How is a dhcp server discovered on the network?

Question

Computer networks

I have a Huawei HG8245 router. He has problems with assigning ip addresses. I don’t know how this happens, but I regularly find conflicts (the same addresses, say, on the employee’s PC, and the smartphone of the person who just entered the building). The router cannot be reflashed because it is a provider, and they even take it with them when the contract is terminated. What is the point: if I raise a dhcp server on the server, then how to make devices start working with it? Just disable it on the router? Or somehow organize their work? (well, so as not to get up twice what to read so as not to ask such questions in the future)

Answer 1

Bugs with DHCP are quite popular on this router model and are often solved just by flashing. You can contact your provider with a request to set up a DCHP relay on it, since you yourself cannot flash it, even if they flash it (there is a function in it, but I can’t vouch for its correct performance) so that you have another DHCP server on your network , which will already distribute the necessary IP addresses.
Or you can change the router to any other, for example, from the Mikrotik line, in which these bugs are absent.

Answer 2

Apparently you already have 2 DHCP servers in your network, conflicts are obtained by the fact that in one case one server manages to give the address first, and in the other - another. You just need to turn off one of the DHCP.

Answer 3

https://ru.wikipedia.org/wiki/DHCP