def buildFromTopo(self, topo=None):
print self.hosts
print '*** Adding controllers:\n'
for controllerName in topo.controllers():
self.addController(controllerName, **topo.nodeInfo(controllerName))
print controllerName + ' '
Mininext.buildFromTopo(self, topo)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
Script()
QuestionB2()
QuestionB3()
# info('** Dumping host connections\n')
# dumpNodeConnections(net.hosts)
# info('** Testing network connectivity\n')
# net.ping(net.hosts)
# info('** Dumping host processes\n')
# for host in net.hosts:
# host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
# h1, h2, r1, r2, r3, r4 = net.get('host1', 'host2', 'router1', 'router2', 'router3', 'router4')
#h1intf = h1.defaultIntf()
#h1intf.setIP('192.168.1.1/24')
#h2intf = h2.defaultIntf()
#h2intf.setIP('192.168.2.1/24')
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
info( '** Creating Quagga network topology\n' )
topo = QuaggaTopo()
global net
net = Mininext(topo=topo,
controller=lambda name: RemoteController( name, ip='127.0.0.1' ),listenPort=6633)
info( '** Starting the network\n' )
net.start()
#info( '** Dumping host connections\n' )
#dumpNodeConnections(net.hosts)
info( '** psaux dumps on all hosts\n' )
for lr in net.hosts:
if lr.name != 'exabgp':
lr.cmdPrint("ps aux")
#info( '** Dumping host connections\n' )
#dumpNodeConnections(net.hosts)
info( '**Adding Network Interfaces for SDX Setup\n' )
addInterfacesForSDXNetwork(net)
info( '** Running CLI\n' )
CLI( net )
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController, autoSetMacs=True)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
# net['R1'].setIP('192.168.1.65', prefixLen = 24, intf = 'R1-eth1')
# net['R1'].setIP('192.168.1.129', prefixLen = 24, intf = 'R1-eth2')
# net['R1'].setIP('192.168.1.193', prefixLen = 24, intf = 'R1-eth3')
# net['S1'].setIP('192.168.1.65', prefixLen = 24, intf = 'S1-eth1')
# net['S1'].setIP('192.168.1.129', prefixLen = 24, intf = 'S1-eth2')
# net['S1'].setIP('192.168.1.193', prefixLen = 24, intf = 'S1-eth3')
# H1: Add static routes
# net['H1'].cmd('ip route add default via 192.168.1.2 dev H1-eth0')
# H2: Add static routes
# net['H2'].cmd('ip route add default via 192.168.1.65 dev H2-eth0')
# H3: Add static routes
# net['H3'].cmd('ip route add default via 192.168.1.129 dev H3-eth0')
# H4: Add static routes
# net['H4'].cmd('ip route add default via 192.168.1.193 dev H4-eth0')
# R1: Add static routes
# net['R1'].cmd('ip route add 192.168.1.1/26 via 192.168.1.2 dev R1-eth0')
# net['R1'].cmd('ip route add 192.168.1.64/26 via 192.168.1.65 dev R1-eth1')
# net['R1'].cmd('ip route add 192.168.1.128/26 via 192.168.1.129 dev R1-eth2')
# net['R1'].cmd('ip route add 192.168.1.192/26 via 192.168.1.193 dev R1-eth3')
# net['S1'].cmd('ip route add 192.168.1.1 via 192.168.1.2 dev S1-eth0')
# net['S1'].cmd('ip route add 192.168.1.64 via 192.168.1.65 dev S1-eth1')
# net['S1'].cmd('ip route add 192.168.1.128 via 192.168.1.129 dev S1-eth2')
# net['S1'].cmd('ip route add 192.168.1.192 via 192.168.1.193 dev S1-eth3')
# S1: Configure IP forwarding
# net['S1'].cmd('sysctl -w net.ipv4.ip_forward=1')
info('** Testing network connectivity\n')
# net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
# net['H2'].cmdPrint('ping 192.168.1.2')
info('** Running CLI\n')
CLI(net)
def startNetwork():
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
global net
net = Mininext(topo=topo, controller=lambda name: RemoteController(name, ip='127.0.0.1' ), link=TCLink)
info('** Starting the network\n')
net.start()
info('**Adding Network Interfaces for RouteOPS Setup\n')
addInterfacesForNetwork(net)
info('** Running CLI\n')
CLI(net)
def startNetwork():
info( '** Creating Quagga network topology\n' )
topo = QuaggaTopo()
global net
net = Mininext(topo=topo)
info( '** Starting the network\n' )
net.start()
info( '**Adding Network Interfaces for SDX Setup\n' )
addInterfacesForNetwork(net)
info( '** Running CLI\n' )
CLI( net )
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
# Manually add interface IP addresses
print '** Adding interface IP addresses\n'
r1 = net.getNodeByName('r1')
r1.setIP('172.0.2.1/24', 24, 'r1-eth1')
r1.setIP('172.0.3.1/24', 24, 'r1-eth2')
r2 = net.getNodeByName('r2')
r2.setIP('172.0.4.1/24', 24, 'r2-eth1')
r3 = net.getNodeByName('r3')
r3.setIP('172.0.5.1/24', 24, 'r3-eth1')
r4 = net.getNodeByName('r4')
r4.setIP('172.0.5.2/24', 24, 'r4-eth1')
r4.setIP('172.0.6.1/24', 24, 'r4-eth2')
h1 = net.getNodeByName('h1')
h2 = net.getNodeByName('h2')
# Enable forwarding on each host
r1.cmd('sysctl net.ipv4.ip_forward=1')
r2.cmd('sysctl net.ipv4.ip_forward=1')
r3.cmd('sysctl net.ipv4.ip_forward=1')
r4.cmd('sysctl net.ipv4.ip_forward=1')
h1.cmd('sysctl net.ipv4.ip_forward=1')
h2.cmd('sysctl net.ipv4.ip_forward=1')
# Start servers
info('** Starting servers on port 800\n')
r1.cmd(
'python rip_lite_server.py "h1,r2,r3" "172.0.1.1,172.0.2.2,172.0.3.2" &'
)
r2.cmd('python rip_lite_server.py "r1,r4" "172.0.2.1,172.0.4.2" &')
r3.cmd('python rip_lite_server.py "r1,r4" "172.0.3.1,172.0.5.2" &')
r4.cmd(
'python rip_lite_server.py "r2,r3,h2" "172.0.4.1,172.0.5.1,172.0.6.2" &'
)
h1.cmd('python rip_lite_server.py "r1" "172.0.1.2" &')
h2.cmd('python rip_lite_server.py "r4" "172.0.6.1" &')
# Start CLI
info('** Running CLI\n')
CLI(net)
def startNetwork():
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
global net
net = Mininext(
topo=topo,
controller=lambda name: RemoteController(name, ip='127.0.0.1'))
info('** Starting the network\n')
net.start()
info('**Adding Network Interfaces for SDX Setup\n')
addInterfacesForSDXNetwork(net)
info('** Running CLI\n')
CLI(net)
def run():
# Creates the virtual environment, by starting the network and configuring debug information
info('** Creating an instance of Lab6 network topology\n')
topo = Lab6Topo()
info('** Starting the network\n')
global net
global hosts
# We specify the OVSSwitch for better IPv6 performance
# We use mininext constructor with the instance of the network, the default controller and the customized openvswitch
net = MiniNExT(topo, controller=Controller, switch=OVSSwitch)
net.start()
info('** Executing custom commands\n')
# Space to add any customize command before prompting command line
# We assign IPv6 addresses to hosts h1, h2, and h5 as they are not configured through Quagga
# We gather only the hosts created in the topology (no switches nor controller)
hosts = [ net.getNodeByName( h ) for h in topo.hosts() ]
for host in hosts:
# Only to hosts: We assign IPv6 address
if host.name == 'h1':
host.cmd('ip -6 addr add 2001:1:0:1010::10/64 dev h1-eth1')
host.cmd('ip -6 route add default via 2001:1:0:1010::1')
