securityModel.setValue(SecurityModel.SECURITY_MODEL_SNMPv1);
messageProcessingModel.setValue(ID);
PDUv1 v1PDU = new PDUv1();
pdu.setPdu(v1PDU);
v1PDU.decodeBER(wholeMsg);
BER.checkSequenceLength(length, (int)wholeMsg.getPosition() - startPos,
v1PDU);
sendPduHandle.setTransactionID(v1PDU.getRequestID().getValue());