3 ########## sw1 ##########
4 ip link add name sw1-eth2 type veth peer name fw2-eth0
5 ip link add name sw1-eth3 type veth peer name sw3-eth1
7 ########## sw2 ##########
8 ip link add name sw2-eth1 type veth peer name cache1-eth0
9 ip link add name sw2-eth3 type veth peer name sw3-eth2
11 ########## sw3 ##########
12 #ip link add name sw3-eth1 type veth peer name sw1-eth3
13 #ip link add name sw3-eth2 type veth peer name sw2-eth3
14 ip link add name sw3-eth3 type veth peer name sw4-eth1
16 ########## sw4 ##########
17 #ip link add name sw4-eth1 type veth peer name sw3-eth3
19 ########## fw2 ##########
21 ip link set fw2-eth0 netns fw2
23 ########## cache1 ##########
25 ip link set cache1-eth0 netns cache1
27 ########## sw1 ##########
28 ofdatapath -i eth0,sw1-eth2,sw1-eth3 punix:/tmp/sw1 -d 000000000001 1> /tmp/sw1-ofd.log 2> /tmp/sw1-ofd.log &
29 ofprotocol unix:/tmp/sw1 tcp:127.0.0.1:6633 --fail=closed --listen=ptcp:6661 1> /tmp/sw1-ofp.log 2> /tmp/sw1-ofp.log &
31 ########## sw2 ##########
32 ofdatapath -i sw2-eth1,eth1,sw2-eth3 punix:/tmp/sw2 -d 000000000002 1> /tmp/sw2-ofd.log 2> /tmp/sw2-ofd.log &
33 ofprotocol unix:/tmp/sw2 tcp:127.0.0.1:6633 --fail=closed --listen=ptcp:6662 1> /tmp/sw2-ofp.log 2> /tmp/sw2-ofp.log &
35 ########## sw3 ##########
36 ofdatapath -i sw3-eth1,sw3-eth2,sw3-eth3,eth2 punix:/tmp/sw3 -d 000000000003 1> /tmp/sw3-ofd.log 2> /tmp/sw3-ofd.log &
37 ofprotocol unix:/tmp/sw3 tcp:127.0.0.1:6633 --fail=closed --listen=ptcp:6663 1> /tmp/sw3-ofp.log 2> /tmp/sw3-ofp.log &
39 ########## sw4 ##########
40 ofdatapath -i sw4-eth1,eth3 punix:/tmp/sw4 -d 000000000004 1> /tmp/sw4-ofd.log 2> /tmp/sw4-ofd.log &
41 ofprotocol unix:/tmp/sw4 tcp:127.0.0.1:6633 --fail=closed --listen=ptcp:6664 1> /tmp/sw4-ofp.log 2> /tmp/sw4-ofp.log &
45 ########## lldp ##########
46 dpctl unix:/tmp/sw1 flow-mod cmd=add,table=0,idle=0,hard=0,prio=65535 eth_type=0x88cc apply:output=ctrl:0xff
47 dpctl unix:/tmp/sw2 flow-mod cmd=add,table=0,idle=0,hard=0,prio=65535 eth_type=0x88cc apply:output=ctrl:0xff
48 dpctl unix:/tmp/sw3 flow-mod cmd=add,table=0,idle=0,hard=0,prio=65535 eth_type=0x88cc apply:output=ctrl:0xff
49 dpctl unix:/tmp/sw4 flow-mod cmd=add,table=0,idle=0,hard=0,prio=65535 eth_type=0x88cc apply:output=ctrl:0xff
55 ip netns exec fw2 bash
56 ifconfig fw2-eth0 down
57 ifconfig fw2-eth0 hw ether 00:00:00:00:00:01
62 ip netns exec cache1 bash
63 ifconfig cache1-eth0 down
64 ifconfig cache1-eth0 hw ether 00:00:00:00:00:02
65 ifconfig cache1-eth0 up
71 echo 1 > /proc/sys/net/ipv4/ip_forward
72 cat /proc/sys/net/ipv4/ip_forward
74 iptables -A FORWARD -i eth0 -j DROP
75 iptables -vxnL FORWARD
77 iptables -D FORWARD -i eth0 -j DROP
78 iptables -vxnL FORWARD