[Samba] Re: Unusable performance over WAN (part 2)

James Lamanna jlamanna at gmail.com
Fri Oct 12 17:39:34 GMT 2007


On 10/8/07, James Lamanna <jlamanna at gmail.com> wrote:
> On 10/8/07, Mike Eggleston <mikeegg1 at mac.com> wrote:
> > On Mon, 08 Oct 2007, James Lamanna might have said:
> >
> > > So as it turns out, apparently it was a window scaling issue.
> > > Turning on an excessively large window size on the routers (thereby
> > > enabling dynamic TCP window scaling) seems to have fixed the issue. I
> > > now get transfer rates around 130-160k/s.
> >
> > Great. For hysterical porpoises please document what specific changes
> > you made on the windows boxes and what specific changes you made on
> > your router.
> >
> > Mike
> >
>
> The only change I made on the routers was I added the global
> configuration command (both Cisco routers btw)
> ip tcp window-size 750000
>
> -- James
>

Apparently this was 'temporary'.
I had to power cycle one of the routers, and lo and behold, the old,
slow behavior is back even with the window-size being set.

Now I'm clueless again.

-- James


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