I'm having a problem with my Fios-G1100 router. It seems to be intermittently blocking internet traffic for devices. I've read that routers can sometimes get into a bad state and have to be factory reset. I'd like to avoid doing this if possible. I am in a state now where a given device is seeing this problem 100% of the time. So I figured I would try deleting it, and trying to get it re-added but with a different IP address. However the router keeps giving it the same IP, even after rebooting the router. Is there any way to force a device to be completely deleted from the router's data, such that it gets a new IP and all, without having to do a factory reset of the router?