elif host.name == 'h2':
host.cmd('ip -6 addr add 2001:1:0:2020::20/64 dev h2-eth1')
host.cmd('ip -6 route add default via 2001:1:0:2020::2')
elif host.name == 'h5':
host.cmd('ip -6 addr add 2001:1:0:5050::50/64 dev h5-eth1')
host.cmd('ip -6 route add default via 2001:1:0:5050::5')
# Enable Xterm window for every host
info('** Enabling xterm for hosts only\n')
# We check if the display is available
if 'DISPLAY' not in os.environ:
error( "Error starting terms: Cannot connect to display\n" )
return
# Remove previous (and possible non-used) socat X11 tunnels
cleanUpScreens()
# Mininet's function to create Xterms in hosts
makeTerms( hosts, 'host' )
# Enable the mininext> prompt
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
for host in net.hosts:
host.cmdPrint("echo 1 > /proc/sys/net/ipv4/ip_forward")
router2 = [
'ip addr add 183.0.0.2/20 dev R1-eth1',
'ip addr add 184.0.0.2/20 dev R1-eth2'
]
router3 = ['ip addr add 185.0.0.2/20 dev R2-eth1']
router4 = ['ip addr add 186.0.0.2/20 dev R3-eth1']
router5 = [
'ip addr add 185.0.0.1/20 dev R4-eth1',
'ip addr add 186.0.0.1/20 dev R4-eth2'
]
ip_addr = {2: router2, 3: router3, 4: router4, 5: router5}
info('** Setting up ip address\n')
for k, v in ip_addr.items():
for e in v:
net.hosts[k].cmdPrint(e)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
H1 = net.hosts[0]
H2 = net.hosts[1]
info('Pinging for Convergence\n')
pingForConv(H1, H2, 5)
getTraceroutes(H1, H2)
info('** Testing network connectivity\n')
net.ping(net.hosts)
net.configLinkStatus('R1', 'R2', 'down')
info('\nPinging for Convergence after R1-R2 link is down')
pingForConv(H1, H2, 35)
getTraceroutes(H1, H2)
info('** Running CLI\n')
CLI(net)
def startNetwork():
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
net = Mininext(topo=topo,
controller=lambda name: RemoteController(name, ip='127.0.0.1'),
listenPort=6633)
info('** Starting the network\n')
net.start()
info('** ps aux dumps on all hosts\n')
for host in net.hosts:
host.cmdPrint('ps aux')
info('** Adding Network Interfaces for MTD setup\n')
add_interfaces_for_mtd(net)
info('Running CLI\n')
CLI(net)
return net
def startNetwork():
info("** Creating Quagga network topology\n")
topo = QuaggaTopo()
info("** Starting the network\n")
global net
net = MiniNExT(topo, controller=None, autoStaticArp=True, autoSetMacs=True, switch=OVSSwitch, link=TCLink)
# Manual configuration and startup
config_components()
net.start()
setup_services()
#info('** Dumping host process(es)\n')
#for host in net.hosts:
#host.cmdPrint("ps aux")
#net.get("100_r1").cmdPrint("ps aux")
info("** Running CLI\n")
CLI(net)
def startNetwork():
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
net = Mininext(topo=topo,
controller=lambda name: RemoteController(name, ip='127.0.0.1'),
listenPort=6633)
info('** Starting the network\n')
net.start()
info('** ps aux dumps on all hosts\n')
for host in net.hosts:
host.cmdPrint('ps aux')
info('** Adding Network Interfaces for MTD setup\n')
add_interfaces_for_mtd(net)
info('Running CLI\n')
CLI(net)
return net
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
# h1, h2, r1, r2, r3, r4 = net.get('host1', 'host2', 'router1', 'router2', 'router3', 'router4')
#h1intf = h1.defaultIntf()
#h1intf.setIP('192.168.1.1/24')
#h2intf = h2.defaultIntf()
#h2intf.setIP('192.168.2.1/24')
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info("** Running topology startup commands\n")
topo.startup_commands(net.hosts)
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
# net.startTerms()
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def run():
" Creates the virtual environment, by starting the network and configuring debug information "
info('** Creating an instance of Lab4 network topology\n')
topo = Lab4Topo()
info('** Starting the network\n')
global net
global hosts
# We use mininext constructor with the instance of the network, the default controller and the openvswitch
net = MiniNExT(topo, controller=Controller, switch=OVSSwitch)
net.start()
info('** Executing custom commands\n')
##############################################
# Space to add any customize command before prompting command line
# We provide an example on how to assign IPv6 addresses to hosts h1 and h2 as they
# are not configured through Quagga
# If required, you can add any extra logic to it
# We gather only the hosts created in the topology (no switches nor controller)
hosts = [net.getNodeByName(h) for h in topo.hosts()]
info('** Adding IPv6 address to hosts\n')
for host in hosts:
if host.name is 'h1':
host.cmd('ip -6 addr add 2001:1:0:11::10/64 dev h1-eth1')
host.cmd('ip -6 route add default via 2001:1:0:11::1')
elif host.name is 'h2':
host.cmd('ip -6 addr add 2001:1:0:12::20/64 dev h2-eth1')
host.cmd('ip -6 route add default via 2001:1:0:12::2')
info('** Enabling xterm for all hosts\n')
makeTerms(hosts, 'node')
##############################################
# Enable the mininext> prompt
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
total_nodes = int(sys.argv[1]) if len(sys.argv) > 1 else 6
info('** Creating Quagga network topology\n')
topo = QuaggaTopo(total_nodes)
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
# pdb.set_trace()
# import pdb; pdb.set_trace()
start_chord(net)
CLI(net)
while True:
disp_cur_nodes(net)
print "1. Add Node"
print "2. Remove Node"
print "3. Details of Node"
print "4. Exit"
choice = int(input("Please enter your choice : "))
if choice == 1:
add_host(net, topo)
print 'in add node'
elif choice == 2:
remove_node(net, 'a1')
print 'in remove node'
elif choice == 3:
get_details(net)
print 'in details'
elif choice == 4:
end_chord(net)
print 'exiting'
time.sleep(1)
break
else:
print 'Invalid choice, please try again'
def startNetwork():
info( '** Creating Quagga network topology\n' )
topo = QuaggaTopo()
global net
net = Mininext(topo=topo, switch=SDXSwitch, build=False)
"Controller"
net.addController(k0)
net.addController(k1)
net.build()
info( '** Starting the network\n' )
net.start()
info( '**Adding Network Interfaces for SDX Setup\n' )
addInterfacesForSDXNetwork(net)
info( '** Running CLI\n' )
CLI( net )
def startNetwork(full=False):
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = I2()
if (full):
info("** Adding WEST and EAST\n")
add_west(topo)
add_east(topo)
global net
if (not full):
net = MiniNExT(topo, controller=OVSController)
else:
net = MiniNExT(topo, controller=RemoteController)
info('** Starting the network\n')
net.start()
config_i2(net)
if (full):
info("** Configuring WEST and EAST\n")
config_west(net)
config_east(net)
info("** Starting HTTP servers on EAST\n")
starthttp(net.getNodeByName('server1'))
starthttp(net.getNodeByName('server2'))
