[c-nsp] Cat 4900M crash

[Artyom Viklenko]

21.10.2012 16:36, Tóth András пишет:
> Hi Artyom,
>
> I have decoded the crashinfo and you're hitting the following bug:
> CSCtn68186 - crash on BGP up when 'ip cef accounting non-recursive' is
> configured
>
> This is fixed in 12.2(53)SG5 and 15.0(2)SG and later releases.
> Workaround is to disable 'ip cef accounting' which is not supported on
> the 4500/4900 platform.

Thank you!

I disabled ip cef accounting. Will see if it helps.



>
> Best regards,
> Andras
>
> On Wed, Oct 17, 2012 at 7:38 AM, Artyom Viklenko<artem at aws-net.org.ua>  wrote:
>> Hi, list!
>>
>> We have cisco WS-C4900M (MPC8548) processor (revision 2)
>> with cat4500e-entservicesk9-mz.122-54.SG.bin IOS on it
>> at remote location.
>>
>> It is used to connect to some IXP an have BGP peerings.
>> Some strange things happens when techs on IXP perform
>> maintenance tasks such as software upgrade on their equipment.
>> If they need to reboot their switch our connection terminates on
>> our cat 4900m crashes.
>>
>> The physical port for this connection was replaced.
>> IOS was upgraded to cat4500e-entservicesk9-mz.122-54.SG1.bin.
>> Nothing changed.
>>
>> Last lines from log always the same:
>>
>> %LINEPROTO-5-UPDOWN: Line protocol on Interface TenGigabitEthernet1/5,
>> changed state to down
>> %LINK-3-UPDOWN: Interface Vlan95, changed state to down
>> %LINK-3-UPDOWN: Interface TenGigabitEthernet1/5, changed state to down
>> %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan95, changed state to dow
>>
>> Traceback always the same for corresponding IOS version
>>
>> Build: 12.2(54)SG1 ENTSERVICESK9
>> buildversion addr: 13D50E74
>>
>> Traceback: 11D21BA0 11D21CD0 11EF5EEC 11EF6958 11EF79F0 11EF7BE8 11EF7C30
>> 11D24514 10EFABD8 10E92950 10E96658 10E9BC20 10E9C128 10E9C1D8 10EB9210
>> 10EC5B34 10F09C50 10F05C08 10F06A78 10EC889C 10EC8A38 109A05C4 109975B4
>>
>> Build: 12.2(54)SG ENTSERVICESK9
>> buildversion addr: 13D4321C
>>
>> Traceback: 11D21684 11D217B4 11EF5188 11EF5BF4 11EF6C8C 11EF6E84 11EF6ECC
>> 11D23FF8 10EFAB28 10E928A0 10E965A8 10E9BB70 1
>> 0E9C078 10E9C128 10EB9160 10EC5A84 10F09BA0 10F05B58 10F069C8 10EC87EC
>> 10EC8988 109A0594 10997584
>>
>>
>> Several cat 4900m-s in another locations works fine with the same IOS
>> versions.
>>
>> Does anybody has similar problems with these switches?
>> Unfortunatelly we havn't smartnet for these switches and I can't open
>> TAC case. I have several crashinfo files and can send them to anybody
>> who can help.
>>
>> Thanks in advance!
>>
>> --
>>             Sincerely yours,
>>                              Artyom Viklenko.
>> -------------------------------------------------------
>> artem at aws-net.org.ua | http://www.aws-net.org.ua/~artem
>> artem at viklenko.net   | JID: artem at jabber.aws-net.org.ua
>> FreeBSD: The Power to Serve   -  http://www.freebsd.org
>> _______________________________________________
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-- 
            Sincerely yours,
                             Artyom Viklenko.
-------------------------------------------------------
artem at aws-net.org.ua | http://www.aws-net.org.ua/~artem
artem at viklenko.net   | ================================
FreeBSD: The Power to Serve   -  http://www.freebsd.org