ct=getConnectionTable(reaper_interval,conn_expire_time,bind_addr,start_port);
ct=getConnectionTable(reaper_interval,conn_expire_time,bind_addr,external_addr,start_port,end_port);
    public void start() throws Exception {        ct=getConnectionTable(reaper_interval,conn_expire_time,bind_addr,start_port);        ct.addConnectionListener(this);        ct.setReceiveBufferSize(recv_buf_size);        ct.setSendBufferSize(send_buf_size);        local_addr=ct.getLocalAddress();        if(additional_data != null && local_addr instanceof IpAddress)            ((IpAddress)local_addr).setAdditionalData(additional_data);        passUp(new Event(Event.SET_LOCAL_ADDRESS, local_addr));    }