Hi, I am trying to simulate an SNMPv3 agent on Centos using snmp4j version 1.11.2 (java 1.6). The code mailed in the previous conversation listens for snmprequests. In that code i generate engineID using (MPv3)snmp. getMessageProcessingModel(MessageProcessingModel.MPv3)).getLocalEngineID().
Snmprequest is issued using net-snmp command snmpget -v 3 -n "" -u "MD5DES" -a MD5 -A "MD5DESUserAuthPassword" -x DES -X "MD5DESUserPrivPassword" -l authPriv udp6:[2607:f0d0:1002:11::6]:161 1.3.6.1.2.1.1.1.0 Thanks Siva On Fri, Jan 10, 2014 at 3:53 AM, Frank Fock <[email protected]> wrote: > Hi, > > Could you please explain what you are trying to accomplish? > What process sends which message to what entity? > Which software products and versions are involved? > What are the engine IDs of command generator and responder? > > Best regards, > Frank > > Am 09.01.2014 10:19, schrieb siva kumar: > > Hi, >> >> I tried creating an SNMP agent >> >> The following is the listener code >> >> Snmp snmp = new Snmp( new MessageDispatcherImpl() ); >> // Add message processing models to be supported >> snmp.getMessageDispatcher().addMessageProcessingModel( new >> MPv1() ); >> snmp.getMessageDispatcher().addMessageProcessingModel( new >> MPv2c() ); >> snmp.getMessageDispatcher().addMessageProcessingModel( new >> MPv3() ); >> engineId = new >> OctetString(((MPv3)snmp.getMessageProcessingModel( >> MessageProcessingModel.MPv3) >> ).getLocalEngineID()); >> USM usm = new USM(SecurityProtocols.getInstance(), engineId >> , >> 0); >> SecurityModels.getInstance().addSecurityModel(usm); >> SecurityProtocols.getInstance().addDefaultProtocols(); >> snmp.addTransportMapping( transport ); >> snmp.addCommandResponder( subAgent ); >> UsmUser user = new UsmUser(new OctetString("MD5DES"),AuthMD5. >> ID, >> new >> OctetString("MD5DESUserAuthPassword"), >> PrivDES.ID, >> new >> OctetString("MD5DESUserPrivPassword")); >> snmp.getUSM().addUser(new OctetString("MD5DES"), user); >> subAgent.setSnmp( snmp ); >> >> if( ! transport.isListening() ) >> transport.listen(); >> >> Send code >> >> ScopedPDU pdu3 = new ScopedPDU(); >> pdu3.setType(PDU.GET); >> pdu3.setMaxRepetitions(50); >> // Get ifNumber only once >> pdu3.setNonRepeaters(1); >> // set context non-default context (default context does not need >> to be set) >> pdu3.setContextName(new OctetString("contextA")); >> pdu3.setContextEngineID(new >> OctetString(((MPv3)snmp.getMessageProcessingModel( >> MessageProcessingModel.MPv3)).getLocalEngineID())); >> // Added a few varbinds >> >> UserTarget target = new UserTarget(); >> target.setAddress(targetq.getAddress()); >> target.setRetries(1); >> target.setTimeout(5000); >> target.setVersion(SnmpConstants.version3); >> target.setSecurityLevel(SecurityLevel.AUTH_PRIV); >> target.setSecurityName(new OctetString("MD5DES")); >> >> snmp.send(pdu3, target ); >> >> >> When i enabled trace on snmp4j i got the following information >> >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) SNMPv3 header decoded: >> msgId=121143980, msgMaxSize=65487, msgFlags=04, secModel=3 >> [org.snmp4j.security.USM] (pool-8-thread-1) RFC3414 §3.2.3 Unknown engine >> ID: >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) Adding cache entry: >> StateReference[msgID=121143980,pduHandle=PduHandle[ >> 507258884],securityEngineID=,securityModel=org.snmp4j. >> security.USM@3fe2670b >> ,securityName=,securityLevel=1,contextEngineID=,contextName=] >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) Removed cache entry: >> StateReference[msgID=121143980,pduHandle=PduHandle[ >> 507258884],securityEngineID=,securityModel=org.snmp4j. >> security.USM@3fe2670b >> ,securityName=,securityLevel=1,contextEngineID=,contextName=] >> [org.snmp4j.security.USM] (pool-8-thread-1) RFC3414 §3.1.4.b Outgoing >> message is not encrypted >> [org.snmp4j.MessageDispatcherImpl] (pool-8-thread-1) >> 1.3.6.1.6.3.15.1.1.4.0 >> = 0 >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) SNMPv3 header decoded: >> msgId=121143979, msgMaxSize=65487, msgFlags=07, secModel=3 >> [org.snmp4j.security.USM] (pool-8-thread-1) >> getUser(engineID=80:00:13:70:01:ac:1f:00:6f, securityName=MD5DES) >> [org.snmp4j.security.UsmTimeTable] (pool-8-thread-1) CheckTime: time