2017-03-13 94 views
2

我正在努力從過去的幾天發送SNMPV3陷阱使用身份驗證和專用短語。問題是:在我收到帶有Auth-Priv的第一個陷阱SNMPv3後,有時(約2分鐘)後我無法收到陷阱。接收者就像忽略了即將到來的每一個陷阱。第一次發送後無法接收SNMPv3陷阱幾次。 [snmp4j-Java]

這裏是我的代碼:

的Receiver.java

try { 
     // set udpAdress and transportMapping 
     final UdpAddress udpAddress = new UdpAddress(162); 
     final TransportMapping transportMapping = new   DefaultUdpTransportMapping(udpAddress); 

     // Protocole de sécurité +usm +snmp 
     this.snmp = new Snmp(new MessageDispatcherImpl(), transportMapping); 
     SecurityProtocols.getInstance().addDefaultProtocols(); 
     final USM usm = new USM(SecurityProtocols.getInstance(), 
      new OctetString(MPv3.createLocalEngineID(new OctetString())), 
      0); 
     SecurityProtocols.getInstance().addPrivacyProtocol(new PrivDES()); 
     usm.setEngineDiscoveryEnabled(true); 

     // Add the MPv 
     snmp.getMessageDispatcher().addMessageProcessingModel(new MPv1()); 
     snmp.getMessageDispatcher().addMessageProcessingModel(new MPv2c()); 
     snmp.getMessageDispatcher().addMessageProcessingModel(new MPv3(usm)); 

     // Security model 
     SecurityModels.getInstance().addSecurityModel(usm); 

     // Add user 
     snmp.getUSM().addUser(new OctetString("v3AuthSHAPrivDESSecName"), 
      new UsmUser(new OctetString("v3AuthSHAPrivDESSecName"), AuthMD5.ID, 
       new OctetString("v3AuthSHAPrivDESAuthPassword"), PrivDES.ID, 
       new OctetString("v3AuthSHAPrivDESPrivPassword"))); 

     // Launch of the listener 
     this.snmp.addCommandResponder(this); 
     snmp.listen();` 

的Sender.java

try { 
     // set udpAdress and transportMapping 
     Address targetAddress = GenericAddress.parse("udp:" + ipAddress + "/" + port); 
     TransportMapping transport = new DefaultUdpTransportMapping(); 
     Snmp snmp = new Snmp(transport); 

     // Protocole de sécurité +usm +snmp 
     SecurityProtocols.getInstance().addDefaultProtocols(); 
     final USM usm = new USM(SecurityProtocols.getInstance(), 
      new OctetString(MPv3.createLocalEngineID(new OctetString())), 
      0); 

     SecurityProtocols.getInstance().addPrivacyProtocol(new PrivDES()); 
     SecurityModels.getInstance().addSecurityModel(usm); 

     transport.listen(); 

     // Ajout d'un user avec les paramètres de sécurité 
     snmp.getUSM().addUser(new OctetString("v3AuthSHAPrivDESSecName"), 
      new UsmUser(new OctetString("v3AuthSHAPrivDESSecName"), AuthMD5.ID, 
       new OctetString("v3AuthSHAPrivDESAuthPassword"), PrivDES.ID, 
       new OctetString("v3AuthSHAPrivDESPrivPassword"))); 

     // Create Target 
     UserTarget target = new UserTarget(); 
     target.setAddress(targetAddress); 
     target.setRetries(1111); 
     target.setTimeout(11111500); 
     target.setVersion(SnmpConstants.version3); 
     target.setSecurityLevel(SecurityLevel.AUTH_PRIV); 
     target.setSecurityName(new OctetString("v3AuthSHAPrivDESSecName")); 

     // Create PDU 1 for V3 
     ScopedPDU pdu = new ScopedPDU(); 
     pdu.setType(PDU.TRAP); 
     pdu.add(new VariableBinding(SnmpConstants.sysUpTime)); 
     pdu.add(new VariableBinding(SnmpConstants.snmpTrapOID, SnmpConstants.linkDown)); 
     pdu.add(new VariableBinding(new OID(trapOid), new OctetString("V33333"))); 
     snmp.send(pdu, target); 

     System.out.println("Sending Trap to (IP:Port)=> " + ipAddress + ":" + port); 

     snmp.addCommandResponder(new CommandResponder() { 
      public void processPdu(CommandResponderEvent arg0) { 
       System.out.println(arg0); 
      } 
     }); 
     snmp.close(); 
  • 我使用的SNMP4J-1.1依賴。我不知道爲什麼它忽略了第一次發送後2分鐘左右出現的陷阱。

    非常感謝朋友們的幫助

+0

朋友你好,我添加一些編輯在我的問題,speciellay「斐伊川的朋友:)」,但它沒有把我的編輯X), 預先感謝您的幫助和想法,大起來 –

回答

0

我找到了答案! :D只需將依賴關係改爲snmp4j-2。*就可以了,現在我用了snmp4j-2.5.0。它的工作完美,如果你想使用它,上面的代碼工作完美。

有一個愉快的一天代碼:-)