# info('** Dumping host connections\n')
# dumpNodeConnections(net.hosts)
#
# info('** Dumping host processes\n')
# for host in net.hosts:
# host.cmdPrint("ps aux")
return net
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
# assign IPs to interfaces.
topo.setIP(net)
# change IP forwarding variable to 1
for host in net.hosts:
host.cmd("echo '1' > /proc/sys/net/ipv4/ip_forward")
pingh1h2Convergence()
#linkDown()
# info('** Dumping host connections\n')
# dumpNodeConnections(net.hosts)
#info('** Dumping host processes\n')
#for host in net.hosts:
# host.cmdPrint("ps aux")
# net.get('h1').cmdPrint("python /home/riplite.py h1 &")
# net.get('h2').cmdPrint("python /home/riplite.py h2 &")
# net.get('r1').cmdPrint("python /home/riplite.py r1 &")
# net.get('r2').cmdPrint("python /home/riplite.py r2 &")
# net.get('r3').cmdPrint("python /home/riplite.py r3 &")
# net.get('r4').cmdPrint("python /home/riplite.py r4 &")
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
start = timeit.default_timer()
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
for host in net.hosts:
if host.name == 'R1':
host.setIP('192.168.102.2/24', intf='R1-eth1')
host.setIP('192.168.103.2/24', intf='R1-eth2')
if host.name == 'R2':
host.setIP('192.168.104.1/24', intf='R2-eth1')
if host.name == 'R3':
host.setIP('192.168.105.1/24', intf='R3-eth1')
if host.name == 'R4':
host.setIP('192.168.104.2/24', intf='R4-eth1')
host.setIP('192.168.105.2/24', intf='R4-eth2')
host.cmd("sysctl -w net.ipv4.ip_forward=1")
info('** Testing network connectivity\n')
for host in net.hosts:
if host.name == 'H1':
host.cmdPrint('ping -c4 192.168.106.128')
end = timeit.default_timer()
elapsed = end - start
info('** Setup Time - ', elapsed, 's\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net, node_dict
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
node_dict['H1'] = net.hosts[0]
node_dict['R1'] = net.hosts[1]
node_dict['R2'] = net.hosts[2]
node_dict['R3'] = net.hosts[3]
node_dict['R4'] = net.hosts[4]
node_dict['R5'] = net.hosts[5]
node_dict['R6'] = net.hosts[6]
node_dict['R7'] = net.hosts[7]
node_dict['R8'] = net.hosts[8]
info('** Enabling ip forwarding on all hosts')
for host in net.hosts:
host.cmdPrint("echo 1 > /proc/sys/net/ipv4/ip_forward")
setup_ip()
add_static_routes()
setup_relaying()
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def config_dumbbell(topo):
global net
net = MiniNExT(topo, controller=OVSController, link=TCLink)
info("*** Creating links between nodes in dumbbell topology\n")
net.addLink(net.getNodeByName("client1"),
net.getNodeByName("router1"),
intfName1="meth1",
intfName2="client1")
net.addLink(net.getNodeByName("client2"),
net.getNodeByName("router1"),
intfName1="meth1",
intfName2="client2")
net.addLink(net.getNodeByName("router1"),
net.getNodeByName("router2"),
intfName1="router2",
intfName2="router1",
bw=1)
net.addLink(net.getNodeByName("server1"),
net.getNodeByName("router2"),
intfName1="meth1",
intfName2="server1")
net.addLink(net.getNodeByName("server2"),
net.getNodeByName("router2"),
intfName1="meth1",
intfName2="server2")
info(
"*** Configuring IP addresses and routing tables in dumbbell topology\n"
)
client1 = net.getNodeByName("client1")
client1.cmd("ifconfig meth1 %s/24 up" % ("10.0.1.1"))
client1.cmd("route add default gw %s meth1" % ("10.0.1.2"))
client1.cmd("iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP")
client2 = net.getNodeByName("client2")
client2.cmd("ifconfig meth1 %s/24 up" % ("10.0.2.1"))
client2.cmd("route add default gw %s meth1" % ("10.0.2.2"))
client2.cmd("iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP")
server1 = net.getNodeByName("server1")
server1.cmd("ifconfig meth1 %s/24 up" % ("12.0.1.1"))
server1.cmd("route add default gw %s meth1" % ("12.0.1.2"))
server1.cmd("iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP")
server2 = net.getNodeByName("server2")
server2.cmd("ifconfig meth1 %s/24 up" % ("12.0.2.1"))
server2.cmd("route add default gw %s meth1" % ("12.0.2.2"))
server2.cmd("iptables -A OUTPUT -p tcp --tcp-flags RST RST -j DROP")
router1 = net.getNodeByName("router1")
router1.cmd("ifconfig client1 %s/24 up" % ("10.0.1.2"))
router1.cmd("ifconfig client2 %s/24 up" % ("10.0.2.2"))
router1.cmd("ifconfig router2 %s/24 up" % ("11.0.1.1"))
router1.cmd("route add -net %s/8 gw %s dev router2" %
("12.0.0.0", "11.0.1.2"))
router1.cmd("route add -net %s/24 gw %s dev client1" %
("10.0.1.0", "10.0.1.1"))
router1.cmd("route add -net %s/24 gw %s dev client2" %
("10.0.2.0", "10.0.2.1"))
router2 = net.getNodeByName("router2")
router2.cmd("ifconfig server1 %s/24 up" % ("12.0.1.2"))
router2.cmd("ifconfig server2 %s/24 up" % ("12.0.2.2"))
router2.cmd("ifconfig router1 %s/24 up" % ("11.0.1.2"))
router2.cmd("route add -net %s/8 gw %s dev router1" %
("10.0.0.0", "11.0.1.1"))
router2.cmd("route add -net %s/24 gw %s dev server1" %
("12.0.1.0", "12.0.1.1"))
router2.cmd("route add -net %s/24 gw %s dev server2" %
("12.0.2.0", "12.0.2.1"))
return net
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Dumping host processes\n')
# for host in net.hosts:
# host.cmdPrint("ps aux")
# for host in net.hosts:
# host.cmdPrint('ifconfig')
# Enabling IP forwarding
net.get("R1").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R2").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R3").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R4").cmd("sysctl -w net.ipv4.ip_forward=1")
