What happens if two computers have the same hostname?
Question 1: Yes it is possible for multiple devices to have the same hostname on a network, you can simply change the name of any two computers on a network and they will share the same hostname.
What does it mean when another computer is using your IP address?
Every device has to have a unique private IP address on the local network, and if you’ve manually configured your hardware’s network settings to use a specific number, it’s possible you’re seeing the “Another device is using your IP address” alert because the DHCP/NAT combination has assigned out an address you set by …
Can a computer have multiple host names?
Computers are no exception. A computer can have multiple names, typically because these names used in different contexts. Under most operating systems, including all Unix variants (Linux, macOS, etc.) and Windows, there is one name that is known as the hostname, which is what the hostname command displays.
Is it possible for different people to have the same public IP address?
As I understand it, two computers cannot have the same public (external) IP address unless they are connected via the same router. If they are connected via the same router, then they can have (share) the same public IP address yet have different private (local) IP addresses.
Why are two computers on the same WiFi network the same?
The Answer. Ultimately, the computers seeing your traffic see the external IP address from your modem and not your physical computers internal IP address. More data is sent containing MAC addresses and things like that, but essentially one public IP address can represent an entire network of devices behind it.
Can a device have more than one NAT address?
Other network services are also typically offered, like DHCP (dynamic host control protocol) to give out the private IP addresses to devices that connect to the local network. Having more than one device performing NAT on a private network, however, can cause issues with that network. Some users may never notice, making it a non-issue for them.
How does an ISP assign an IP address to a modem?
This way only one public IP address is needed for all of your devices to talk to the Internet. On the Internet side of the modem, you have an IP address assigned by your ISP which is the one Whatismyip.com shows you. This is put ‘on’ the interface of your modem which is attached to your cable/DSL/T1 line.