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Re: [NETVAERK] TCP checksum problem i 3c940 Marvell



Kenn Thyrsted wrote:
Hej Liste

Min FC6 er meget langsom til at overføre filer til/fra SMB shares.

WireShark afslører at dårlig TCP checksum er synderen.

Lidt "gurgling" afslører at der er et kendt checksum problem med Marvell
hardwaren, og at problemet kan løses ved at disable checksum offloading.

Men.. - Hvor pokker slår jeg TCP checksum offloading fra ??

Kenn

Hej,
Wireshark (pcap) har et generelt problem med TCP checksum
offloading, da checksumen først bliver beregnet efter CPU'en
har afleveret pakken til netkortet.
Er du sikker på at det er det der er dit reele problem?

Jeg ved desværre ikke hvordan man disabler checksum offloading.


mvh

Henrik Bork Steffensen
RoseTechnology A/S



 
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