# Setting Interface IPs
net.get("R1").cmd("ifconfig R1-eth1 172.0.2.1/24")
net.get("R1").cmd("ifconfig R1-eth2 172.0.6.2/24")
net.get("R2").cmd("ifconfig R2-eth1 172.0.3.1/24")
net.get("R4").cmd("ifconfig R4-eth1 172.0.3.2/24")
net.get("R4").cmd("ifconfig R4-eth2 172.0.5.1/24")
net.get("R3").cmd("ifconfig R3-eth1 172.0.5.2/24")
# Static Routes from R1 to R2
net.get("H1").cmd("route add default gw 172.0.1.2")
net.get("R1").cmd("ip route add 172.0.3.0/24 via 172.0.2.2 dev R1-eth1")
net.get("R1").cmd("ip route add 172.0.4.0/24 via 172.0.2.2 dev R1-eth1")
net.get("R2").cmd("ip route add 172.0.4.0/24 via 172.0.3.2 dev R2-eth1")
# Allowing Nating ar each router in the path from H1 to H2
net.get("R1").cmd("iptables -t nat -A POSTROUTING -o R1-eth1 -j MASQUERADE")
net.get("R1").cmd("iptables -A FORWARD -i R1-eth1 -o R1-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT")
net.get("R1").cmd("iptables -A FORWARD -i R1-eth0 -o R1-eth1 -j ACCEPT")
net.get("R2").cmd("iptables -t nat -A POSTROUTING -o R2-eth1 -j MASQUERADE")
net.get("R2").cmd("iptables -A FORWARD -i R2-eth1 -o R2-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT")
net.get("R2").cmd("iptables -A FORWARD -i R2-eth0 -o R2-eth1 -j ACCEPT")
net.get("R4").cmd("iptables -t nat -A POSTROUTING -o R4-eth0 -j MASQUERADE")
net.get("R4").cmd("iptables -A FORWARD -i R4-eth0 -o R4-eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT")
net.get("R4").cmd("iptables -A FORWARD -i R4-eth1 -o R4-eth0 -j ACCEPT")
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
net.get("r1").cmd("sysctl net.ipv4.ip_forward=1")
net.get("r2").cmd("sysctl net.ipv4.ip_forward=1")
net.get("r3").cmd("sysctl net.ipv4.ip_forward=1")
net.get("r4").cmd("sysctl net.ipv4.ip_forward=1")
net.get("r1").cmd("ifconfig r1-eth1 192.0.2.2/24")
#net.get("r1").cmd("ip route add 192.0.1.0/24 via 192.0.2.2")
net.get("r2").cmd("ip route add 192.0.1.0/24 via 192.0.2.2")
net.get("r2").cmd("ifconfig r2-eth1 192.0.5.1/24")
net.get("r2").cmd("ip route add 192.0.4.0/24 via 192.0.5.2")
net.get("r4").cmd("ifconfig r4-eth2 192.0.5.2/24")
net.get("r4").cmd("ip route add 192.0.2.0/24 via 192.0.5.1")
net.get("r4").cmd("ip route add 192.0.1.0/24 via 192.0.5.1")
net.get("r1").cmd("ip route add 192.0.5.0/24 via 192.0.2.1")
net.get("r1").cmd("ip route add 192.0.4.0/24 via 192.0.2.1")
net.get("h1").cmd("route add default gw 192.0.1.1")
net.get("h2").cmd("route add default gw 192.0.4.1")
net.get("r1").cmd("ifconfig r1-eth2 192.0.3.2/24")
net.get("r3").cmd("ip route add 192.0.1.0/24 via 192.0.3.2")
net.get("r1").cmd("ip route add 192.0.6.0/24 via 192.0.3.1")
net.get("r3").cmd("ifconfig r3-eth1 192.0.6.1/24")
net.get("r4").cmd("ifconfig r4-eth1 192.0.6.2/24")
net.get("r3").cmd("ip route add 192.0.4.0/24 via 192.0.6.2")
net.get("r1").cmd("ip route add 192.0.3.0/24 via 192.0.6.1")
net.get("r2").cmd("ip route add 192.0.3.0/24 via 192.0.2.2")
net.get("r2").cmd("ip route add 192.0.6.0/24 via 192.0.5.2")
net.get("r3").cmd("ip route add 192.0.2.0/24 via 192.0.3.2")
net.get("r3").cmd("ip route add 192.0.5.0/24 via 192.0.6.2")
net.get("r4").cmd("ip route add 192.0.3.0/24 via 192.0.6.1")
net.get("r1").cmd("python /home/mininet/myfolder/server_class.py R1 &")
net.get("r2").cmd("python /home/mininet/myfolder/server_class.py R2 &")
net.get("r3").cmd("python /home/mininet/myfolder/server_class.py R3 &")
net.get("r4").cmd("python /home/mininet/myfolder/server_class.py R4 &")
net.get("h1").cmd("python /home/mininet/myfolder/server_class.py H1 &")
net.get("h2").cmd("python /home/mininet/myfolder/server_class.py H2 &")
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
h2IPAddress = "192.0.0.213"
for i in range(2, 6):
if i == 2:
net.hosts[i].cmdPrint("ip addr add 192.0.0.201/30 dev R1-eth2")
net.hosts[i].cmdPrint("ip addr add 192.0.0.197/30 dev R1-eth1")
elif i == 3:
net.hosts[i].cmdPrint("ip addr add 192.0.0.209/30 dev R2-eth1")
elif i == 4:
net.hosts[i].cmdPrint("ip addr add 192.0.0.205/30 dev R3-eth1")
elif i == 5:
net.hosts[i].cmdPrint("ip addr add 192.0.0.206/30 dev R4-eth1")
net.hosts[i].cmdPrint("ip addr add 192.0.0.214/30 dev R4-eth2")
for host in net.hosts:
host.cmdPrint("ps aux")
host.cmdPrint("echo 1 > /proc/sys/net/ipv4/ip_forward")
for i in range(len(net.hosts)):
if i == 0:
net.hosts[i].cmdPrint("route add default gw 192.0.0.194")
elif i == 1:
net.hosts[i].cmdPrint("route add default gw 192.0.0.214")
if argument == "1":
startTime = time.time()
check = 'random'
print("Checking Time taken by H1 to ping H2...Wait")
while ' 0% packet loss' not in check:
check = net.hosts[0].cmdPrint('ping -c10 ' + h2IPAddress)
if ' 0% packet loss' not in check:
print("Not able to ping in this ping..Trying again")
print(check)
endTime = time.time()
print('H1 to H2 pinging time= ', (endTime - startTime), 'sec')
if argument == "2":
startTime = time.time()
check = 1
print("Checking Convergence Time....Wait")
while check != 0:
check = net.pingAll()
if check != 0:
print("Not converged in this ping...Trying again")
endTime = time.time()
print('Convergence time= ', (endTime - startTime), 'sec')
print('Do R1-R2 Link down')
startTime = time.time()
net.configLinkStatus('R1', 'R2', 'down')
print("Link Down...Checking convergence Time")
check = 'random'
while ' 0% packet loss' not in check:
check = net.hosts[0].cmdPrint('ping -c10 ' + h2IPAddress)
if ' 0% packet loss' not in check:
print("Not able to ping in this ping..Trying again")
print(check)
endTime = time.time()
