Messages in this thread | | | Subject | Re: Testing the GNIC-II (Hamachi) gigabit NIC | From | Jes Sorensen <> | Date | 06 Nov 1998 12:22:27 +0100 |
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>>>>> "Alan" == Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
>> to recognize that there is a 64-bit card in a 32-bit PCI slot), I'm >> trying to do some benchmarks. The cards are in a back-to-back >> configuration between an Alpha-533 and a PentiumII-266. >> >> Are there any TCP settings I can possibly tweak to improve TCP >> performance on large file transfers ?
Alan> The biggest thing you want to do is to use 8K packets if the Alan> card can support it, instead of 1500 byte frames for gig-E as Alan> 'aggregation media'
Right, for me with the Alteon card, the performance increases from like 28MB/sec to around 90MB/sec in a P2 400MHz 440BX (PCI 32/33)box when going from 1500 byte frames to 9K ones.
However, I would be interested to hear what kind of performance you get on 1500 byte frames.
Jes
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