[SNMP4J] usmStatsNotInTimeWindows discovery failure causing request timeout (rev 1.10.2)

[Frank Fock]

Hi,

This sounds as if there are two agents using the same
engine ID.

Best regards,
Frank

Am 07.03.2012 12:53, schrieb Saravanan M:
> Hi All,
>
> We have been using SNMP4J (version 1.10.2) in our EMS application to
> communicate with the network elements(Agent) we manage.
>
> On one specific setup the behavior is bit weird and we could not conculde
> where exactly the issue is.
>
> As we know the first contact to Agent from SNMP4J(Manager) discovers
> the EngineTime
> , EngineId, EngineBoots, and the values we got were 96966, xxxxx, 11.
> And the communication between the SNMP4J(Manager) and Agent goes like below
>
> SNMP4J =>  Agent  (SNMP GET with EngineTime 96966 , EngineBoots 11) -ok
> Agent  =>  SNMP4J (Response received from NE) - ok
> SNMP4J =>  Agent  (reports usmStatsNotInTimeWindows (Could be due to delayed
> response, reason not known)) (Problem starts here)
>
> SNMP4J =>  Agent  1st Retry ( EngineTime 39017 , EngineBoots 16. Which is
> different from the one NE maintians) - Should not be.
> Agent  =>  SNMP4J (reports usmStatsNotInTimeWindows (Due to mismatch of
> EngineTime
>    and EngineBoots )) - expected.
>
> SNMP4J =>  Agent  2nd Retry ( EngineTime 39078 , EngineBoots 16 =>  Which is
> different from the one NE maintains) - - Should not be.
> Agent  =>  SNMP4J (reports usmStatsNotInTimeWindows (Due to mismatch of
>   EngineTime
>    and EngineBoots)) - expected.
>
> SNMP4J =>  Agent  3rd Retry ( EngineTime 39198, EngineBoots 16 =>  Which is
> different from the one NE maintians) - - Should not be.
> Agent  =>  SNMP4J (reports usmStatsNotInTimeWindows (Due to mismatch of
>   EngineTime
>    and EngineBoots)) - expected.
>
> Any further requests from SNMP4J never sent with correct EngineBoots and
> EngineTime(Which Agent currently maintains).
>
> Even though Agent reports usmStatsNotInTimeWindows error, SNMP4J does not
> update the EngineTime and EngineBoots for further requests. results in
> request timedout.
>
>
> Any help would be greatly appreciated.

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