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Hi ! Does anyone know if there is a way to received jumbo ethernet frames ( > 1500 bytes) with eth10/100 card -- such as Intel 82551IT ?? Operating at ...
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  1. #1
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    jumbo frames support on 10/100 eth card


    Hi !

    Does anyone know if there is a way to received jumbo ethernet frames ( > 1500 bytes) with eth10/100 card -- such as Intel 82551IT ??

    Operating at kernel level, I am able to successfuly send jumbo frames.
    But I cannot receive such frames.

    I guess if the driver can process those packets on the way out, it should be able to do, so on the way in... or am I wrong ??

    Let me know if there is any work around ! Maybe modifying module driver e100 ?

    I ll keep the post updated if I find something.

    Cheers,

    Samuel

  2. #2
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    I did some inverstigation
    Unfortunately packet drop in e100 occurs because of an "hardware error" bit set to 1 by lower level (a.k.a the eth card) ; plus, the advertized size is wrong (max observed was 151. I am afraid it is not possible, by changing e100 source code, to receive jumbo frames

    samuel

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