From: boite-a-spam@plouf.fr.eu.org   
      
   Hello,   
      
   Dick Wesseling a écrit :   
   > Martijn Lievaart  writes:   
   >> On Thu, 26 Nov 2009 09:10:35 -0800, Ashwin Rao wrote:   
   >>   
   >>> Data payloads with length greater than the MSS negotiated are being   
   >>> exchanged. I would like to know under which conditions are payloads   
   >>> greater than the MSS exchanged? Further, is there a way to limit the   
   >>> payloads to the specified MSS value?   
   >>   
   >> I've seen this happening with NICs that do tcp offloading. In that case,   
   >> the frame you see in tcpdump is NOT what goes over the wire, but what the   
   >> OS send to the card. FWIW, this was on AIX.   
   >   
   > The original post states that this occurred on the loopback device   
      
   Linux has TSO enabled on the loopback device since version 2.6.27.   
      
   # ethtool -k lo   
   [...]   
   tcp segmentation offload: on   
      
   --- SoupGate-Win32 v1.05   
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