Hi. On Wed, Dec 15, 2021 at 04:37:19PM +0100, Tuxo wrote: > Can I configure dhclient on my router to discard lease offers from a certain subnet? I could also try to match the lease time, the 192.168.100/24 lease time > is only several seconds (!!) short, the real one will be 4 hours or more and come with a valid WAN subnet mask. Try adding "reject 192.168.100/24;" into your router's dhclient.conf. Also, dhclient.conf(5). Reco