[SNMP4J] No Errors but no results either?
James Prickett
jprickett at force3.com
Wed Aug 25 22:18:41 CEST 2010
Sounds good. I can do that. Where in the API is this REPORT represented? Is there an example somewhere in the Javadoc?
Regards,
James
-----Original Message-----
From: snmp4j-bounces at agentpp.org [mailto:snmp4j-bounces at agentpp.org] On Behalf Of Frank Fock
Sent: Wednesday, August 25, 2010 4:12 PM
To: snmp4j at agentpp.org
Subject: Re: [SNMP4J] No Errors but no results either?
James,
You get an REPORT which indicates the error.
See the SNMPv3 standard for more details.
Best regards,
Frank
On 25.08.2010 22:08, James Prickett wrote:
> When I run my code below, this is what I get in the response.getResponse() string:
>
> <snip>
> REPORT[reqestID=1745013846, errorStatus=0, errorIndex=0, VBS[1.3.6.1.6.3.15.1.1.3.0 = 23]]
> </snip>
>
> Note that the number 23 is incremented and requested changes with each subsequent execution of the code
>
> So my problem is this: I don't get an error back in the response, yet I don't see anything happening on my switch either (it should be turning off port Gi0/8))
>
> I would be most grateful to whomever can take a look at my code and tell me what I'm doing wrong! :)
>
> Regards,
> James
>
>
>
>
>
> CODE
> ----------------
> package example;
>
> import java.io.IOException;
>
> import org.snmp4j.PDU;
> import org.snmp4j.ScopedPDU;
> import org.snmp4j.Snmp;
> import org.snmp4j.TransportMapping;
> import org.snmp4j.UserTarget;
> import org.snmp4j.event.ResponseEvent;
> import org.snmp4j.mp.MPv3;
> import org.snmp4j.mp.MessageProcessingModel;
> import org.snmp4j.mp.SnmpConstants;
> import org.snmp4j.security.AuthMD5;
> import org.snmp4j.security.PrivDES;
> import org.snmp4j.security.SecurityLevel;
> import org.snmp4j.security.SecurityModel;
> import org.snmp4j.security.SecurityModels;
> import org.snmp4j.security.SecurityProtocols;
> import org.snmp4j.security.USM;
> import org.snmp4j.security.UsmUser;
> import org.snmp4j.smi.Address;
> import org.snmp4j.smi.GenericAddress;
> import org.snmp4j.smi.OID;
> import org.snmp4j.smi.OctetString;
> import org.snmp4j.smi.UdpAddress;
> import org.snmp4j.smi.VariableBinding;
> import org.snmp4j.transport.DefaultUdpTransportMapping;
>
> /**
> * @author James Prickett
> *
> */
> public class SnmpExample {
>
> // private static final OctetString UP = new OctetString("1");
> private static final OctetString DOWN = new OctetString("2");
>
> /**
> * @param args
> * The command-line arguments
> */
> public static void main(String[] args) {
>
> PDU pdu = new ScopedPDU();
> pdu.setType(PDU.SET);
> pdu.add(new VariableBinding(new OID("1.3.6.1.2.1.2.2.1.7"), new OctetString("Gi0/8")));
> pdu.add(new VariableBinding(new OID("1.3.6.1.2.1.2.2.1.7"), DOWN));
>
> UserTarget target = new UserTarget();
> target.setAddress(new UdpAddress("10.10.0.2/16"));
> target.setVersion(SnmpConstants.version3);
> target.setRetries(1);
> target.setTimeout(500);
> target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV);
> target.setSecurityName(new OctetString("MD5DES"));
> target.setSecurityModel(SecurityModel.SECURITY_MODEL_USM);
>
> try {
> Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
> snmp.listen();
> TransportMapping transport = new DefaultUdpTransportMapping();
> snmp = new Snmp(transport);
> USM usm = new USM(SecurityProtocols.getInstance(),
> new OctetString(MPv3.createLocalEngineID()), 0);
> SecurityModels.getInstance().addSecurityModel(usm);
> transport.listen();
>
> snmp.getUSM().addUser(new OctetString("MD5DES"),
> new UsmUser(new OctetString("MD5DES"),
> AuthMD5.ID,
> new OctetString("MD5DESUserAuthPassword"),
> PrivDES.ID,
> new OctetString("MD5DESUserPrivPassword")));
>
> ResponseEvent response = snmp.send(pdu, target);
> if (response.getResponse() != null) {
> System.out.println(response.getResponse().toString());
> } else {
> System.out.println(response.getError().getMessage());
> }
> } catch (IOException e) {
> e.printStackTrace();
> System.exit(99);
> }
>
> }
>
> }
>
>
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