print('H1 to H2 pinging time= ', (endTime - startTime), 'sec')
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
print("Arun testing Start")
h1 = net.getNodeByName('H1')
h2 = net.getNodeByName('H2')
r1 = net.getNodeByName('R1')
r1.cmdPrint('ip address add 192.0.2.1/24 dev R1-eth1')
r1.cmdPrint('ip address add 192.0.3.1/24 dev R1-eth2')
r2 = net.getNodeByName('R2')
r2.cmdPrint('ip address add 192.0.4.1/24 dev R2-eth1')
r4 = net.getNodeByName('R4')
r4.cmdPrint('ip address add 192.0.5.2/24 dev R4-eth2')
r4.cmdPrint('ip address add 192.0.4.2/24 dev R4-eth1')
r3 = net.getNodeByName('R3')
r3.cmdPrint('ip address add 192.0.5.1/24 dev R3-eth1')
info('** Enabling Ip forwarding\n')
for host in net.hosts:
host.cmdPrint("echo 1 > /proc/sys/net/ipv4/ip_forward")
info('**** Setting static routes*******')
h1.cmdPrint('ip route add 192.0.6.0/24 via 192.0.1.2 dev H1-eth0')
h1.cmdPrint('ip route add 192.0.2.0/24 via 192.0.1.2 dev H1-eth0')
h1.cmdPrint('ip route add 192.0.4.0/24 via 192.0.1.2 dev H1-eth0')
h1.cmdPrint('ip route add 192.0.3.0/24 via 192.0.1.2 dev H1-eth0')
h1.cmdPrint('ip route add 192.0.5.0/24 via 192.0.1.2 dev H1-eth0')
r1.cmdPrint('ip route add 192.0.6.0/24 via 192.0.2.2 dev R1-eth1')
r1.cmdPrint('ip route add 192.0.4.0/24 via 192.0.2.2 dev R1-eth1')
r1.cmdPrint('ip route add 192.0.5.0/24 via 192.0.3.2 dev R1-eth2')
r2.cmdPrint('ip route add 192.0.6.0/24 via 192.0.4.2 dev R2-eth1')
r2.cmdPrint('ip route add 192.0.4.0/24 via 192.0.4.2 dev R2-eth1')
r2.cmdPrint('ip route add 192.0.1.0/24 via 192.0.2.1 dev R2-eth0')
r2.cmdPrint('ip route add 192.0.3.0/24 via 192.0.2.1 dev R2-eth0')
h2.cmdPrint('ip route add 192.0.1.0/24 via 192.0.6.1 dev H2-eth0')
h2.cmdPrint('ip route add 192.0.2.0/24 via 192.0.6.1 dev H2-eth0')
h2.cmdPrint('ip route add 192.0.3.0/24 via 192.0.6.1 dev H2-eth0')
h2.cmdPrint('ip route add 192.0.4.0/24 via 192.0.6.1 dev H2-eth0')
h2.cmdPrint('ip route add 192.0.5.0/24 via 192.0.6.1 dev H2-eth0')
r4.cmdPrint('ip route add 192.0.2.0/24 via 192.0.4.1 dev R4-eth1')
r4.cmdPrint('ip route add 192.0.1.0/24 via 192.0.4.1 dev R4-eth1')
r4.cmdPrint('ip route add 192.0.3.0/24 via 192.0.5.1 dev R4-eth2')
r3.cmdPrint('ip route add 192.0.1.0/24 via 192.0.3.1 dev R3-eth0')
r3.cmdPrint('ip route add 192.0.6.0/24 via 192.0.5.2 dev R3-eth1')
r3.cmdPrint('ip route add 192.0.2.0/24 via 192.0.3.1 dev R3-eth0')
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=None)
info('** Adding the controller\n')
# Adding the remote controller
#controller = net.addController('c1', controller=RemoteController, ip='2.0.0.4', port=6633)
net.start()
info('** Adding the links\n')
# Create the full topology, including the SWIFTED router
Link(net.getNodeByName('r1'),
net.getNodeByName('r2'),
intfName1='r2',
intfName2='r1')
Link(net.getNodeByName('r3'),
net.getNodeByName('r5'),
intfName1='r5',
intfName2='r3')
Link(net.getNodeByName('r4'),
net.getNodeByName('r5'),
intfName1='r5',
intfName2='r4')
Link(net.getNodeByName('r5'),
net.getNodeByName('r6'),
intfName1='r6',
intfName2='r5')
# Configuring host r1
node = net.getNodeByName('r1')
node.cmd('ifconfig r2 1.0.0.2/24')
node.cmd('route add default gw 1.0.0.1')
# Configuring r5 and r6
node = net.getNodeByName('r5')
node.cmd('/root/.disable_rp_filtering.sh')
node = net.getNodeByName('r6')
node.cmd('/root/.disable_rp_filtering.sh')
node.cmd('ifconfig r5 6.0.0.2/24')
node.cmd('ifconfig lo 109.207.108.1/24'
) ## CHange based on the bview R6 is advertising
node.cmd('route add default gw 6.0.0.1')
# Setting the right MAC addresses
node = net.getNodeByName('r2')
node.cmd('ip link set dev s1 address 20:00:00:00:00:01')
node.cmd('/root/.disable_rp_filtering.sh')
node.cmd('arp -s 2.0.0.2 20:00:00:00:00:02')
node.cmd('arp -s 2.0.0.3 20:00:00:00:00:03')
node.cmd('arp -s 2.0.0.4 20:00:00:00:00:04')
node = net.getNodeByName('r3')
node.cmd('ip link set dev s1 address 20:00:00:00:00:02')
node.cmd('/root/.disable_rp_filtering.sh')
node.cmd('arp -s 2.0.0.1 20:00:00:00:00:01')
node.cmd('arp -s 2.0.0.3 20:00:00:00:00:03')
node.cmd('arp -s 2.0.0.4 20:00:00:00:00:04')
node = net.getNodeByName('r4')
node.cmd('ip link set dev s1 address 20:00:00:00:00:03')
node.cmd('/root/.disable_rp_filtering.sh')
node.cmd('arp -s 2.0.0.1 20:00:00:00:00:01')
node.cmd('arp -s 2.0.0.2 20:00:00:00:00:02')
node.cmd('arp -s 2.0.0.4 20:00:00:00:00:04')
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
#info('** Testing network connectivity\n')
#net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Dumping host processes\n')
# for host in net.hosts:
# host.cmdPrint("ps aux")
# for host in net.hosts:
# host.cmdPrint('ifconfig')
# Enabling IP forwarding
net.get("R1").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R2").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R3").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R4").cmd("sysctl -w net.ipv4.ip_forward=1")
# Setting Interface IPs
net.get("R1").cmd("ifconfig R1-eth1 172.0.2.1/24")
net.get("R1").cmd("ifconfig R1-eth2 172.0.6.2/24")
net.get("R2").cmd("ifconfig R2-eth1 172.0.3.1/24")
net.get("R4").cmd("ifconfig R4-eth1 172.0.3.2/24")
net.get("R4").cmd("ifconfig R4-eth2 172.0.5.1/24")
net.get("R3").cmd("ifconfig R3-eth1 172.0.5.2/24")
# Static Routes from R1 to R2
net.get("H1").cmd("route add default gw 172.0.1.2")
net.get("R1").cmd("ip route add 172.0.3.0/24 via 172.0.2.2 dev R1-eth1")
net.get("R1").cmd("ip route add 172.0.4.0/24 via 172.0.2.2 dev R1-eth1")
