Messages in this thread | | | Date | Sat, 7 Oct 2000 02:53:27 +0200 | From | bert hubert <> | Subject | Re: Window Scale Option broken in 2.2.x |
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On Fri, Oct 06, 2000 at 07:56:15PM -0400, Lawrence MacIntyre wrote: > Hi: > > The window scale option doesn't appear to work in 2.2.16, 2.2.17, and > 2.2.18. I've got an old 2.2.5 machine and it doesn't work either. Is > this supposed to work? There is code in the kernel to do the window > scale option, but it always sends a 0 value. It does, however, work > correctly in 2.4.0-test9-pre9. I have tested it using ttcp -r -s > -b131072 (the -b flag does a setsockopt to increase the receive buffer, > and therefore the window size). > > p.s. Yes, /proc/sys/net/ipv4/tcp_window_scaling is 1
Userspace programs do need to suggest to the kernel that they want a larger window - this is documented somewhere.
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