Hello Everyone,
I'm working on developing an SNMPv3 based NMS software for a Licensed Band
cellular Radio Backhaul, using SNMP4J. My major concern in this project is to
do both, manager as well as the agent part.
Being a beginner, I'm facing problem with the installation of the software
itself.
I downloaded snmp4j-agentx-1.3.1a , currently working on Windows XP platform
and
trying to execute them over the simple command prompt of Windows (Will be
working over Eclipse IDE later).
Since there was no online help available regarding the installation steps of
this software, i tried n number of open forums which gave me the idea that
certain .jar files were to be executed. However, no matter what i tried, all I
got were Class Manifest errors. or, NoClassDef errors. This led to more
confusion, resulting in multiple copies of the extracted
snmp4j-agentx-1.3.1a folder at various locations. Also, is there a particular
sequence in which these files are to be compiled/executed.
I also made a simple test code that should make a PDU and sned it successfully.
Since i can't execute and check it, i 'm a bit doubtful about it too.
// checking for a simple request pdu and endinng it.
import java.io.IOException;
import java.util.List;
import org.snmp4j.CommunityTarget;
import org.snmp4j.scopedPDU;
import org.snmp4j.Snmp;
import org.snmp4j.event.ResponseEvent;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.smi.Address;
import org.snmp4j.smi.GenericAddress;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.OctetString;
import org.snmp4j.smi.VariableBinding;
import org.snmp4j.transport.DefaultUdpTransportMapping;
public class send
{
/**
* @param args
*/
public static void main(String[] args)
{
//To setup a default SNMP session for UDP transport
Address targetAddress = GenericAddress.parse("udp:127.0.0.1/161");
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();
// add user to the USM
snmp.getUSM().addUser(new OctetString("MD5DES"),
new UsmUser(new OctetString("MD5DES"),
AuthMD5.ID,
new
OctetString("MD5DESUserAuthPassword"),
PrivDES.ID,
new
OctetString("MD5DESUserPrivPassword")));
// create the target
UserTarget target = new UserTarget();
target.setAddress(targetAddress);
target.setRetries(1);
target.setTimeout(5000);
target.setVersion(SnmpConstants.version3);
target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
target.setSecurityName(new OctetString("MD5DES"));
// create the PDU
PDU pdu = new ScopedPDU();
pdu.add(new VariableBinding(new OID("1.3.6")));
pdu.setType(PDU.GETNEXT);
// send the PDU
ResponseEvent response = snmp.send(pdu, target);
if(response.getResponse()== NULL)
{
System.out.println("Request Timed out!!!");
exit();
}
// extract the response PDU (could be null if timed out)
PDU responsePDU = response.getResponse();
// extract the address used by the agent to send the response:
Address peerAddress = response.getPeerAddress();
}}
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