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| Networking with Windows Vista Networking issues and questions with Windows Vista. (microsoft.public.windows.vista.networking_sharing) |
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October 29th 08, 06:56 AM
posted to microsoft.public.windows.vista.networking_sharing
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buggy TCP zero-window probe in vista ?
hello group,
i wonder if any one has noticed the bizarre TCP zero-window probe behavior in vista ? xp's probe works pretty well. however in vista (SP1), when a zero-window is replied by the receiver, some times it takes as long as, say, 38 seconds to probe back. and sometimes it seems vista doesnt probe at all (or the timeout is just too long). i have packet captures for both vista and xp on this. apparently this is a bug in vista that doesnt follow rfc 1122/793. the result would be the tcp connection stalls or even breaks when the receiver is temporarily under high load and responded zero window. any comments ? thanks ! - hao 
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January 27th 09, 09:12 PM
posted to microsoft.public.windows.vista.networking_sharing
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buggy TCP zero-window probe in vista ?
Well, I've noticed the same thing with a Marvell network card if I set the speed at 1000 Full Duplex but if I run at 100 Full, I don't get any of the issues. I blame the network chip all the way because I have the same problem on multiple systems and they all have Marvell embedded chips. -- Yeorwned
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