net.get("R2").cmd("ip route add 172.0.4.0/24 via 172.0.3.2 dev R2-eth1")
# Allowing Nating ar each router in the path from H1 to H2
net.get("R1").cmd(
"iptables -t nat -A POSTROUTING -o R1-eth1 -j MASQUERADE")
net.get("R1").cmd(
"iptables -A FORWARD -i R1-eth1 -o R1-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT"
)
net.get("R1").cmd("iptables -A FORWARD -i R1-eth0 -o R1-eth1 -j ACCEPT")
net.get("R2").cmd(
"iptables -t nat -A POSTROUTING -o R2-eth1 -j MASQUERADE")
net.get("R2").cmd(
"iptables -A FORWARD -i R2-eth1 -o R2-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT"
)
net.get("R2").cmd("iptables -A FORWARD -i R2-eth0 -o R2-eth1 -j ACCEPT")
net.get("R4").cmd(
"iptables -t nat -A POSTROUTING -o R4-eth0 -j MASQUERADE")
net.get("R4").cmd(
"iptables -A FORWARD -i R4-eth0 -o R4-eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT"
)
net.get("R4").cmd("iptables -A FORWARD -i R4-eth1 -o R4-eth0 -j ACCEPT")
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
"""net.get("r1").cmd('service quagga restart')
net.get("r1").cmd('chown quagga:quaggavty /etc/quagga/*.conf')
net.get("r1").cmd('chmod 640 /etc/quagga/*.conf')
net.get("r2").cmd('service quagga restart')
net.get("r2").cmd('chown quagga:quaggavty /etc/quagga/*.conf')
net.get("r2").cmd('chmod 640 /etc/quagga/*.conf')
net.get("r3").cmd('service quagga restart')
net.get("r3").cmd('chown quagga:quaggavty /etc/quagga/*.conf')
net.get("r3").cmd('chmod 640 /etc/quagga/*.conf')
net.get("r4").cmd('service quagga restart')
net.get("r4").cmd('chown quagga:quaggavty /etc/quagga/*.conf')
net.get("r4").cmd('chmod 640 /etc/quagga/*.conf')"""
net.get("r1").cmd('sysctl net.ipv4.ip_forward=1')
net.get("r2").cmd('sysctl net.ipv4.ip_forward=1')
net.get("r3").cmd('sysctl net.ipv4.ip_forward=1')
net.get("r4").cmd('sysctl net.ipv4.ip_forward=1')
net.get("h1").cmd('sysctl net.ipv4.ip_forward=1')
net.get("h2").cmd('sysctl net.ipv4.ip_forward=1')
# net.get("h1").cmd("route add default gw 192.0.1.1")
# net.get("h2").cmd("route add default gw 192.0.4.1")
ts = time.time()
j = 0
while (j < 20):
loss = net.ping(net.hosts)
if (loss == 0):
#print "my loss:", loss
te = time.time()
break
j += 1
print "td:", te - ts
# info('** Testing network connectivity\n')
#net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Dumping host processes\n')
# enabing the rout forwarding for each router
net.get("R1").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R2").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R3").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R4").cmd("sysctl -w net.ipv4.ip_forward=1")
# assigning interface IPs for each
net.get("R1").cmd("ifconfig R1-eth1 172.0.2.1/24")
net.get("R1").cmd("ifconfig R1-eth2 172.0.6.2/24")
net.get("R2").cmd("ifconfig R2-eth1 172.0.3.1/24")
net.get("R3").cmd("ifconfig R3-eth1 172.0.5.2/24")
net.get("R4").cmd("ifconfig R4-eth1 172.0.3.2/24")
net.get("R4").cmd("ifconfig R4-eth2 172.0.5.1/24")
# Network test
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
# Need to assign IPs to all the interfaces in the topology created
info('** Assigning IPs to interfaces\n')
net.get('r1').cmd('ip address add 173.0.3.3/16 dev r1-eth1')
net.get('r1').cmd('ip address add 174.0.3.4/16 dev r1-eth2')
net.get('r2').cmd('ip address add 175.0.3.5/16 dev r2-eth1')
net.get('r3').cmd('ip address add 176.0.3.6/16 dev r3-eth1')
net.get('r4').cmd('ip address add 176.0.4.2/16 dev r4-eth1')
net.get('r4').cmd('ip address add 177.0.4.3/16 dev r4-eth2')
# Setting IP Forwarding to 1
net.get('h1').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
net.get('h2').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
net.get('r1').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
net.get('r2').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
net.get('r3').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
net.get('r4').cmd('echo 1 > /proc/sys/net/ipv4/ip_forward')
# Creating new static routes
net.get('h1').cmd('ip route add 0.0.0.0/0 via 172.0.2.1')
net.get('r1').cmd('ip route add 175.0.0.0/16 via 173.0.3.2')
net.get('r1').cmd('ip route add 177.0.0.0/16 via 173.0.3.2')
net.get('r1').cmd('ip route add 176.0.0.0/16 via 174.0.3.1')
net.get('r2').cmd('ip route add 177.0.0.0/16 via 175.0.4.1')
net.get('r2').cmd('ip route add 174.0.0.0/16 via 173.0.3.3')
net.get('r2').cmd('ip route add 176.0.0.0/16 via 175.0.4.1')
net.get('r2').cmd('ip route add 172.0.0.0/16 via 173.0.3.3')
net.get('r3').cmd('ip route add 177.0.0.0/16 via 176.0.4.2')
net.get('r3').cmd('ip route add 173.0.0.0/16 via 174.0.3.4')
net.get('r3').cmd('ip route add 175.0.0.0/16 via 176.0.3.6')
net.get('r3').cmd('ip route add 172.0.0.0/16 via 174.0.3.4')
net.get('r4').cmd('ip route add 173.0.0.0/16 via 175.0.3.5')
net.get('r4').cmd('ip route add 174.0.0.0/16 via 176.0.3.6')
net.get('r4').cmd('ip route add 172.0.0.0/16 via 176.0.3.6')
net.get('h2').cmd('ip route add 0.0.0.0/0 via 177.0.4.3')
net.get('r1').cmd(
'iptables -A FORWARD -i r1-eth0 -o r1-eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT'
)
net.get('r1').cmd('iptables -A FORWARD -i r1-eth0 -o r1-eth1 -j ACCEPT')
net.get('r2').cmd(
'iptables -t nat -A POSTROUTING -o r2-eth1 -j MASQUERADE')
net.get('r2').cmd(
'iptables -A FORWARD -i r2-eth0 -o r2-eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT'
)
net.get('r2').cmd('iptables -A FORWARD -i r2-eth0 -o r2-eth1 -j ACCEPT')
net.get('r4').cmd(
'iptables -t nat -A POSTROUTING -o r4-eth1 -j MASQUERADE')
net.get('r4').cmd(
