1ifconfig eth1 mtu 9000 txqueuelen 1000 up 2 3### IPV4 specific settings 4# turns TCP timestamp support off, default 1, reduces CPU use 5echo "0" > /proc/sys/net/ipv4/tcp_timestamps 6 7# turn SACK support off, default on 8echo "0" > /proc/sys/net/ipv4/tcp_sack 9 10# sets min/default/max TCP read buffer, default 4096 87380 174760 11echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_rmem 12 13# sets min/pressure/max TCP write buffer, default 4096 16384 131072 14echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_wmem 15 16# sets min/pressure/max TCP buffer space, default 31744 32256 32768 17echo "10000000 10000000 10000000" > /proc/sys/net/ipv4/tcp_mem 18 19### CORE settings (mostly for socket and UDP effect) 20# maximum receive socket buffer size, default 131071 21echo "524287" > /proc/sys/net/core/rmem_max 22 23# maximum send socket buffer size, default 131071 24echo "524287" > /proc/sys/net/core/wmem_max 25 26# default receive socket buffer size, default 65535 27echo "524287" > /proc/sys/net/core/rmem_default 28 29# default send socket buffer size, default 65535 30echo "524287" > /proc/sys/net/core/wmem_default 31 32# maximum amount of option memory buffers, default 10240 33echo "524287" > /proc/sys/net/core/optmem_max 34 35# number of unprocessed input packets before kernel starts dropping them, 36# default 300 37echo "300000" > /proc/sys/net/core/netdev_max_backlog 38