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    System: Advanced: Networking: disable hardware offload… what NICs?

    2.0-RC Snapshot Feedback and Problems - RETIRED
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    • rcfa
      rcfa last edited by

      Is there somewhere a page that lists NICs/drivers that have issues with hardware offloading of TCP segmentation and large receive?

      The text there just says:

      Disable hardware TCP segmentation offload

      Checking this option will disable hardware TCP segmentation offloading (TSO, TSO4, TSO6). This offloading is broken in some hardware drivers, and may impact performance with some specific NICs.

      Disable hardware large receive offload

      Checking this option will disable hardware large receive offloading (LRO). This offloading is broken in some hardware drivers, and may impact performance with some specific NICs..

      but I'd not have the faintest idea where to look up which NICs do require these to be selected, and which would benefit by having this functionality enabled.

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      • AhnHEL
        AhnHEL last edited by

        A reply by Jimp which should cover your question.

        http://forum.pfsense.org/index.php/topic,33530.msg173926.html#msg173926

        AhnHEL (Angel)
        NYC

        4 *sense sites:
        Dell R210 II, Xeon 1230v2, 16GB RAM, 940/880 Mbps
        Dell R210 II, Xeon 1240v2, 8GB RAM, 940/880 Mbps
        Dell R210 II, Xeon 1220, 8GB RAM, 100/30 Mbps
        Dell 7010 Optiplex SFF, i5-3570, 16GB RAM, 100/30 Mbps

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