20210503 Containernet / Mininet-Wifi ( Miniedit )

cd containernet

python3 ./setup.py install

docker pull ubuntu:16.04

docker images

apt update

apt upgrade

apt install openssh-server -y

建立兩組使用者密碼及sshd

docker run -it ubuntu:16.04 bash

建立 sshd1

adduser user

建立 sshd2

passwd user

apt update

apt install net-tools

ifconfig

apt install iputils-ping

ping 8.8.8.8

docker ps

建立 sshd1

docker commit 9f6 ubuntu:sshd1

docker images

docker rmi 4be

docker ps

docker commit 9f6 ubuntu:sshd1

建立 sshd2

docker commit 9f6 ubuntu:sshd2

docker images

docker ps

啟動 sshd

docker exec -it mn.d1 bash

d1

ifconfig d1-eth0 10.0.0.251/24

ifconfig

apt install openssh-server -y

/etc/init.d/ssh start

netstat -tulnp | grep 22

啟動 sshd

docker exec -it mn.d2 bash

d2

ifconfig d2-eth0 10.0.0.252/24

ifconfig

apt install openssh-server -y

/etc/init.d/ssh start

netstat -tulnp | grep 22

1.py

#!/usr/bin/python
"""
This is the most simple example to showcase Containernet.
"""
from mininet.net import Containernet
from mininet.node import Controller
from mininet.cli import CLI
from mininet.link import TCLink
from mininet.log import info, setLogLevel
setLogLevel('info')

net = Containernet(controller=Controller)
info('*** Adding controller\n')
net.addController('c0')
info('*** Adding docker containers\n')
h1 = net.addHost('h1', ip='10.0.0.250/24')
d1 = net.addDocker('d1', ip='10.0.0.251/24', dimage="ubuntu:sshd1")
d2 = net.addDocker('d2', ip='10.0.0.252/24', dimage="ubuntu:sshd2")
info('*** Adding switches\n')
s1 = net.addSwitch('s1')
info('*** Creating links\n')
net.addLink(h1, s1)
net.addLink(d1, s1)
net.addLink(d2, s1)
info('*** Starting network\n')
net.start()
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()

cd server-test/test-sshtunnel

gedit 1.py 2.py 3.py 4.py 5.py

python3 1.py

xterm h1

1.py

#!/usr/bin/python
from mininet.net import Containernet
from mininet.node import Docker
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import TCLink, Link
 
def topology():
 
    "Create a network with some docker containers acting as hosts."
    net = Containernet()
 
    info('*** Adding hosts\n')
    h1 = net.addHost('h1', ip='192.168.0.1/24')
    d1 = net.addDocker('d1', ip='192.168.0.2/24', dimage="smallko/php-apache-dev:v10")
 
    info('*** Creating links\n')
    net.addLink(h1, d1)
   
    info('*** Starting network\n')
    net.start()
    d1.cmd("/etc/init.d/ssh start")
    #d1.cmd("/etc/init.d/apache2 start")
    #h1.cmd("ssh -Nf -L 192.168.0.1:5555:192.168.0.2:80 user@192.168.0.2")   
 
    info('*** Running CLI\n')
    CLI(net)
 
    info('*** Stopping network')
    net.stop()
 
if __name__ == '__main__':
    setLogLevel('info')
    topology()

2.py

#!/usr/bin/python
from mininet.net import Containernet
from mininet.node import Docker
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import TCLink, Link
 
def topology():
 
    "Create a network with some docker containers acting as hosts."
    net = Containernet()
 
    info('*** Adding hosts\n')
    h1 = net.addHost('h1', ip='192.168.0.1/24')
    d1 = net.addDocker('d1', ip='192.168.0.2/24', dimage="smallko/php-apache-dev:v10")
    h2 = net.addHost('h2', ip='192.168.0.3/24')
    br1 = net.addHost('br1')
 
    info('*** Creating links\n')
    net.addLink(h1, br1)
    net.addLink(d1, br1)
    net.addLink(h2, br1)
   
    info('*** Starting network\n')
    net.start()
    d1.cmd("/etc/init.d/ssh start")
    br1.cmd("ifconfig br1-eth0 0")
    br1.cmd("ifconfig br1-eth1 0")
    br1.cmd("ifconfig br1-eth2 0")
    br1.cmd("brctl addbr br1")
    br1.cmd("brctl addif br1 br1-eth0")
    br1.cmd("brctl addif br1 br1-eth1")
    br1.cmd("brctl addif br1 br1-eth2")
    br1.cmd("ifconfig br1 up") 
 
    info('*** Running CLI\n')
    CLI(net)
 
    info('*** Stopping network')
    net.stop()
 
if __name__ == '__main__':
    setLogLevel('info')
    topology()

