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Problem with Internet router 2811

Unanswered Question
Jan 16th, 2014
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Dear all,


Please I have serious problem with my internet router.

It happened from time to time sometimes in 2 weeks sometimes 1 time a month.

I cant access it with console or vty. I have to reload the router physically.

When I try to connnect console I got this messgages reapting over and over and wont let me in at all.

But I can ping it from the core but not access.



Here is the Message:


Internet-R con0 is now available



Press RETURN to get started.



*Jan 16 07:51:29.888: %AAAA-3-INTERNAL_ERROR: AAA failed to create a chunk from authen DB chunks,  -Traceback= 0x40E43408 0x40DF96C8 0x40ADFB60 0x40AE1658

% Authentication failed



*Jan 16 07:51:31.892: %AAAA-3-INTERNAL_ERROR: AAA failed to create a chunk from authen DB chunks,  -Traceback= 0x40E43408 0x40DF96C8 0x40ADFB60 0x40AE1658

% Authentication failed



*Jan 16 07:51:33.040: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for NAT Fragment0 . No memory available -Process= "Chunk Manager", ipl= 3, pid= 1,  -Traceback= 0x40E43408 0x40090D08

*Jan 16 07:51:33.892: %AAAA-3-INTERNAL_ERROR: AAA failed to create a chunk from authen DB chunks,  -Traceback= 0x40E43408 0x40DF96C8 0x40ADFB60 0x40AE1658

*Jan 16 07:51:34.488: %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x400915CC, alignment 8

Pool: Processor  Free: 1427524  Cause: Memory fragmentation

Alternate Pool: None  Free: 0  Cause: No Alternate pool

-Process= "Chunk Manager", ipl= 3, pid= 1,  -Traceback= 0x40E43408 0x4007E8A4 0x400848EC 0x4008508C 0x400915D4 0x40090B38 0x40090CC4

% Authentication failed

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mohamednselim Thu, 01/16/2014 - 00:30
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Here is the show version.



Show ver

Cisco IOS Software, 2800 Software (C2800NM-ADVSECURITYK9-M), Version 12.4(20)T2, RELEASE SOFTWARE (fc4)

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

Copyright (c) 1986-2009 by Cisco Systems, Inc.

Compiled Sat 31-Jan-09 13:46 by prod_rel_team



ROM: System Bootstrap, Version 12.4(13r)T11, RELEASE SOFTWARE (fc1)



Living-in-internet-R uptime is 42 minutes

System returned to ROM by power-on

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

[email protected].



Cisco 2811 (revision 53.51) with 247808K/14336K bytes of memory.

Processor board ID FCZ132070EX

2 FastEthernet interfaces

2 Serial(sync/async) interfaces

1 ATM interface

1 Virtual Private Network (VPN) Module

DRAM configuration is 64 bits wide with parity enabled.

191K bytes of non-volatile configuration memory.

62720K bytes of ATA CompactFlash (Read/Write)



Configuration register is 0x2102

Iulian Vaideanu Thu, 01/16/2014 - 00:41
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  • Silver, 250 points or more

Well, there's no IOS - RAM size mismatch, and I'm not aware about any RAM-related bugs for that specific version.  However, that IOS is pretty old (I don't even see it on Cisco's download page) - I'd update to the latest 12.4T (12.4(24)T8), or even to 15.1(4)M7 if there's no particular reason to stick to 12 (but be sure to keep the ADVSECURITY feature set, as ADVIPSERVICES or ADVENTERPRISE require twice the amount of RAM your router has).

mohamednselim Thu, 01/16/2014 - 00:50
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I jsut downloded  c2800nm-advsecurityk9-mz.151-4.M7

will apply it today after working hours and will see if this happened again for the next month.


Thanks for the help.

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