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IP address and gateway is not at same subnet mask!

By LinksysHater09
Jul 18, 2007
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  1. Everytime I try to change my router settings it says, "IP address and gateway is not at same subnet mask!"

    Can anyone help me please!!!?!?
  2. jobeard

    jobeard TS Ambassador Posts: 13,369   +302

    Likely you are fussing with static addresses; STOP IT. If you leave the DHCP
    alone, it does everything correctly.

    1) why are you changing the IP (and which one: gateway, dns, router, or the PC)

    2) what was it and what did you change it to (and we need the mask as well)
  3. Justin

    Justin Newcomer, in training Posts: 1,595



    It means just that

    You are trying to define as a host that does not exist on any local network you are a part of. This is against the basic rules of networking and would result in an unusable system (or at least, unusable to actually achieve working non-local network functionality)

    If you don't know what you are doing, you really should not be using static addressing, and should instead stick to DHCP.
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