3.py

#!/usr/bin/python
from mininet.net import Containernet
from mininet.node import Docker
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import TCLink, Link
 
def topology():
 
    "Create a network with some docker containers acting as hosts."
    net = Containernet()
 
    info('*** Adding hosts\n')
    h1 = net.addHost('h1', ip='192.168.0.1/24')
    r1 = net.addHost('r1', ip='192.168.0.254/24')
    d1 = net.addDocker('d1', ip='10.0.0.1/24', dimage="smallko/php-apache-dev:v10")
 
    info('*** Creating links\n')
    net.addLink(h1, r1)
    net.addLink(r1, d1)
   
    info('*** Starting network\n')
    net.start()
    d1.cmd("/etc/init.d/ssh start")
    r1.cmd("ifconfig r1-eth1 0")
    r1.cmd("ip addr add 10.0.0.2/24 brd + dev r1-eth1")
    r1.cmd("echo 1 > /proc/sys/net/ipv4/ip_forward")
    r1.cmd("iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o r1-eth1 -j MASQUERADE")
    h1.cmd("ip route add default via 192.168.0.254")
    #h1.cmd("python -m SimpleHTTPServer 80 &") 
 
    info('*** Running CLI\n')
    CLI(net)
 
    info('*** Stopping network')
    net.stop()
 
if __name__ == '__main__':
    setLogLevel('info')
    topology()

4.py

#!/usr/bin/python
from mininet.net import Containernet
from mininet.node import Docker
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import TCLink, Link
 
def topology():
 
    "Create a network with some docker containers acting as hosts."
    net = Containernet()
 
    info('*** Adding hosts\n')
    h1 = net.addHost('h1', ip='192.168.0.1/24')
    h2 = net.addHost('h2', ip='192.168.0.2/24')
    br1 = net.addHost('br1')
    r1 = net.addHost('r1', ip='192.168.0.254/24')
    d1 = net.addDocker('d1', ip='10.0.0.1/24', dimage="smallko/php-apache-dev:v10")
 
    info('*** Creating links\n')
    net.addLink(h1, br1)
    net.addLink(h2, br1)
    net.addLink(r1, br1)
    net.addLink(r1, d1)
    
    info('*** Starting network\n')
    net.start()
    d1.cmd("/etc/init.d/ssh start")
    r1.cmd("ifconfig r1-eth1 0")
    r1.cmd("ip addr add 10.0.0.2/24 brd + dev r1-eth1")
    r1.cmd("echo 1 > /proc/sys/net/ipv4/ip_forward")
    r1.cmd("iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o r1-eth1 -j MASQUERADE")
    h1.cmd("ip route add default via 192.168.0.254")
    br1.cmd("ifconfig br1-eth0 0")
    br1.cmd("ifconfig br1-eth1 0")
    br1.cmd("ifconfig br1-eth2 0")
    br1.cmd("brctl addbr br1")
    br1.cmd("brctl addif br1 br1-eth0")
    br1.cmd("brctl addif br1 br1-eth1")
    br1.cmd("brctl addif br1 br1-eth2")
    br1.cmd("ifconfig br1 up") 
 
    info('*** Running CLI\n')
    CLI(net)
 
    info('*** Stopping network')
    net.stop()
 
if __name__ == '__main__':
    setLogLevel('info')
    topology()

5.py

#!/usr/bin/python
from mininet.net import Containernet
from mininet.node import Docker
from mininet.cli import CLI
from mininet.log import setLogLevel, info
from mininet.link import TCLink, Link
 
def topology():
 
