Why can't the access switch get IP?

If you are sure that the switch is not faulty.

I can basically confirm that someone else's router has been set up, and I guess he set it up, too. He set the router to allow only one mac address to pass through the interface connecting your home.

In this way, you can surf the Internet on any computer.

However, after the switches are connected, each switch interface actually has a mac address. The router first sees the mac address of your switch, and then accesses the Internet in turn. After that, the router can't learn the mac address on your computer network card. In this way, neither of your computers is actually authorized to surf the Internet.

As for the manual ip you mentioned, you can "connect", but you can't explain the problem when you see the local connection lit up.

If you can access his router, it can be changed. But I think since the router has restricted you, you won't know his password.

So I suggest you discuss it with the owner of the route.

It is assumed that the settings on the router have not changed. It's not usually like this.

In this case, we must first locate the problem. I suggest you change your computer and switch it on and off separately.

We'll know what the problem is.

But in this case, can you directly write the ip address? Relatively more direct and simple.

It may become 10mb, because the switch interface you access is 10mb. Or the network cable you use when connecting is 10mb. In this case, it is likely that someone has set up a router, so that only one computer can access the Internet at the interface connecting your home.

You can try, 1, and connect two computers separately when the switch is not connected to see which one or two can be connected.

2. In the case of switching, connect two computers separately to see which one can be connected, or neither.