Lan messenger can't see people from a different subnet?

Question

Computer networks

There is a subnet roughly speaking 192.168.0.0/24 and all computers with this messenger work ok, there is a router in this subnet that distributes addresses under dhcp and one computer is connected to it that does not have 192.168.31.0/24, the problem is that broadcast addresses for two subnets are the same, but they do not see each other, help! Wrong not wide. and multicast does not go from lan to wan and back 239.255.100.100

Answer 1

Broadcast requests are not routable. If there is a router between the networks, it most likely does not allow broadcast requests by default.

Answer 2

How can they be the same if the ranges don't overlap? Make 192.168.0.0/23 for example.

Answer 3

network addresses and masks to the studio, otherwise with that "one computer" I did not understand from your question what subnet it has.
this same Lan messenger in different subnets does not work in principle, if that. if you want to continue using it, make one subnet.

Answer 4

If the network structure is chosen in such a way, just to have wi fi, then it is better to use the advice of comrade szelga , and if for other reasons (guest network, etc.), you will have to experiment: the messenger can work as a broadcaster, and the router will definitely kill, or maybe multicast, and you need to look for articles on IGMP snooping for your router. It doesn’t take long to set up, but the explanation will take up a sheet of text, I’d better give an example for cisco with hguru

Answer 5

Peer-to-peer chats without a server are not good. You will constantly encounter routing problems, visibility of people and lack of at least some administration. Google a comparison between mychat and lan messenger.