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Outdoor Ethernet Run

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    #32
    TheChizler
    Registered Users Posts: 9,412 ✭✭✭TheChizler


    https://www.boards.ie/discussion/comment/120324671#Comment_120324671

    Thanks, I actually deal with this kind of thing for a living ;) If the OP could identify how far up the layers it was working it would be great.

    Damp would actually be a problem earlier at layer 1, the physical layer, since it would cause signal degradation. Depending on how bad it might only be detected by layer 2 mechanisms like CRC.

    If damp isn't causing layer 2 to have issues then there's no mechanism for it to cause issues in layer 3, beyond some tiny improbable chance (close to 1 in a billion) that the CRC failed to detect an error in a particular packet. Typically you're sending way more than 1 packet so that's implausible as a mechanism for L2 to appear fine but to cause errors at L3.

    So I'm not sure what you mean here. It's plausible that any layer might intermittently work all right. And there are ways for L3 to fail when lower layers are fine, but physical problems with the connection aren't among them.



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