[SNMP4J] Network Discovery

[Frank Fock]

Hi James,

Most likely, you are using an UDP transport mapping.
Thus, you need a UdpAddress. For a TCP transport
you would had needed a TcpAddress.

Best regards,
Frank

On 25.08.2010 18:04, James Prickett wrote:
> I'm trying to programmatically turn off a port on a switch using the SNMP4J library and I'm stuck on the following error:
>
> org.snmp4j.transport.UnsupportedAddressClassException: Unsupported address class (transport mapping): org.snmp4j.smi.IpAddress
> 	at org.snmp4j.MessageDispatcherImpl.sendPdu(MessageDispatcherImpl.java:413)
> 	at org.snmp4j.Snmp.sendMessage(Snmp.java:1067)
> 	at org.snmp4j.Snmp.send(Snmp.java:895)
> 	at org.snmp4j.Snmp.send(Snmp.java:875)
> 	at org.snmp4j.Snmp.send(Snmp.java:840)
> 	at com.force3.snmp.SnmpExample.main(SnmpExample.java:51)
>
> I get the same exception using the TcpAddresss class as well.
>
> Anyone have a clue what I should be using to specify the address?
>
> Regards,
> James
>
>
>
>
>
>
> Code -->
>
> ---------------------------------------------------------
> package example;
>
> import java.io.IOException;
>
> import org.snmp4j.PDU;
> import org.snmp4j.ScopedPDU;
> import org.snmp4j.Snmp;
> import org.snmp4j.UserTarget;
> import org.snmp4j.event.ResponseEvent;
> import org.snmp4j.mp.SnmpConstants;
> import org.snmp4j.security.SecurityLevel;
> import org.snmp4j.smi.IpAddress;
> import org.snmp4j.smi.OID;
> import org.snmp4j.smi.OctetString;
> import org.snmp4j.smi.TcpAddress;
> import org.snmp4j.smi.UdpAddress;
> import org.snmp4j.smi.VariableBinding;
> import org.snmp4j.transport.DefaultUdpTransportMapping;
>
> /**
>   *
>   */
> 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);
> 		VariableBinding vb = new VariableBinding(new OID("1.3.6.1.2.1.2.2.1.7"), DOWN);
> 		pdu.add(vb);
>
> 		UserTarget target = new UserTarget();
> 		target.setAddress(new IpAddress("10.10.0.2"));
> 		target.setVersion(SnmpConstants.version3);
> 		target.setRetries(1);
> 		target.setTimeout(500);
> 		target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
> 		target.setSecurityName(new OctetString("MD5DES"));
>
> 		try {
> 			Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
> 			snmp.listen();
> 			ResponseEvent response = snmp.send(pdu, target);
> 			if (response.getResponse() != null) {
> 				System.out.println(response.getResponse().toString());
> 			}
> 		} catch (IOException e) {
> 			e.printStackTrace();
> 			System.exit(99);
> 		}
>
> 	}
>
> }
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