@est3ban129 okay, have you tried?

@est3ban129 try and do a roll-back https://community.tp-link.com/en/business/forum/topic/824620

DerTom wrote @MR.S Funny thing... seeing my settings I changed it to 'static', added the values and that did it. Is it a bug that dhcp isn't working? @DerTom ok , didn't see that, it worked with...

@DerTom Try and set satic ip on controller,

@DerTom another thing, what router and switcher do you have? OC300 is a network controller to manage omada routers and switches, access points. it doesn't have any of this built in

@DerTom I don't have an OC300 myself but look in global settings and one of the menus you have available there. system settings or controller settings maybe.