    "Create a network with some docker containers acting as hosts."
    net = Containernet()
 
    info('*** Adding hosts\n')
    h1 = net.addHost('h1', ip='192.168.0.1/24')
    r1 = net.addHost('r1', ip='192.168.0.254/24')
    d1 = net.addDocker('d1', ip='10.0.0.1/24', dimage="smallko/php-apache-dev:v10")
    br1 = net.addHost('br1')
    h2 = net.addHost('h2', ip='10.0.0.3/24')
    h3 = net.addHost('h3', ip='10.0.0.4/24')
 
    info('*** Creating links\n')
    net.addLink(h1, r1)
    net.addLink(r1, br1)
    net.addLink(d1, br1)
    net.addLink(h2, br1)
    net.addLink(h3, br1)
   
    info('*** Starting network\n')
    net.start()
    d1.cmd("/etc/init.d/ssh start")
    r1.cmd("ifconfig r1-eth1 0")
    r1.cmd("ip addr add 10.0.0.2/24 brd + dev r1-eth1")
    r1.cmd("echo 1 > /proc/sys/net/ipv4/ip_forward")
    r1.cmd("iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o r1-eth1 -j MASQUERADE")
    r1.cmd("iptables -A FORWARD -s 192.168.0.1 -p tcp --dport 80 -j REJECT")
    h1.cmd("ip route add default via 192.168.0.254")
    br1.cmd("ifconfig br1-eth0 0")
    br1.cmd("ifconfig br1-eth1 0")
    br1.cmd("ifconfig br1-eth2 0")
    br1.cmd("ifconfig br1-eth3 0")
    br1.cmd("brctl addbr br1")
    br1.cmd("brctl addif br1 br1-eth0")
    br1.cmd("brctl addif br1 br1-eth1")
    br1.cmd("brctl addif br1 br1-eth2")
    br1.cmd("brctl addif br1 br1-eth3")
    br1.cmd("ifconfig br1 up") 
   
    info('*** Running CLI\n')
    CLI(net)
 
    info('*** Stopping network')
    net.stop()
 
if __name__ == '__main__':
    setLogLevel('info')
    topology()

python3 2.py

xterm h2

xterm h1

python3 3.py

xterm h1

xterm h1

python3 4.py

xterm h1 h2

python3 5.py

xterm h2 h3

xterm h1

cd containernet

python3 ./setup.py install

cd ..

cd server-test/test-quagga/

 python3 static_routing.py

xterm h1 r1

cd server-test/test-quagga-ospf/

ls

docker images

python3 dynamic_routing.py

h1 ping h2 -c 5

xterm h2 h1

cd mininet-wifi

cd examples

python miniedit.py

cd ..

cd ..

cd test-miniedit

gedit lab3.py

更改 Controller Type 後

lab3.py

#!/usr/bin/python

from mininet.net import Mininet
from mininet.node import RemoteController, OVSKernelSwitch, Host
from mininet.cli import CLI
from mininet.link import TCLink, Intf
from mininet.log import setLogLevel, info
from subprocess import call


def myNetwork():

    net = Mininet(topo=None,
                       build=False,
                       ipBase='10.0.0.0/8')

    info( '*** Adding controller\n' )
    c0 = net.addController(name='c0',
                           controller=RemoteController,
                           ip='127.0.0.1',
                           protocol='tcp',
                           port=6633)

    info( '*** Add switches/APs\n')
    s2 = net.addSwitch('s2', cls=OVSKernelSwitch)
    s1 = net.addSwitch('s1', cls=OVSKernelSwitch)

    info( '*** Add hosts/stations\n')
    h2 = net.addHost('h2', cls=Host, ip='10.0.0.2', defaultRoute=None)
    h1 = net.addHost('h1', cls=Host, ip='10.0.0.1', defaultRoute=None)

    info( '*** Add links\n')
    net.addLink(s1, s2)
    net.addLink(s2, h2)
    net.addLink(h1, s1)

    info( '*** Starting network\n')
    net.build()
    info( '*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info( '*** Starting switches/APs\n')
    net.get('s2').start([c0])
    net.get('s1').start([c0])

    info( '*** Post configure nodes\n')

