So there is a small apartment is on the second floor with the main router with a broadband account password dial-up Internet reoccupy switches for more than 20 rooms, each room well before will a router can get to the Internet, recently have signal but no network, I tried the 3 rooms, modify the MAC address of the machine to the Internet, but the network is slower than before, and it is some room can use some can't use, what's the problem

CodePudding user response:

This kind of network topology, you should have nothing to do with the MAC address, if your main by or by the following is a problem with the switch of the main road, or is there are too many users, the main switches with fixed by and under?

CodePudding user response:

Recommended for all room Internet client do the DHCP server in the main router, switch ports do isolation,

CodePudding user response:

Do you have a computer in the local area network (LAN), install a similar hacking tools, or, in the virus,
Heard of ARP attack? By sending ARP packets, disrupt the normal network data communication,