Using 2 network interfaces causes ARP Cache Poisoning

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This topic contains 1 reply, has 2 voices, and was last updated by  Maximilian premium 7 years, 5 months ago.

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    Posted in: SD-Card Imaging and getting started
  • velberrocks
    2. Oktober 2015 at 9:44 #15937

    Hi,

    I use Squeezeplug/Max2Play on a Raspberry Pi as a mobile music playing device. So usually WiFi is used. Sometimes the WiFi signal is too weak so that I use a network cable.

    But every time I plug a network cable in the Linux distribution behaves weird. The Player name/machine name seems to get announced on both network interfaces and it seems that the default route is not properly set. As a result my Laptop Firewall gives me a message that an „ARP cache poisoning attempt“ has been blocked. And the Raspberry is not responding properly to network requestst anymore (from iPhone, iPad, Laptop, …).

    When I remove the WiFi USB stick and make use of the network cable only the player works fine.

    I did not see this behaviour on ny other linux machine before. Using WiFi and network cable never was a propblem.

    Which settings are wrong?

    Thank you
    velberocks

    Maximilian premium
    7. Oktober 2015 at 17:55 #16105

    Hi velberrocks,

    please check if you have set a static IP in the Max2Play WiFi/LAN menu. If so, remove it and try again.

    Regards

    Maximilian

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