Re: Bandwidth optimisation

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James A. Peltier wrote:

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

You may want to consider adding QoS to ACKs. Giving ACKs higher priority will allow you to better utilize the link by ensuring they don't get overrun with other traffic. I do this on my OpenBSD firewall with great success.


How can I do this in CentOS 5.0?

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