Tcp Tuning for boardband ?
cms0009 at gmail.com
Tue Nov 20 15:11:13 UTC 2007
On Tuesday 20 November 2007 4:05:14 am you wrote:
> Richard wrote the following on 20.11.2007 05:36
> > net.core.rmem_max = 524288
> > net.core.wmem_max = 524288
> > net.ipv4.tcp_wmem = 4096 87380 524288
> > net.ipv4.tcp_rmem = 4096 87380 524288
> those i used in the past
> but i haven´t any numbers compared to without them
I can add these to the config file above with no issues, right ?
> > net.ipv4.tcp_rfc1337 = 1
> > net.ipv4.ip_no_pmtu_disc = 0
> > net.ipv4.tcp_sack = 1
> > net.ipv4.tcp_fack = 1
> > net.ipv4.tcp_window_scaling = 1
> use "window scaling" with caution.
Thilo, can I add these too, but CHANGE the window_scaling = 0
according to the link you listed, this way, it would be compatible with the
broken routers out there, or NO ?
> > net.ipv4.tcp_timestamps = 1
> > net.ipv4.tcp_ecn = 0
> > net.ipv4.route.flush = 1
> > ------------
> > Now, I thought I would as,k the the network specialist
> > out there, if these setting would make any real diff.
> the tcp buffers can make a difference in my experience, but those settings
> are Link relatet.
> So play a little around to find the setting that works for you best.
these above would be okay as well ?
> Apart from that.
> A real big difference in network speed is to install a local DNS cache such
> as "pdnsd".
> That will greatly reduce network delay in Nameresolution and therefore
> speed up you surfing greatly.
Thanks very much, will look into this pdnsd dns cache for my laptop.
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