from change frequency to get New IP yang 1 second
pero yung actual talaga na checking internet connection kung na dc, 2 seconds ang tolerant ko if download = 0, tapos another 2 seconds sa 2nd layer detection.. tapos pag return 1 means DC talaga, saka mag prompt yung disconnected sa putty,.
so 2+2+1=5 seconds .. pero yung change wan lang na function takes 1 second to reconnect