Laboratorio 24/10/2008

[Andrea Detti < >]

Esercizio:


tc filter add dev eth0 parent 2: protocol ip prio 1 u32 match ip protocol 17 
0xff flowid 2:1

cambiare questo filtro con uno del tipo sottoindicato in modo che effettui la 
stessa cosa

tc filter add dev eth0 parent 2: protocol ip prio 1 u32 match u32 ...


Ciao,
-- 
---------------------------------------
 Andrea Detti, PhD
 Dip. Ingegneria Elettronica
 Universita' di Roma "Tor Vergata" 
 Via del Politecnico 1, 00133 Roma, Italy
 Tel.: +39-06-7259-7285
 Fax : +39-06-7259-7435
 email: 

 
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vstart PC1 --eth0=A -M 64
vstart PC2 --eth0=A -M 64
vstart PC3 --eth0=A -M 64
vstart PC4 --eth0=A -M 64
vstart PC5 --eth0=A -M 64

tc qdisc del dev eth0 parent root

tc qdisc add dev eth0 root handle 1: htb default 1
tc class add dev eth0 parent 1: classid 1:1 htb rate 2Mbit ceil 2Mbit

tc qdisc add dev eth0 parent 1:1 handle 2: prio bands 3

tc qdisc add dev eth0 parent 2:1 handle 3: tbf rate 1Mbit limit 6250 burst 
3000

tc qdisc add dev eth0 parent 2:2 handle 4: htb default 4
tc class add dev eth0 parent 4: classid 4:1 htb rate 2Mbit ceil 2Mbit prio 1
tc class add dev eth0 parent 4:1 classid 4:2 htb rate 0.5Mbit ceil 2Mbit prio 
1
tc class add dev eth0 parent 4:1 classid 4:3 htb rate 0.35Mbit ceil 2Mbit 
prio 1
tc class add dev eth0 parent 4:1 classid 4:4 htb rate 0.15Mbit ceil 2Mbit 
prio 1

tc filter add dev eth0 parent 2: protocol ip prio 1 u32 match ip protocol 17 
0xff flowid 2:1
tc filter add dev eth0 parent 2: protocol 0x0003 prio 2 u32 match u8 0x0 0x0 
flowid 2:2

tc filter add dev eth0 parent 4: protocol ip prio 1 u32 match ip tos 48 0xff 
flowid 4:2
tc filter add dev eth0 parent 4: protocol ip prio 1 u32 match ip tos 160 0xff 
flowid 4:3
tc filter add dev eth0 parent 4: protocol 0x0003 prio 2 u32 match u8 0x0 0x0 
flowid 4:4

# ip tcp protocol type 6
# ip udp protocol type 17

./iperf -c 192.168.0.3 -S 48 -t 60 &
./iperf -c 192.168.0.4 -S 160 -t 60 &
./iperf -c 192.168.0.5 -t 60 &
sleep 20
./iperf -c 192.168.0.2 -u -b 5M -t 60 &