
02-19-2008, 07:00 AM
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Re: Kernel 2.6.1 upgrade = slow networking Peter Christy wrote:
> Menno Duursma wrote:
>
>
>>Try disabling ECN (Explicit Congestion Notification) like so:
>>
>>sysctl -w net.ipv4.tcp_ecn=0
>
>
> I haven't actually got ECN configured in the kernel, so not surprisingly, this
> had no effect!
>
> I did rebuild my modules, removing the ipv6 stuff, and that has got web
> browsing working properly again (www.theregister.co.uk now loads in a
> reasonable time without pauses).
>
> However, local file transfers are still an issue, but on further investigation,
> this appears to be a KDE problem! Transferring a kernel source file (approx 30
> MB) via mc (Midnight Commander) takes a few seconds. Trying the same transfer
> using the KDE file manager takes over 5 minutes, with frequent stalling for
> long periods.
>
> However, KDE 3.2 is imminent, so maybe I'll just wait for that and see if it
> fixes the problem.
>
> In the meantime, I would recommend *NOT* building ipv6 stuff, as this does seem
> to cause problems on certain websites!
>
You cant resolve IPV4 names with IPV6 tunneling as it is now. |