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()
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():
"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)
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("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("r1").cmd("ifconfig r1-eth1 193.0.1.1")
net.get("r1").cmd("ifconfig r1-eth2 194.0.1.1")
net.get("r2").cmd("ifconfig r2-eth1 193.0.1.2")
net.get("r3").cmd("ifconfig r3-eth1 194.0.1.2")
net.get("r4").cmd("ifconfig r4-eth1 195.0.1.2")
net.get("r4").cmd("ifconfig r4-eth2 196.0.1.2")
net.get("h1").cmd("route add default gw 192.0.1.2")
net.get("h2").cmd("route add default gw 197.1.1.2")
net.get("r1").cmd("ip route add 197.1.1.0/24 via 193.0.1.2")
net.get("r1").cmd("ip route add 195.0.1.0/24 via 193.0.1.2")
net.get("r2").cmd("ip route add 197.1.1.0/24 via 195.0.1.2")
net.get("r4").cmd("ip route add 193.0.1.0/24 via 195.0.1.1")
net.get("r4").cmd("ip route add 192.0.1.0/24 via 195.0.1.1")
net.get("r2").cmd("ip route add 192.0.1.0/24 via 193.0.1.1")
net.get("r1").cmd("ip route add 196.0.1.0/24 via 194.0.1.2")
net.get("r3").cmd("ip route add 197.1.1.0/24 via 196.0.1.2")
net.get("r4").cmd("ip route add 194.0.1.0/24 via 196.0.1.1")
net.get("r3").cmd("ip route add 192.0.1.0/24 via 194.0.1.1")
net.get("r3").cmd("ip route add 195.0.1.0/24 via 196.0.1.2")
net.get("r2").cmd("ip route add 194.0.1.0/24 via 193.0.1.1")
net.get("r3").cmd("ip route add 193.0.1.0/24 via 194.0.1.1")
net.get("r2").cmd("ip route add 196.0.1.0/24 via 195.0.1.2")
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, 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():
"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():
"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():
"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():
"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)
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():
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():
"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')
# Set 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')
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)
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 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=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)
#!/usr/bin/python
"""Example network of Quagga routers(QuaggaTopo + QuaggaService)"""
import sysimport atexit
# patch isShellBuiltinimport mininet.utilimport mininext.utilmininet.util.isShellBuiltin = mininext.util.isShellBuiltinsys.modules['mininet.util'] = mininet.util
from mininet.util import dumpNodeConnectionsfrom mininet.node import OVSControllerfrom mininet.log import setLogLevel, info
from mininext.cli import CLIfrom mininext.net import MiniNExT
from topo import QuaggaTopo
net = None
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 stopNetwork(): "stops a network (only called on a forced cleanup)"
if net is not None: info('** Tearing down Quagga network\n') net.stop()
if __name__ == '__main__': # Force cleanup on exit by registering a cleanup function atexit.register(stopNetwork)
# Tell mininet to print useful information setLogLevel('info') startNetwork()
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)
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=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 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()
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')
startTime = time.time()
while net.ping([net.get('H1'), net.get('H2')]) != 0:
endTime = time.time()
elapsedTime = endTime - startTime
print 'Elapsed Time - ', elapsedTime
continue
endTime = time.time()
elapsedTime = endTime - startTime
print 'Convergence Time - ' + str(elapsedTime) + 's'
selfPath = os.path.dirname(
os.path.abspath(inspect.getfile(inspect.currentframe())))
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint(selfPath + "/server.py " + host.name + " > " +
host.name + ".log &")
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')
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")
