[SNMP4J] Unknown engine ID

[Marcel Bassuener]

I change it to an static value, but I get the same error message:

OctetString localEngineID = new OctetString("80:00:13:70:01:c0:a8:0b:05");

Am 27.11.2010 23:50, schrieb Frank Fock:
> Hi Marcel,
>
> You need to choose a different engine ID
> as the agent, that's all.
>
> Best regards,
> Frank
>
> On 27.11.2010 22:57, Marcel Bassuener wrote:
>> Hi,
>> I have a problem. I wrote an SNMP Agent, which works (I tested it with
>> an other programm).  But now I tried to write my own manager and send
>> messages. Every time I start it the agent says: (Unknown engine ID)
>>
>> 3283585 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.transport.DefaultUdpTransportMapping  - Received message from
>> /127.0.0.1/63167 with length 61:
>> 30:3b:02:01:03:30:11:02:04:05:e4:af:d7:02:03:00:ff:ff:04:01:04:02:01:03:04:10:30:0e:04:00:02:01:00:02:01:00:04:00:04:00:04:00:30:11:04:00:04:00:a0:0b:02:01:00:02:01:00:02:01:00:30:00
>> 3283585 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.mp.MPv3  - SNMPv3 header decoded: msgId=98873303,
>> msgMaxSize=65535, msgFlags=04, secModel=3
>> 3283585 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.security.USM  - RFC3414 §3.2.3 Unknown engine ID:
>> 3283586 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.mp.MPv3  - Adding cache entry:
>> StateReference[msgID=98873303,pduHandle=PduHandle[1990949864],securityEngineID=,securityModel=org.snmp4j.security.USM at c5c3ac,securityName=,securityLevel=1,contextEngineID=,contextName=]
>> 3283587 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.mp.MPv3  - Removed cache entry:
>> StateReference[msgID=98873303,pduHandle=PduHandle[1990949864],securityEngineID=,securityModel=org.snmp4j.security.USM at c5c3ac,securityName=,securityLevel=1,contextEngineID=,contextName=]
>> 3283587 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.security.USM  - RFC3414 §3.1.4.b Outgoing message is not
>> encrypted
>> 3283587 [DefaultUDPTransportMapping_127.0.0.1/161] DEBUG
>> org.snmp4j.transport.DefaultUdpTransportMapping  - Sending message to
>> 127.0.0.1/63167 with length 87:
>> 30:55:02:01:03:30:11:02:04:05:e4:af:d7:02:03:00:ff:ff:04:01:00:02:01:03:04:19:30:17:04:09:80:00:13:70:01:c0:a8:0b:02:02:01:00:02:01:00:04:00:04:00:04:00:30:22:04:00:04:00:a8:1c:02:01:00:02:01:00:02:01:00:30:11:30:0f:06:0a:2b:06:01:06:03:0f:01:01:04:00:41:01:22
>> 3283587 [DefaultUDPTransportMapping_127.0.0.1/161] WARN
>> org.snmp4j.MessageDispatcherImpl  - 1.3.6.1.6.3.15.1.1.4.0 = 34
>>
>>
>> Here my code:
>>
>> Snmp snmp =  new Snmp(new DefaultUdpTransportMapping());
>>
>>            OctetString localEngineID = new
>> OctetString(MPv3.createLocalEngineID());
>>
>>            ((MPv3)snmp.getMessageProcessingModel(MPv3.ID)).
>>                setLocalEngineID(localEngineID.getValue());
>>
>>            USM usm = new USM(SecurityProtocols.getInstance(),
>>                                localEngineID,
>>                                0);
>>              SecurityModels.getInstance().addSecurityModel(usm);
>>              snmp.getUSM().addUser(new OctetString("SHADES"),new
>> UsmUser(new OctetString("SHADES"),
>>                      AuthSHA.ID,
>>                      new OctetString("SHADESAuthPassword"),
>>                      PrivDES.ID,
>>                      new OctetString("SHADESPrivPassword")));
>>
>>            UserTarget target = new UserTarget();
>>            target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
>>            target.setSecurityName(new OctetString("SHADES"));
>>            target.setVersion(SnmpConstants.version3);
>>            target.setAddress(new UdpAddress("127.0.0.1/161"));
>>            target.setRetries(1);
>>            target.setTimeout(500);
>> //        target.setMaxSizeRequestPDU(maxSizeResponsePDU);
>>            snmp.listen();
>>
>>            ScopedPDU request = new ScopedPDU();
>>            request.setType(PDU.GET);//createPDU(target);
>>            if (request.getType() == PDU.GETBULK) {
>>              request.setMaxRepetitions(50);
>>              request.setNonRepeaters(1);
>>            }
>>            request.add(new VariableBinding(new OID("0.1.0")));
>>
>>            PDU response = null;
>>              ResponseEvent responseEvent;
>>              long startTime = System.currentTimeMillis();
>>              responseEvent = snmp.send(request, target);
>>              if (responseEvent != null) {
>>                response = responseEvent.getResponse();
>>                System.out.println("Received response after "+
>>                                   (System.currentTimeMillis()-startTime)+"
>> millis"+response.getVariableBindings());
>>            }
>>            snmp.close();
>>
>> Please help me!!
>>
>> Thanks and Best regards
>> Marshall
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