Hi, I had also the same problem, i had uses the the same methodology, but when i change the TRAP_ADRESS to 0.0.0.0/162, the it starts receiving TRAPS.
try this may this will help you. Thanks & Regards Jaikar Gupta On Tue, Aug 17, 2010 at 2:06 PM, Tsiyona <[email protected]> wrote: > Hello, > > I am trying to write a simple snmp manager that listens to traps on port > 162 > and processes them. This manager will only handle traps, and does not need > to send commands to agents. > > Attached is the code I wrote. It is straightforward, but it does not work - > I do not get any snmp traps. > I make sure that the snmp agent really constantly generates traps, by using > a network sniffer, so my > problem is not lack of traps on the agent side. I am probably doing > something wrong. > > Can anyone please help me? > > Thanks, > Tsiyona > > > > --------------------------------------------------------------------------------- > My code: > > --------------------------------------------------------------------------------- > > package snmpmanager; > > import java.io.IOException; > > import org.snmp4j.CommandResponder; > import org.snmp4j.CommandResponderEvent; > import org.snmp4j.PDU; > import org.snmp4j.Snmp; > import org.snmp4j.TransportMapping; > import org.snmp4j.smi.UdpAddress; > import org.snmp4j.transport.DefaultUdpTransportMapping; > import org.snmp4j.transport.TransportMappings; > > /** > * A Simple Trap receiver using snmp4j. > */ > public class SnmpClient > { > > public static final String TRAP_ADDRESS = "127.0.0.1/162"; //"udp: > 127.0.0.1/162"; > private TransportMapping transport; > private String listeningAddress; > private Snmp snmp; > > public SnmpClient(String address) > { > this.listeningAddress = address; > try { > start(); > } catch (IOException e) { > e.printStackTrace(); > throw new RuntimeException(e); > } > } > > private void start() throws IOException > { > UdpAddress udpAddress = new UdpAddress(this.listeningAddress); > transport = new DefaultUdpTransportMapping(udpAddress); > snmp = new Snmp(transport); > transport.listen(); > CommandResponder pduHandler = new CommandResponder() { > public synchronized void processPdu(CommandResponderEvent e) { > PDU pdu = e.getPDU(); > if (pdu != null) { > System.out.println(pdu); > } > } > }; > snmp.addCommandResponder(pduHandler); > } > public void stop() throws IOException > { > snmp.close(); > } > > public static void main(String[] args) > { > SnmpClient client = new SnmpClient(TRAP_ADDRESS); > System.out.println("Listening for traps on address " + TRAP_ADDRESS); > } > } > > _______________________________________________ > SNMP4J mailing list > [email protected] > http://lists.agentpp.org/mailman/listinfo/snmp4j > > _______________________________________________ SNMP4J mailing list [email protected] http://lists.agentpp.org/mailman/listinfo/snmp4j
