On Monday 2010-06-14 19:34, Fischer, Anna wrote: >>>> [something about Vista and TCP Delayed ACK] >>>> >>>> Is this a known issue? >>> >>> You're mentioning ip_conntrack, which is obsoleted for multiple >>> years now. Which kernel version are you using? >> >> By definition of ip_conntrack, that must be older than 2.6.20. > >Yes, this is a 2.6.18 Xen kernel that I am using. Even if it is obsolete, can you let me know if you are aware of such a problem ever having caused any issues? I just want to get a feeling if I am at least roughly on the right track while figuring out what the problem is. The 2.6.18 has a known problem with DSACK even when both endpoints are Linux. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html