'iptables -A FORWARD -i r4-eth1 -o r4-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT'
)
net.get('r4').cmd('iptables -A FORWARD -i r4-eth1 -o r4-eth0 -j ACCEPT')
net.get('r4').cmd('iptables -A FORWARD -i r4-eth0 -o r4-eth2 -j ACCEPT')
net.get('r4').cmd(
'iptables -A FORWARD -i r4-eth0 -o r4-eth2 -m state --state RELATED,ESTABLISHED -j ACCEPT'
)
net.get('r4').cmd(
'iptables -t nat -A POSTROUTING -o r4-eth2 -j MASQUERADE')
net.get('r3').cmd('iptables -A FORWARD -i r3-eth1 -o r3-eth0 -j ACCEPT')
net.get('r3').cmd(
'iptables -A FORWARD -i r3-eth1 -o r3-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT'
)
net.get('r3').cmd(
'iptables -t nat -A POSTROUTING -o r3-eth0 -j MASQUERADE')
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
host.cmd(cmdList)
# Otherwise run all the commands in the list
else:
for c in cmdList:
host.cmd(c)
if __name__ == "__main__":
if len(argv) < 2:
print "usage: sudo python emulator.py config"
exit()
script, filename = argv
data = open(filename)
config = load(data)
setLogLevel("info")
try:
net = MiniNExT(JAMTopo(config), controller=OVSController, link=TCLink,
host=CPULimitedHost, switch=OVSKernelSwitch)
setupIntfs(net, config)
net.start()
# Configure and start NAT connectivity
# rootnode = connectToInternet(net, config["switch"][0]["name"])
# print "*** Hosts are running and should have internet connectivity"
runCmds(net, config)
print "*** Type 'exit' or control-D to shut down network"
CLI(net)
# Shut down NAT
# stopNAT(rootnode)
net.stop()
except:
cleanup()
raise
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
for host in net.hosts:
if host.name == 'H1':
host.cmd(
'ip route add 192.168.102.0/24 via 192.168.101.1 dev H1-eth0')
host.cmd(
'ip route add 192.168.103.0/24 via 192.168.101.1 dev H1-eth0')
host.cmd(
'ip route add 192.168.104.0/24 via 192.168.101.1 dev H1-eth0')
host.cmd(
'ip route add 192.168.105.0/24 via 192.168.101.1 dev H1-eth0')
host.cmd(
'ip route add 192.168.106.0/24 via 192.168.101.1 dev H1-eth0')
if host.name == 'R1':
host.setIP('192.168.102.2/24', intf='R1-eth1')
host.setIP('192.168.103.2/24', intf='R1-eth2')
host.cmd(
'ip route add 192.168.104.0/24 via 192.168.102.1 dev R1-eth1')
host.cmd(
'ip route add 192.168.105.0/24 via 192.168.103.1 dev R1-eth2')
host.cmd(
'ip route add 192.168.106.0/24 via 192.168.102.1 dev R1-eth1')
if host.name == 'R2':
host.setIP('192.168.104.1/24', intf='R2-eth1')
host.cmd(
'ip route add 192.168.101.0/24 via 192.168.102.2 dev R2-eth0')
host.cmd(
'ip route add 192.168.103.0/24 via 192.168.102.2 dev R2-eth0')
host.cmd(
'ip route add 192.168.105.0/24 via 192.168.104.2 dev R2-eth1')
host.cmd(
'ip route add 192.168.106.0/24 via 192.168.104.2 dev R2-eth1')
if host.name == 'R3':
host.setIP('192.168.105.1/24', intf='R3-eth1')
host.cmd(
'ip route add 192.168.101.0/24 via 192.168.103.2 dev R3-eth0')
host.cmd(
'ip route add 192.168.102.0/24 via 192.168.103.2 dev R3-eth0')
host.cmd(
'ip route add 192.168.104.0/24 via 192.168.105.2 dev R3-eth1')
host.cmd(
'ip route add 192.168.106.0/24 via 192.168.105.2 dev R3-eth1')
if host.name == 'R4':
host.setIP('192.168.104.2/24', intf='R4-eth1')
host.setIP('192.168.105.2/24', intf='R4-eth2')
host.cmd(
'ip route add 192.168.101.0/24 via 192.168.104.1 dev R4-eth1')
host.cmd(
'ip route add 192.168.102.0/24 via 192.168.104.1 dev R4-eth1')
host.cmd(
'ip route add 192.168.103.0/24 via 192.168.105.1 dev R4-eth2')
if host.name == 'H2':
host.cmd(
'ip route add 192.168.101.0/24 via 192.168.106.1 dev H2-eth0')
host.cmd(
'ip route add 192.168.102.0/24 via 192.168.106.1 dev H2-eth0')
host.cmd(
'ip route add 192.168.103.0/24 via 192.168.106.1 dev H2-eth0')
host.cmd(
'ip route add 192.168.104.0/24 via 192.168.106.1 dev H2-eth0')
host.cmd(
'ip route add 192.168.105.0/24 via 192.168.106.1 dev H2-eth0')
host.cmd("sysctl -w net.ipv4.ip_forward=1")
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmd("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork(topo_info, router_lo, init_quagga_configs, group_number):
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaInternet2Topo(topo_info, router_lo)
global net
#net = MiniNExT(topo, controller=OVSController)
net = MiniNExT(topo, controller=RemoteController)
info('** Adding Static networks\n')
addStaticNet(net)
info('** Starting the network\n')
net.start()
info('** Setting Static network\n')
setStaticNet(net, group_number)
info('** Adding links and loopback interfaces')
links_set = Set()
for router_name, ngh_list in topo_info.items():
for ngh in ngh_list:
# Make sure to only create one link between two routers
if ngh + router_name not in links_set:
print 'Link added between ' + str(router_name) + ' and ' + str(
ngh)
Link(net.getNodeByName(router_name),
net.getNodeByName(ngh),
intfName1=ngh.lower(),
intfName2=router_name.lower())
links_set.add(router_name + ngh)
# Add link to the host
Link(net.getNodeByName(router_name),
net.getNodeByName(router_name + '-host'),
intfName1='host',
intfName2=router_name.lower())
info('** Configuring the IP addresses **\n')
for router_name in topo_info:
node = net.getNodeByName(router_name)
node.cmd('ifconfig ebgp_peer 0 up')
#node.cmd('ifconfig lo '+router_lo[router_name]+'/24 up')
for ngh, ip in topo_info[router_name].items():
intf_name = ngh.lower()
if init_quagga_configs:
node.cmd('ifconfig ' + intf_name + ' 0.0.0.0/0 up')
#else:
# node.cmd('ifconfig '+intf_name+' '+ip+' up')
node = net.getNodeByName('HOUS')
node.cmd('ifconfig mgt 0.0.0.0/0 up')
