[SNMP4J] v2c agent

nidhin nidhingj at yahoo.com
Wed May 23 00:10:14 CEST 2007


Hi Frank,
   
  I used the snmp4j-agent-1.1.2.zip code to reproduce this issue.
   
  OID which i gave is 1.3.6.1.6.3.12.1.2.1.10
   
  Response from the test agent is
   
  ***** SNMP PROMPT FOR OID-RESPONSE START *****
  1: snmpTargetAddrEntry.10 (nosuchinstance) no such instance
  ***** SNMP PROMPT FOR OID-RESPONSE END *****
   
  Regards
  Nidhin
  

Frank Fock <fock at agentpp.com> wrote:
  Hi Nidhin,

When I run a GET request with that OID on the TestAgent
noSuchObject is returned. Can you provide an OID that
reproduces the problem with the TestAgent?

Thanks in advance,
Frank

nidhin wrote:
> Hi Frank,
> 
> Yes, the tested OID is indeed outside of any registered ManagedObject.
> 
> Regards
> Nidhin
> 
> */Frank Fock /* wrote:
> 
> Hi Nidhin,
> 
> The question is whether the tested OID is indeed outside
> of any registered ManagedObject of the agent or not?
> 
> Best regards,
> Frank
> 
> nidhin wrote:
> > Hi Frank,
> >
> > Following is the description of the test case.
> >
> > Description:
> > # This test checks the agents ability to process SNMP Get/Getnext
> > requests
> > # for non existent MIB variables. A get, getnext request is sent to
> > # the agent for a MIB variable that is not part of the group or
> table.
> > # A SNMPv1 agent is expected to return a lexicographically larger
> > variable
> > # for GetNext or NO_SUCH_NAME for Get requests. A SNMPv2C agent is
> > expected
> > # to return a lexicographically larger variable for GetNext or
> > noSuchObject
> > # value for Get requests.
> > #
> > # Example: The system group in MIBII has 7 attributes. A request is
> > # sent with system.8 which is one larger than the last attribute
> > # in that group. In the case of a tableEntry with 5 columns, a
> > # request will be sent for tableEntry.6
> > #
> > # Note: An SNMPv1 agent should return a NO_SUCH_NAME error (and a
> > SNMPv2C agent
> > # a endOfmib value) for a GetNext operation on the last variable
> > supported.
> > # While this may be flagged as an error, this is a valid
> > response, if the
> > # variable is indeed the last variable.
> >
> > ---------------------------------------------------------------
> >
> > So my agent returns me No such instance error instead of a
> noSuchObject
> > error if get request is sent to the agent for a MIB variable that
> is not
> > part of the group or table.
> >
> > Please reply if I have missed some point.
> >
> > Regards
> > Nidhin
> >
> >
> > */Frank Fock /* wrote:
> >
> > Hi Nidhin,
> >
> > Without knowing the agent's instrumentation it is hard to say
> > whether this is an error or not. I cannot reproduce such
> > a problem with my agent.
> >
> > Best regards,
> > Frank
> >
> > nidhin wrote:
> > > Hi,
> > >
> > > For the following test v2c agent fails to respond back with
> > proper error message.
> > >
> > > I have used v1.1.2 SNMP4j agent jars
> > >
> > > Test case:
> > >
> > > process SNMP Get/Getnext requests for non existent MIB variables.
> > >
> > > Result:
> > >
> > >
> >
> ############################################################################
> > > # Test Results: A response value contained an error type
> > > # (NoSuchInstance) other than NoSuchObject.
> > > # Test Rating: POOR
> > > # Message Exchange:
> > > #
> > > # (Mon May 21 14:09:20 2007):
> > > # Get Request: Version = SNMPv2c, Community = public
> > > # Request Id = 61, Error Status = No Error , Error Index = 0
> > > # Oid1 = 1.3.6.1.4.1.1456.20.2.38.6.1.6 , Type = NULL, Value = NULL
> > > #
> > > # (Mon May 21 14:09:20 2007):
> > > # Response: Version = SNMPv2c, Community = public
> > > # Request Id = 61, Error Status = No Error , Error Index = 0
> > > # Oid1 = 1.3.6.1.4.1.1456.20.2.38.6.1.6 , Type = NoSuchInstance,
> > Value = NULL
> > >
> >
> ############################################################################
> > >
> > > Regards
> > > Nidhin
> > >
> > >
> > > ---------------------------------
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