Une page dans votre Wiki a été ajoutée ou modifiée. Voici les détails : Date : 2007/01/27 15:10 Navigateur : Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.8.0.9) Gecko/20070102 Ubuntu/dapper-security Firefox/1.5.0.9 Adresse IP : 82.225.60.98 Nom d'hôte : cxr69-3-82-225-60-98.fbx.proxad.net Ancienne révision : none Nouvelle révision : http://cli.asyd.net/home/scripts/exemples/bandwidth Résumé : page créée, scripts collés Utilisateur : lois ====== Limitation de bande passante ====== Ces 3 scripts sont basé sur l'outil tc, fourni dans le paquet iproute2. Ils utilisent le scheduler réseau HTB. Cet exemple traite d'une limitation de bande passante sur le port 80 de la machine hôte. <code bash> #!/bin/sh # script /etc/init.d/limit-bandwidth # run the htb-* scripts to limit (or not) the bandwith # Author: Loïs # SCRDIR="/root/nyx/scripts" BINSTART="htb-start.sh" BINSTOP="htb-stop.sh" MODULE="sch_htb" ETH_DEV="eth0" # if scripts not present, stop & exit. test -x $SCRDIR/$BINSTART || exit 0 test -x $SCRDIR/$BINSTOP || exit 0 case "$1" in start) echo "starting HTB on eth0, port 80: " modprobe $MODULE sleep 2 $SCRDIR/$BINSTART echo "" ;; stop) echo "stopping HTB on eth0, port 80: " $SCRDIR/$BINSTOP modprobe -r $MODULE echo "" ;; restart) echo "restarting HTB on eth0, port 80: " $SCRDIR/$BINSTOP modprobe -r $MODULE sleep 2 modprobe $MODULE sleep 2 $SCRDIR/$BINSTART echo "" ;; status) echo "bandwith limits status: " tc -s qdisc show dev $ETH_DEV tc -s class show dev $ETH_DEV echo "" ;; *) echo "Limit the bandwidth apache2 use" echo "Usage: $0 {start|stop|restart|status}" echo "" exit 1 ;; esac exit 0 </code> <code bash> #!/bin/sh # htb-start.sh # Author: gentoo-wiki # change these values to suit your needs ETH_DEV="eth0" LINK_SPEED="2048Kbit" UPLOAD_SPEED="1024Kbit" PORT="80" # delete previous root node tc qdisc del dev $ETH_DEV root # create root node tc qdisc add dev $ETH_DEV root handle 1: htb default 11 # create LINK class tc class add dev $ETH_DEV parent 1: classid 1:1 htb rate $LINK_SPEED # create our HTTP shaping class tc class add dev $ETH_DEV parent 1:1 classid 1:10 htb rate $UPLOAD_SPEED # create our REST class for unutilized bandwidth tc class add dev $ETH_DEV parent 1:1 classid 1:11 htb rate $LINK_SPEED # create the filter for the HTTP class, we filter on source port 80 (http) tc filter add dev $ETH_DEV protocol ip parent 1:0 prio 1 u32 match ip sport $PORT 0xffff flowid 1:10 </code> <code bash> #!/bin/sh # htb-stop.sh # Author: gentoo-wiki ETH_DEV="eth0" tc qdisc del dev $ETH_DEV root </code> -- Ce message a été généré par DokuWiki http://cli.asyd.net/home/