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Kipalot's avatar
Kipalot
Follower
Jun 17, 2021

IP Addresses

Hello! I am wondering if the IP Address displayed on my Nighthawk app is supposed to be the same as the IP Address on my desktop computer?

 

My desktop computer IP address is: xxx.xxx.1.5

and the IP address on the Nighthawk app is: xxx.xxx.1.1

 

All are the same numbers except for the last two. Is that okay? Will it cause problems?

 

 

Thanks in advance!

1 Reply

  • antinode's avatar
    antinode
    Guru
    Jun 17, 2021

    > My desktop computer IP address is: xxx.xxx.1.5

     

       Ok.


    > and the IP address on the Nighthawk app is: xxx.xxx.1.1


       Which is the IP address of what?

     

       "192.168.1.1" and "192.168.1.5"?  Different devices on a LAN _must_
    have different IP addresses.

     

    > [...] Will it cause problems?

     

       You'd have problems if they were the same.

     

       Strictly speaking, a computer (or similar device) does not have an IP
    address; a network _interface_ has an IP address.  If a computer/device
    has only one network interface, then you can get sloppy, and associate
    the address with the computer/device itself.

     

       If a computer/device has more than one active network interface, then
    each interface must have its own unique IP address, and referring to
    "the address of the computer/device" would be misleading.

     

       Your router, for example, has an IP address for its WAN/Internet
    interface (your external/public address), and a different IP address for
    its LAN interface ("192.168.1.1", apparently).

     

    > Model: R6700|Nighthawk AC1750 Smart WiFi Router

     

       R6700[v1], R6700v2, or R6700v3?  Look for "Model" on the product
    label.  Firmware version?

     

       On its management web site ("routerlogin.net", or "192.168.1.1"?),
    look at ADVANCED > ADVANCED Home, and search for "IP Address".