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Re: NetBSD 5.1 TCP performance issue (lots of ACK)

On Thu, Oct 27, 2011 at 03:34:14PM -0400, Greg Troxel wrote:
> Perhaps, but bpf doesn't know about the interface MTU, and has its own
> snaplen of how much, so if it is seeing a 32 KB TCP packet then that
> should be ok.  But I saw no such packets in the trace.

TSO packets can be up to 64k.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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