elif i == 2:
net.hosts[i].cmdPrint("ip route add 192.0.0.204/30 via 192.0.0.202")
net.hosts[i].cmdPrint("ip route add 192.0.0.208/30 via 192.0.0.198")
net.hosts[i].cmdPrint("ip route add 192.0.0.212/30 via 192.0.0.198")
elif i == 3:
net.hosts[i].cmdPrint("ip route add 192.0.0.192/30 via 192.0.0.197")
net.hosts[i].cmdPrint("ip route add 192.0.0.200/30 via 192.0.0.197")
net.hosts[i].cmdPrint("ip route add 192.0.0.204/30 via 192.0.0.210")
net.hosts[i].cmdPrint("ip route add 192.0.0.212/30 via 192.0.0.210")
elif i == 4:
net.hosts[i].cmdPrint("ip route add 192.0.0.192/30 via 192.0.0.201")
net.hosts[i].cmdPrint("ip route add 192.0.0.196/30 via 192.0.0.201")
net.hosts[i].cmdPrint("ip route add 192.0.0.208/30 via 192.0.0.201")
net.hosts[i].cmdPrint("ip route add 192.0.0.212/30 via 192.0.0.206")
elif i == 5:
net.hosts[i].cmdPrint("ip route add 192.0.0.192/30 via 192.0.0.205")
net.hosts[i].cmdPrint("ip route add 192.0.0.196/30 via 192.0.0.209")
net.hosts[i].cmdPrint("ip route add 192.0.0.200/30 via 192.0.0.205")
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:
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(static_routes):
"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()
t_start = datetime.now()
info('** Dumping host connections\n')
dumpNodeConnections(net.hosts)
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")
net.get("R1").cmd("ifconfig R1-eth1 172.0.2.2/24")
net.get("R1").cmd("ifconfig R1-eth2 172.0.3.2/24")
net.get("R2").cmd("ifconfig R2-eth0 172.0.2.1/24")
net.get("R2").cmd("ifconfig R2-eth1 172.0.5.1/24")
net.get("R3").cmd("ifconfig R3-eth0 172.0.3.1/24")
net.get("R3").cmd("ifconfig R3-eth1 172.0.6.1/24")
net.get("R4").cmd("ifconfig R4-eth0 172.0.4.1/24")
net.get("R4").cmd("ifconfig R4-eth1 172.0.5.2/24")
net.get("R4").cmd("ifconfig R4-eth2 172.0.6.2/24")
net.get("H2").cmd("ifconfig H2-eth0 172.0.4.2/24")
if static_routes:
net.get("R1").cmd("ip route add 172.0.5.0/24 via 172.0.2.1 dev R1-eth1")
net.get("R1").cmd("ip route add 172.0.4.0/24 via 172.0.2.1 dev R1-eth1")
net.get("R1").cmd("ip route add 172.0.4.0/24 via 172.0.3.1 dev R1-eth2")
net.get("R1").cmd("ip route add 172.0.6.0/24 via 172.0.3.1 dev R1-eth2")
net.get("R2").cmd("ip route add 172.0.1.0/24 via 172.0.2.2 dev R2-eth0")
net.get("R2").cmd("ip route add 172.0.4.0/24 via 172.0.5.2 dev R2-eth1")
net.get("R2").cmd("ip route add 172.0.3.0/24 via 172.0.2.2 dev R2-eth0")
net.get("R3").cmd("ip route add 172.0.1.0/24 via 172.0.3.2 dev R3-eth0")
net.get("R3").cmd("ip route add 172.0.2.0/24 via 172.0.3.2 dev R3-eth0")
net.get("R3").cmd("ip route add 172.0.4.0/24 via 172.0.6.2 dev R3-eth1")
net.get("R4").cmd("ip route add 172.0.2.0/24 via 172.0.5.1 dev R4-eth1")
net.get("R4").cmd("ip route add 172.0.3.0/24 via 172.0.6.1 dev R4-eth2")
net.get("R4").cmd("ip route add 172.0.1.0/24 via 172.0.5.1 dev R4-eth1")
net.get("R4").cmd("ip route add 172.0.1.0/24 via 172.0.6.1 dev R4-eth2")
net.get("R1").cmd("iptables -t nat -A POSTROUTING -o R1-eth0 -j MASQUERADE")
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-eth1 -o R1-eth0 -j ACCEPT")
net.get("R2").cmd("iptables -t nat -A POSTROUTING -o R2-eth0 -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-eth1 -o R2-eth0 -j ACCEPT")
net.get("R3").cmd("iptables -t nat -A POSTROUTING -o R3-eth1 -j MASQUERADE")
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 -A FORWARD -i R3-eth0 -o R3-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")
net.get("R4").cmd("iptables -A FORWARD -i R4-eth2 -o R4-eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT")
net.get("R4").cmd("iptables -A FORWARD -i R4-eth0 -o R4-eth2 -j ACCEPT")
info('** Testing network connectivity\n')
info('** Dumping host processes\n')
for host in net.hosts:
host.cmdPrint("ps aux")
info('** Running CLI\n')
loss = 100
while (loss > 0):
loss = net.pingAll()
t_end = datetime.now() - t_start
print "Percentage Loss: " + str(loss)
print "Route Convergence Time: " + str(t_end.total_seconds()) + "seconds"
if static_routes:
print ("[MESSAGE:] Enabling Static Routes...")
else:
print ("[MESSAGE:] Disabling Static Routes...")
CLI(net)