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Cisco 7100 Series VPN Routers

Field Notice: Router May Fail To Boot when Bootflash Contains Non-Bootable Code

August 15, 2001

Products Affected

Product

Top Assembly

Printed Circuit Assembly

Comments

HW Rev.

Part Number

Rev.

Part Number

Rev.

NPE-100

800-02131-xx

 ?

73-2144-xx

 ?

Network Processing Engine 100

 ?

NPE-150

 ? ?

73-1536-xx

 ?

Network Processing Engine 150

 ?

NPE-175

 ? ?

73-3466-xx

 ?

Network Processing Engine 175

 ?

NPE-175

800-05420-xx

 ?

73-3453-xx

 ?

Network Processing Engine 175

 ?

NPE-200

800-2610-xx

 ?

73-2441-xx

 ?

Network Processing Engine 200

 ?

NPE-225

 ? ?

73-4043-02

 ?

Network Processing Engine 225

 ?

NPE-225

800-05418-xx

 ?

73-3453-xx

 ?

Network Processing Engine 225

 ?

NPE-300

800-03959-xx

 ?

73-3409-xx

 ?

Network Processing Engine 300

 ?

NPE-400

800-08136-xx

 ?

73-5308-xx

 ?

Network Processing Engine 400

 ?

RSP1

28-1232-xx

 ?

73-1232-xx

 ?

Route Switch Processor 1

 ?

RSP2

800-01934-xx

 ?

73-1324-xx

 ?

Route Switch Processor 2

 ?

RSP4

800-01510-xx

 ?

73-1689-xx

 ?

Route Switch Processor 4

 ?

Cisco 7120-4T1

800-05216-xx

 ? ? ?

Cisco 7120-4T1, Cisco 7120 Router, 4-PORT Serial, Dual 10/100

 ?

Cisco 7120-AE3

800-05216-xx

 ? ? ?

Cisco 7120-AE3, Cisco 7120 Router, ATM E3, Dual 10/100 FE, AC

 ?

Cisco 7120-AT3

800-05216-xx

 ? ? ?

Cisco 7120-AT3, Cisco 7120 Router, ATM T3, Dual 10/100 FE, AC

 ?

Cisco 7120-E3

800-05216-xx

 ? ? ?

Cisco 7120-E3, Cisco 7120 Router, E3, Dual 10/100 FE, AC, WIT

 ?

Cisco 7120-SMI3

800-05216-xx

 ? ? ?

Cisco 7120-SMI3, Cisco 7120 Router, OC3-SMI, Dual 10/100 FE,

 ?

Cisco 7120-T3

800-05216-xx

 ? ? ?

Cisco 7120-T3, Cisco 7120 Router, T3, Dual 10/100 FE, AC, WIT

 ?

Cisco 7140-2AE3

800-04817-xx

 ? ? ?

Cisco 7140-2AE3, Cisco 7140 Router, Dual ATM E3, Dual 10/100

 ?

Cisco 7140-2AT3

800-04817-xx

 ? ? ?

Cisco 7140-2AT3, Cisco 7140 Router, Dual ATM T3, Dual 10/100

 ?

Cisco 7140-2E3

800-04817-xx

 ? ? ?

Cisco 7140-2E3, Cisco 7140 Router, Dual E3, Dual 10/100 FE, D

 ?

Cisco 7140-2FE

800-04817-xx

 ? ? ?

Cisco 7140-2FE, Cisco 7140 Router, Dual 10/100 FE, Dual AC, I

 ?

Cisco 7140-2MM3

800-04817-02

 ? ? ?

Cisco 7140-2MM3, Cisco 7140 Router, Dual OC3-MM, Dual 10/100

 ?

Cisco 7140-2T3

800-04817-xx

 ? ? ?

Cisco 7140-2T3, Cisco 7140 Router, Dual T3, Dual 10/100 FE, D

 ?

Cisco 7140-8T

800-04817-xx

 ? ? ?

Cisco 7140-8T, Cisco 7140 Router, 8-PT. Serial, Dual 10/100 F

 ?

Problem Description

The router will start to boot and will either hang or crash with a bus error exception. The system may produce the following on the console just prior to crashing or hanging:

CCCCC

Background

The platforms affected require that the first file on bootflash be a boot image. If it is not, the bootstrap software attempts to boot whatever image is first on bootflash. While attempting to boot a non-image file the system either crashes or hangs.

Problem Symptoms

If the system is experiencing this problem, the following symptoms are displayed on the console. Please refer to the equipment type you have.

For NPE-xxx:

System Bootstrap, Version 12.1(20000710:044039) [nlaw-121E_npeb 117], DEVELOPMENT SOFTWARE
Copyright (c) 1994-2000 by cisco Systems, Inc.CCCCC

[system hangs]

Or,

System Bootstrap, Version 12.1(20000710:044039) [nlaw-121E_npeb 117], DEVELOPMENT SOFTWARE
Copyright (c) 1994-2000 by cisco Systems, Inc.
C7200 platform with 131072 Kbytes of main memory

[system hangs]

For 7100:

System Bootstrap, Version 12.0(5r)XE2, RELEASE SOFTWARE (fc1)
Copyright (c) 2000 by cisco Systems, Inc.

R5K CPU
C7100 platform with 65536 Kbytes of main memory

[system hangs]

For RSP4:

CCCCCC

[system hangs]

For RSP2:

This RSP2 is system master
Other RSP2 is not plugged in
RSP2 processor with 131072 Kbytes of main memory

CCC
*** Illegal Opcode Exception ***
PC = 0x800108a0, Cause = 0x28, Status Reg = 0x30408403
DCL Masked Interrupt Register = 0x00000000
DCL Interrupt Value Register = 0x00000000
MEMD Int 6 Status Register = 0x00000000

monitor: command "boot" aborted due to exception
System Bootstrap, Version 5.3(16645) [szhang 571], INTERIM SOFTWARE
Copyright (c) 1994-1995 by cisco Systems, Inc.

Workaround/Solution

  1. Send a break sequence to the console as the router starts the boot process and the router drops into ROMMON.

  2. In ROMMON, boot directly to an image on bootflash, PCMCIA flash or flash disk.

  3. When Cisco IOS® Software loads, verify that the first image on bootflash is a valid boot image.

For more information on this process, please refer to the following document: http://www.cisco.com/warp/public/130/recovery_c7500.html.

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

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