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aironet 1252ag crashes w/dot1q

I have a few aironet 1252ag's and they all seem to be having the same problem when making vlan sub-if's.  Once you try to set the dot1q encapsulation the ap immediately crashes and returns this dump.

12:20:11 -0800 Fri Mar 1 2002: Unexpected exception to CPUvector 300, PC = 0x23329C  , LR = 0x230488 

-Traceback= 0x23329C 0x230488 0x230540 0x4A7C48 0x4A3508 0xA2C4C 0xC1080 0x1CEDB0 0x1D0B34

CPU Register Context:

MSR = 0x00009030  CR  = 0x42244042  CTR = 0x0022FED8  XER   = 0x20000000

R0  = 0x00000008  R1  = 0x01385888  R2  = 0x00000000  R3    = 0x01972E44

R4  = 0x01972E44  R5  = 0x0180EB08  R6  = 0x00000001  R7    = 0x019724A8

R8  = 0x013858E8  R9  = 0x00000000  R10 = 0x00000000  R11   = 0x0022FED8

R12 = 0x42244042  R13 = 0xFFBE6780  R14 = 0x000C088C  R15   = 0x00000000

R16 = 0x40000000  R17 = 0x00000000  R18 = 0x00000000  R19   = 0x00000000

R20 = 0x012C0000  R21 = 0x012C0000  R22 = 0x013858A8  R23   = 0x00000000

R24 = 0x013858E8  R25 = 0x00000001  R26 = 0x019D6DD8  R27   = 0x01412B80

R28 = 0x019724A8  R29 = 0x01972E44  R30 = 0x0180EB08  R31   = 0x00060000

Writing crashinfo to flash:crashinfo_20020301-202011

the ap is running this version of IOS

Cisco IOS Software, C1250 Software (C1250-K9W7-M), Version 12.4(10b)JDA3, RELEASE SOFTWARE (fc1)

any info would be great.  Thanks.

3 REPLIES

Re: aironet 1252ag crashes w/dot1q

That's a rather old version of code. I'd upgrade to the latest and see if you have the same issue.

If you do open a TAC case and send in the trace back

Steve

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HTH, Steve ------------------------------------------------------------------------------------------------ Please remember to rate useful posts, and mark questions as answered
Bronze

Re: aironet 1252ag crashes w/dot1q

Hi,

Usually when an access point crashes the issue is due to software so try to upgrade the aps to the latest IOS software available for the erase the crash file and check if the issue Continues or not.

Sent from Cisco Technical Support iPhone App

aironet 1252ag crashes w/dot1q

This looks like ugly software bug. upgrade like others recommended.

You can still try remove all the config and try it again.

Rating useful replies is more useful than saying "Thank you"
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