Router and modem issue

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  • kronzee21
    PCHF Member
    • Jan 2023
    • 1

    #1

    Router and modem issue

    i have a question, I recently switched internet services. From spectrum to att. When I used the spectrum modem it was easy to use my third party router to change my mac address and therefore my public ip address. however now when i try to change my mac address with att what happens is the modem just changes the ip address of my router when i change the mac address. My public IP address stays the same. Why? What is going on here? Please help
  • Bruce
    PCHF Moderator
    • Oct 2017
    • 10702

    #2
    your service provider will either set you up with a static IP address (never changes) or a dynamic one that could change whenever the modem is rebooted.
    do you know what your plan has, static or dynamic?

    unless you use a VPN service, your public IP is determined by your provider and you cannot change it by mucking around the internals of your modem/router.

    that’s my understanding at least.

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    • Rustys
      PCHF Member
      • Jul 2016
      • 7862

      #3
      Hit and run several forums closed

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