On Mon, 5 Nov 2007, Ioannis Vranos wrote:
OS: CentOS 5.0 x86.
Hi, I am using CentOS 5.0 at home, ADSL ~16 Mbps/~1 Mbps Internet connection
and my ping time to my ISP is 160-170 msec.
When downloading something with Firefox, I am getting download speeds of
about 100-180 KB/sec (for example when downloading SP2 of XP from MS server).
Are the CentOS networking settings OK for this kind of latency, or do I have
to change some settings?
I am using this on my CentOS 4 machine. I would expect it to work on a
CentOS 5 machine as well.
Add the following to /etc/sysctl.conf
net.core.rmem_default = 67108864
net.core.wmem_default = 67108864
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.ipv4.tcp_mem = 4096 67108864 67108864
net.ipv4.tcp_rmem = 4096 67108864 67108864
net.ipv4.tcp_wmem = 4096 67108864 67108864
Run sysctl -p
Barry
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