When I first got the Home Hub 5 (Type B) I found it was rebooting atleast 2 times a day so then I went back to my old modem and router. But I found out for me anyway by using a shorter DSL cable such as the one that comes with the OR modems it doesn't reboot, the one that BT supply with the Home Hub is ridiculously long and I'm wondering if that picks up interference in certain environments and causes the Hub to reboot? So far mine has not rebooted and has been very stable. If any of you don't have a shorter DSL cable I would recommend, when comes in stock the Tandy 0.5M DSL cable 