Optimisation TCPIP

De wikiGite

Script d'optimisation réseau

#!/bin/bash

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# tcp booster par Kosiorek David.
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# Creation du  backup.
if [ ! -e ./speed_backup.sh ] ; then
echo -n "Creation du  backup (`pwd`/speed_backup.sh)...  "
echo "#!/bin/bash" > ./speed_backup.sh
echo "" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/ipv4/tcp_sack`\" > /proc/sys/net/ipv4/tcp_sack" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/ipv4/tcp_timestamps`\" > /proc/sys/net/ipv4/tcp_timestamps" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/ipv4/tcp_mem`\" > /proc/sys/net/ipv4/tcp_mem" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/ipv4/tcp_rmem`\" > /proc/sys/net/ipv4/tcp_rmem" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/ipv4/tcp_wmem`\" > /proc/sys/net/ipv4/tcp_wmem" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/core/optmem_max`\" > /proc/sys/net/core/optmem_max" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/core/rmem_default`\" > /proc/sys/net/core/rmem_default" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/core/rmem_max`\" > /proc/sys/net/core/rmem_max" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/core/wmem_default`\" > /proc/sys/net/core/wmem_default" >> ./speed_backup.sh
echo "echo \"`cat /proc/sys/net/core/wmem_max`\" > /proc/sys/net/core/wmem_max" >> ./speed_backup.sh
chmod 744 ./speed_backup.sh
echo -e "\tdone!"
else
echo "Backup trouvé (`pwd`/speed_backup.sh). Pas de creation ."
fi

# Optimisation buffer 
echo -n "Optimisation...  "
echo "0" > /proc/sys/net/ipv4/tcp_sack
echo "0" > /proc/sys/net/ipv4/tcp_timestamps
echo "3129344 3137536 3145728" > /proc/sys/net/ipv4/tcp_mem
echo "65536 1398080 2796160" > /proc/sys/net/ipv4/tcp_rmem
echo "65536 1398080 2796160" > /proc/sys/net/ipv4/tcp_wmem
echo "163840" > /proc/sys/net/core/optmem_max
echo "1048560" > /proc/sys/net/core/rmem_default
echo "2097136" > /proc/sys/net/core/rmem_max
echo "1048560" > /proc/sys/net/core/wmem_default
echo "2097136" > /proc/sys/net/core/wmem_max
echo -e "\tOptimisation Ok!"