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
info('** Disabled **\n')
#net.ping(net.hosts)
info('** Dumping host processes\n')
for host in net.hosts:
if host.name in ['server1', 'server2']:
continue
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
stopStaticNet(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
# part A1
net.get('H1').cmd('ifconfig H1-eth0 170.1.1.1/24')
net.get('H2').cmd('ifconfig H2-eth0 175.7.7.2/24')
net.get('R1').cmd('ifconfig R1-eth0 170.1.1.2/24')
net.get('R1').cmd('ifconfig R1-eth1 171.1.1.1/24')
net.get('R1').cmd('ifconfig R1-eth2 172.1.1.1/24')
net.get('R2').cmd('ifconfig R2-eth0 171.1.1.2/24')
net.get('R2').cmd('ifconfig R2-eth1 173.1.1.2/24')
net.get('R3').cmd('ifconfig R3-eth0 172.1.1.2/24')
net.get('R3').cmd('ifconfig R3-eth1 174.1.1.2/24')
net.get('R4').cmd('ifconfig R4-eth0 175.7.7.1/24')
net.get('R4').cmd('ifconfig R4-eth1 173.1.1.1/24')
net.get('R4').cmd('ifconfig R4-eth2 174.1.1.1/24')
#change the IP forwarding variable to 1
net.get('H1').cmd('sysctl -w net.ipv4.ip_forward=1')
net.get('H2').cmd('sysctl -w net.ipv4.ip_forward=1')
net.get('R1').cmd('sysctl -w net.ipv4.ip_forward=1')
net.get('R2').cmd('sysctl -w net.ipv4.ip_forward=1')
net.get('R3').cmd('sysctl -w net.ipv4.ip_forward=1')
net.get('R4').cmd('sysctl -w net.ipv4.ip_forward=1')
# time.sleep(3000)
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Dumping host processes\n')
# enabing the rout forwarding for each router
net.get("R1").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R2").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R3").cmd("sysctl -w net.ipv4.ip_forward=1")
net.get("R4").cmd("sysctl -w net.ipv4.ip_forward=1")
# assigning interface IPs for each
net.get("R1").cmd("ifconfig R1-eth1 172.0.2.1/24")
net.get("R1").cmd("ifconfig R1-eth2 172.0.6.2/24")
net.get("R2").cmd("ifconfig R2-eth1 172.0.3.1/24")
net.get("R3").cmd("ifconfig R3-eth1 172.0.5.2/24")
net.get("R4").cmd("ifconfig R4-eth1 172.0.3.2/24")
net.get("R4").cmd("ifconfig R4-eth2 172.0.5.1/24")
# Network test
info('** Testing network connectivity\n')
net.ping(net.hosts)
info('** Running CLI\n')
CLI(net)
def startNetwork():
"instantiates a topo, then starts the network and prints debug information"
info('** Creating Quagga network topology\n')
topo = QuaggaTopo()
info('** Starting the network\n')
global net
net = MiniNExT(topo, controller=OVSController)
net.start()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
info('** Testing network connectivity\n')
net.ping(net.hosts)
#Insert Queries
net['r1'].cmd('sysctl -w net.ipv4.ip_forward=1')
net['r2'].cmd('sysctl -w net.ipv4.ip_forward=1')
net['r3'].cmd('sysctl -w net.ipv4.ip_forward=1')
net['r4'].cmd('sysctl -w net.ipv4.ip_forward=1')
net['h1'].cmd('ip route add 172.0.2.0/24 via 172.0.1.2')
net['h1'].cmd('ip route add 172.0.3.0/24 via 172.0.1.2')
net['h1'].cmd('ip route add 172.0.4.0/24 via 172.0.1.2')
net['h1'].cmd('ip route add 172.0.5.0/24 via 172.0.1.2')
net['h1'].cmd('ip route add 172.0.6.0/24 via 172.0.1.2')
net['r1'].cmd('ip route add 172.0.4.0/24 via 172.0.2.2')
net['r1'].cmd('ip route add 172.0.5.0/24 via 172.0.3.2')
net['r1'].cmd('ip route add 172.0.6.0/24 via 172.0.2.2')
net['r2'].cmd('ip route add 172.0.1.0/24 via 172.0.2.1')
net['r2'].cmd('ip route add 172.0.3.0/24 via 172.0.2.1')
net['r2'].cmd('ip route add 172.0.5.0/24 via 172.0.4.2')
net['r2'].cmd('ip route add 172.0.6.0/24 via 172.0.4.2')
net['r3'].cmd('ip route add 172.0.1.0/24 via 172.0.3.1')
net['r3'].cmd('ip route add 172.0.2.0/24 via 172.0.3.1')
net['r3'].cmd('ip route add 172.0.4.0/24 via 172.0.5.2')
net['r3'].cmd('ip route add 172.0.6.0/24 via 172.0.5.2')
net['r4'].cmd('ip route add 172.0.2.0/24 via 172.0.4.1')
net['r4'].cmd('ip route add 172.0.3.0/24 via 172.0.5.1')
net['r4'].cmd('ip route add 172.0.1.0/24 via 172.0.4.1')
net['h2'].cmd('ip route add 172.0.2.0/24 via 172.0.6.1')
net['h2'].cmd('ip route add 172.0.3.0/24 via 172.0.6.1')
net['h2'].cmd('ip route add 172.0.4.0/24 via 172.0.6.1')
net['h2'].cmd('ip route add 172.0.5.0/24 via 172.0.6.1')
net['h2'].cmd('ip route add 172.0.1.0/24 via 172.0.6.1')
#r1 sysctl -w net.ipv4.ip_forward=1
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
CLI(net)
def simpleTest():
"""Create and test a simple network"""
net = Mininext(topo=None, build=False)
"Initialize a service helper for Quagga with default options"
quaggaSvc = QuaggaService(autoStop=False)
# Add controllers
print("Adding controllers...")
c0 = net.addController(name='c0', controller=Floodlight, ip='127.0.0.1', port=6653,
cargs='-cf src/main/resources/floodlightmininet_1.properties')
c1 = net.addController(name='c1', controller=Floodlight, ip='127.0.0.1', port=7653,
cargs='-cf src/main/resources/floodlightmininet_2.properties')
print("Adding switches...")
switch1 = net.addSwitch('switch1')
switch2 = net.addSwitch('switch2')
print("Adding hosts...")
host1 = net.addHost('host1', ip='10.0.0.1/24')
host2 = net.addHost('host2', ip='20.0.0.1/24')
print("Adding links...")
net.addLink(host1, switch1)
net.addLink(host2, switch2)
net.addLink(switch1, switch2)
print("Building network...")
print(net.hosts)
net.build()
print("Starting controllers...")
for controller in net.controllers:
controller.start()
print("Starting switches...")
net.get('switch1').start([c0])
net.get('switch2').start([c1])
CLI(net)
net.stop()
if __name__ == '__main__':
# Tell mininet to print useful information
setLogLevel('info')