37 37 2D 4B 39 20 20 20 20 20 20 20

0x60: 20 20 89 56 30 35 20 D9 02 40 C1 09 94 C2 8B 46

0x70: 43 5A 31 32 33 39 31 31 4C 36 4A FF FF FF FF

Power Over Ethernet Module : Not Detected

sh version

Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version 12.4(15)T7, RELEASE SOFTWARE (fc3)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2008 by Cisco Systems, Inc.

Compiled Thu 14-Aug-08 07:43 by prod_rel_team

ROM: System Bootstrap, Version 12.3(8r)YI4, RELEASE SOFTWARE

Dublin-WH-877 uptime is 3 minutes

System returned to ROM by power-on

System image file is "flash:c870-advsecurityk9-mz.124-15.T7.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 0x300) with 118784K/12288K bytes of memory.

Processor board ID FCZ123911L6

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

Hall of Fame Super Gold

Re: Cisco 877 defaults to Rommon mode when switched on.

Hi Andy,

What is your flash and DRAM memory size of your appliance?

We had an experience where the IOS of the 877 would randomly gets corrupted. After a few headslapping events, it was boiled down to not reading the instructions. Our 877 has 24mb of flash but in the download page (which everyone, including me, took for granted), the flash required was 28 mb.

Hope this helps.

Hall of Fame Super Gold

Re: Cisco 877 defaults to Rommon mode when switched on.

I'd recommend you upgrade to 12.4.15T9. Your current version has a long list of bugs that looks like a chinese takeaway menu.

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