ok >> (authorative) >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) RFC3412 §7.2.10 - Received PDU is >> NOT a response or internal class message -> unchanged PduHandle = >> PduHandle[756210224] >> [org.snmp4j.mp.MPv3] (pool-8-thread-1) Adding cache entry: >> StateReference[msgID=121143979,pduHandle=PduHandle[ >> 756210224],securityEngineID=80:00:13:70:01:ac:1f:00:6f, >> securityModel=org.snmp4j.security.USM@3fe2670b >> ,securityName=MD5DES,securityLevel=3,contextEngineID=80:00:13:70: >> 01:ac:1f:00:6f,contextName=] >> [org.snmp4j.Snmp] (pool-8-thread-1) Fire process PDU event: >> CommandResponderEvent[transportMapping=ExtendedUdpTransportMapping[ >> 2607:f0d0:1002:11:0:0:0:6/161]peerAddress=2607:f0d0:1002:11: >> 0:0:0:6/51547, >> processed=false, pdu=[GET[reqestID=756210224, errorStatus=0, errorIndex=0, >> VBS[1.3.6.1.2.1.1.1.0 = Null]]], securityName=MD5DES, securityModel=3, >> securityLevel=3] >> [centina.tools.simulation.snmp.agent.SnmpSubAgent] (pool-8-thread-1) >> SUB-AGENT: 2607:f0d0:1002:11:0:0:0:6/161:: Received event >> L:2607:f0d0:1002:11:0:0:0:6/161; P:2607:f0d0:1002:11:0:0:0:6/51547; >> PDU:GET[reqestID=756210224, errorStatus=0, errorIndex=0, >> VBS[1.3.6.1.2.1.1.1.0 = Null]];A:2607:f0d0:1002:11:0:0:0:6/51547; >> [centina.tools.simulation.snmp.agent.SnmpSubAgent] (pool-4-thread-7) >> Response RESPONSE[reqestID=756210224, errorStatus=0, errorIndex=0, >> VBS[1.3.6.1.2.1.1.1.0 = ExtremeXOS version 12.3.1.2 v1231b2 by >> release-manager on Thu Jun 18 21:56:40 PDT 2009]] >> [centina.tools.simulation.snmp.agent.SnmpMasterAgent] (pool-4-thread-7) >> SUB-AGENT: Executed Request in 2 ms >> [centina.tools.simulation.snmp.agent.SnmpMasterAgent] (pool-5-thread-7) >> EngineId 80:00:13:70:01:ac:1f:00:6f >> [centina.tools.simulation.snmp.agent.SnmpMasterAgent] (pool-5-thread-7) >> @@Resp 80:00:13:70:01:ac:1f:00:6f - GETBULK[reqestID=0, >> errorStatus=1, errorIndex=50, VBS[1.3.6.1.2.1.1.1.0 = ExtremeXOS version >> 12.3.1.2 v1231b2 by release-manager on Thu Jun 18 21:56:40 PDT 2009]] >> [org.snmp4j.security.USM] (pool-5-thread-7) RFC3414 §3.1.4.b Outgoing >> message is not encrypted >> [org.snmp4j.mp.MPv3] (pool-5-thread-7) Adding cache entry: >> StateReference[msgID=1588426278,pduHandle=PduHandle[507258886], >> securityEngineID=,securityModel=org.snmp4j.security.USM@3fe2670b >> ,securityName=MD5DES,securityLevel=1,contextEngineID=80:00:13:70: >> 01:ac:1f:00:6f,contextName=contextA] >> [org.snmp4j.Snmp] (pool-5-thread-7) Running pending sync request with >> handle PduHandle[507258886] and retry count left 1 >> [org.snmp4j.security.USM] (Timer-0) RFC3414 §3.1.4.b Outgoing message is >> not encrypted >> [org.snmp4j.mp.MPv3] (Timer-0) Adding cache entry: >> StateReference[msgID=1588426279,pduHandle=PduHandle[507258886], >> securityEngineID=,securityModel=org.snmp4j.security.USM@3fe2670b >> ,securityName=MD5DES,securityLevel=1,contextEngineID=80:00:13:70: >> 01:ac:1f:00:6f,contextName=contextA] >> [org.snmp4j.Snmp] (Timer-0) Running pending sync request with handle >> PduHandle[507258886] and retry count left 0 >> [org.snmp4j.Snmp] (Timer-0) Request timed out: 507258886 >> [org.snmp4j.Snmp] (pool-5-thread-7) Removed pending request with handle: >> PduHandle[507258886] >> [centina.tools.simulation.snmp.agent.SnmpMasterAgent] (pool-5-thread-7) >> SUB-AGENT: TIMEOUT: Time taken 10003 ms greater than 2000 ms >> [centina.tools.simulation.snmp.ProfileManager] (Profile Timer) Scanning >> for >> and deploying any profile changes >> [centina.tools.simulation.snmp.ProfileManager] (Profile Timer) >> Descriptors: >> [extreme-summit-x450] >> >> >> I get a >> Timeout: No Response from udp6:[2607:f0d0:1002:11::6]:161 >> >> when i perform a snmpget. Could someone please help me with this? >> >> > -- > --- > AGENT++ > Maximilian-Kolbe-Str. 10 > 73257 Koengen, Germany > https://agentpp.com > Phone: +49 7024 8688230 > Fax: +49 7024 8688231 > > _______________________________________________ > SNMP4J mailing list > [email protected] > https://s16675406.onlinehome-server.info/mailman/listinfo/snmp4j > -- Regards Siva _______________________________________________ SNMP4J mailing list [email protected] https://s16675406.onlinehome-server.info/mailman/listinfo/snmp4j
