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DMVPN spoke crashes

Hi all,

we have a DMVPN configured between our headquarter and branch offices.

on some of our branch offices, we noticed the router craches.

we changed the router and the issue always occurs.

the crashinfo we got is as below

11:45:19 GMT+3 Tue Sep 11 2012: TLB (load or instruction fetch) exception, CPU signal 10, PC = 0x4292DD5C


   Possible software fault. Upon reccurence,  please collect

   crashinfo, "show tech" and contact Cisco Technical Support.


-Traceback= 0x4292DD5C 0x4292E63C 0x4249E8DC 0x4249FCF0 0x418DE4D4 0x418C4294 0x416B7DB0 0x41511998 0x41E69F48 0x414F6954 0x414F762C 0x414F7C14

$0 : 00000000, AT : 44630000, v0 : 00000008, v1 : AB980E6C

a0 : 08000000, a1 : 46BE5AFC, a2 : 00000005, a3 : 00000001

t0 : 00000008, t1 : 00000008, t2 : 0000000A, t3 : 4698FD77

t4 : 46B0BE28, t5 : F2310BE3, t6 : 00000500, t7 : 44950000

s0 : 469E2AF0, s1 : 46B0BDF8, s2 : 4698FD77, s3 : 46B0BDF8

s4 : 4698FD77, s5 : 4698FD7F, s6 : 4698FD74, s7 : 00000000

t8 : 00000000, t9 : 00000020, k0 : 3040A801, k1 : A000F000

gp : 446326D0, sp : 469E6800, s8 : 4698FD9C, ra : 4292E63C

EPC  : 4292DD5C, ErrorEPC : 838FF4DF, SREG     : 3400FF03

MDLO : 0040CF00, MDHI     : 00000000, BadVaddr : F2310BE3

CacheErr : 901F7FFB, DErrAddr0 : 06BE5B00, DErrAddr1 : 06B0BE30

DATA_START : 0x42983510

Cause 00000008 (Code 0x2): TLB (load or instruction fetch) exception

is the anybody who can say the reason of crash?

Everyone's tags (3)
Cisco Employee

Re: DMVPN spoke crashes


Can you post a show version please?



Sent from Cisco Technical Support iPad App


Re: DMVPN spoke crashes


Below the show version route:

PRE_C2821_DMVPN#sh ver

Cisco IOS Software, 2800 Software (C2800NM-ADVSECURITYK9-M), Version 12.4(20)YA1, RELEASE SOFTWARE (fc1)

Technical Support:

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

Compiled Fri 29-Aug-08 04:20 by prod_rel_team

ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)

PRE_C2821_DMVPN uptime is 5 hours, 55 minutes

System returned to ROM by reload at 03:00:00 GMT+3 Mon Sep 17 2012

System restarted at 03:01:28 GMT+3 Mon Sep 17 2012

System image file is "flash:c2800nm-advsecurityk9-mz.124-20.YA1.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:

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

Cisco 2821 (revision 53.50) with 512000K/12288K bytes of memory.

Processor board ID FCZ113870P0

2 Gigabit Ethernet interfaces

1 Virtual Private Network (VPN) Module

DRAM configuration is 64 bits wide with parity enabled.

239K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102


Cisco Employee

Re: DMVPN spoke crashes


This crash results from a software bug. U should upgrade to 124.24T7.