??? "another device on the network is using your computer's ip address"

Discussion in 'Mac Basics and Help' started by \0-0/, Nov 29, 2013.

  1. \0-0/ macrumors newbie

    Joined:
    Jul 22, 2012
    #1
    I am staying at a youth hostel and using their Wifi, but sometimes I get the error:

    "another device on the network is using your computer's ip address..."

    What is that?! Is that suggestive of me being hacked or something?
     
  2. ApfelKuchen macrumors 68020

    Joined:
    Aug 28, 2012
    Location:
    Between the coasts
    #2
    Most likely, not.

    Almost definitely, the network is using DHCP - that's a system where the network router automatically assigns an IP address to each device on the network. Say you go out for a while. It's a hostel, so you undoubtedly took your device with you. While you were gone "your" IP address was not in use, so it was reassigned to another device. When you returned, your device tried to reconnect using the IP address it had previously been assigned, and guess what? You'll get exactly that message.

    Sign out of the network, and sign back in. You'll get a new IP address, problem solved.
     

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