echo "1048576" > /proc/sys/net/core/optmem_max
echo "20971520" > /proc/sys/net/core/wmem_max
echo "20971520" > /proc/sys/net/core/rmem_max
echo "8192 2621440 10485760" > /proc/sys/net/ipv4/tcp_wmem
echo "8192 2621440 10485760" > /proc/sys/net/ipv4/tcp_rmem
echo "1" > /proc/sys/net/ipv4/tcp_timestamps
echo "1" > /proc/sys/net/ipv4/tcp_sack
echo "1" > /proc/sys/net/ipv4/tcp_window_scaling
echo "3129344 3137536 3145728" > /proc/sys/net/ipv4/tcp_mem