Good time of the day, lina. Thank You for Your time and answer. You wrote: > I changed to another cable from another port, > > old IP: 172.21.51.36 > > new one: 172.21.51.38 > > The new one works magic, > old one sometimes works, sometimes not. especially when I was back > coming 1 or 2 hours absence. > > Now change the old cable (with different plugin port) back. the ip > still keep the new one, 172.21.51.38. How do You get the address? Sthu.