    CLI(net)
    net.stop()


if __name__ == '__main__':
    setLogLevel( 'info' )
    myNetwork()

h1 ping h2 之前

ovs-ofctl dump-flows s1

ovs-ofctl dump-flows s2

h1 ping h2 之後

ovs-ofctl dump-flows s1

ovs-ofctl dump-flows s2

更改 Controller Type 後

cd ..

cd ryu

cd ryu

cd app

ryu-manager simple_switch.py

cd mininet-wifi

util/install.sh -n

cd examples

python miniedit.py

py sta1.params

py sta1.wintfs

py sta1.wintfs[0].txpower

sta1 iwconfig

py sta1.setRange(10, intf='sta1-wlan0')

7.py

#!/usr/bin/python

from mininet.log import setLogLevel, info
from mn_wifi.net import Mininet_wifi
from mn_wifi.node import Station, OVSKernelAP
from mn_wifi.cli import CLI
from mn_wifi.link import wmediumd
from mn_wifi.wmediumdConnector import interference
from subprocess import call


def myNetwork():

    net = Mininet_wifi(topo=None,
                       build=False,
                       link=wmediumd,
                       wmediumd_mode=interference,
                       ipBase='10.0.0.0/8')

    info( '*** Adding controller\n' )
    info( '*** Add switches/APs\n')
    ap3 = net.addAccessPoint('ap3', cls=OVSKernelAP, ssid='ap3-ssid',
                             channel='1', mode='g', position='526.0,325.0,0')
    ap1 = net.addAccessPoint('ap1', cls=OVSKernelAP, ssid='ap1-ssid',
                             channel='1', mode='g', position='442.0,199.0,0')
    ap2 = net.addAccessPoint('ap2', cls=OVSKernelAP, ssid='ap2-ssid',
                             channel='1', mode='g', position='372.0,328.0,0')

    info( '*** Add hosts/stations\n')
    sta1 = net.addStation('sta1', ip='10.0.0.1',
                           position='297.0,199.0,0')
    sta2 = net.addStation('sta2', ip='10.0.0.2',
                           position='590.0,200.0,0')

    info("*** Configuring Propagation Model\n")
    net.setPropagationModel(model="logDistance", exp=3)

    info("*** Configuring wifi nodes\n")
    net.configureWifiNodes()

    info( '*** Add links\n')
    net.addLink(sta1, ap1)
    net.addLink(ap1, sta2)

    net.plotGraph(max_x=1000, max_y=1000)

    info( '*** Starting network\n')
    net.build()
    info( '*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info( '*** Starting switches/APs\n')
    net.get('ap3').start([])
    net.get('ap1').start([])
    net.get('ap2').start([])

    info( '*** Post configure nodes\n')

    CLI(net)
    net.stop()


if __name__ == '__main__':
    setLogLevel( 'info' )
    myNetwork()

mx sta1 iwconfig

主動式掃描附近基地台

mx sta1 iwlist sta1-wlan0 scan

mx sta2 iwlist sta2-wlan0 scan

mx sta1 iw dev sta1-wlan0 disconnect

mx sta1 iwconfig

mx sta1 iwlist sta1-wlan0 scan

mx sta1 iw dev sta1-wlan0 connect ap1-ssid

mx sta1 ping 10.0.0.2

mx ap1 iwconfig

mx ap1 iw dev ap1-wlan1 station dump

mx ap1 iw dev ap1-wlan1 station dump | grep Station

課堂資料

Containernet ( Dockernet )

Mininet-Wifi ( Miniedit )

進行`Mininet-Wifi`實驗時，需停下`NetworkManager`

課堂練習

Containernet ( Dockernet )

Containernet ( SSH Tunnel )

實驗一

實驗二

實驗三

實驗四

實驗五

Static routing vs Dynamic Routing

OSPF

Mininet-Wifi ( Miniedit )

課堂資料

Containernet ( Dockernet )

Mininet-Wifi ( Miniedit )

進行Mininet-Wifi實驗時，需停下NetworkManager

課堂練習

Containernet ( Dockernet )

Containernet ( SSH Tunnel )

實驗一

實驗二

實驗三

實驗四

實驗五

Static routing vs Dynamic Routing

OSPF

Mininet-Wifi ( Miniedit )

進行`Mininet-Wifi`實驗時，需停下`NetworkManager`