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Interference due to Internet Connection Sharing

Discussion in 'Networking' started by CarolinaBill, Dec 16, 2011.

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  1. CarolinaBill

    CarolinaBill Thread Starter

    Jan 1, 2006
    I am looking for clarification for if and how internet connection sharing by a network client could jam or interfere with network operation. Let's say computer A and B are networked together in a sub-network properly configured with ICS activated, with an IP-series different from the main network, and with network security in place and files not shared. Computer A is the host computer for the home network and is operating with an IP-address provided by the main network and with access authorized by MAC address. If computer B accesses the internet through computer A's gateway, it must pass through the main network gateway on the way to the internet. Communication between B and the network is basically one-way at that point as I see it except for the traffic with the internet connection. The main network and any clients of it cannot connect with either computer A or computer B because of the security restriction plus the lack of file sharing. In the other direction, computer B can access the main gateway and the internet but nothing else on the network. There are two factors present that might lead to interference by B with the main network. ONE is the fact that its signal is coming from a device whose MAC address is not authorized. The SECOND is that both A and B are using the same IP-address assigned by the network, quite possibly simultaneously. Except for that, I do not see that there would be any difference as far as the network is concerned, in traffic between A or B and the internet

    My question is: "Are either of these situations likely to jam the main network or cause interference?"
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