def connectToRootNS(network, switch, ip, routes):
root = Node('root', inNamespace=False)
intf = network.addLink(root, switch).intf1
root.setIP(ip, intf=intf)
root.setMAC("10:00:00:00:00:00")
network.start()
for route in routes:
root.cmd('route add -net ' + route + ' dev ' + str(intf))
print("route add completed=================")
for route in routes:
root.cmd('route add -net ' + route + ' dev ' + str(intf))
print("route add completed=================")
def myNet():
"Defines a custom topology on mininet."
print "*** Starting MyNet ***"
cParams = ControllerParams( '10.0.3.0', 24 )
net = Mininet( controller=RemoteController, switch=OVSKernelSwitch, cparams=cParams )
print "** Adding controller"
c = net.addController( 'c0' )
print "** Adding switches"
s1 = net.addSwitch( 's1' )
s2 = net.addSwitch( 's2' )
s3 = net.addSwitch( 's3' )
s4 = net.addSwitch( 's4' )
print "** Adding hosts"
h5 = net.addHost( 'h5', ip='10.0.3.5' )
h6 = net.addHost( 'h6', ip='10.0.3.6' )
h7 = net.addHost( 'h7', ip='10.0.3.7' )
h8 = net.addHost( 'h8', ip='10.0.3.8' )
h9 = net.addHost( 'h9', ip='10.0.3.9' )
print "** Linking switches together"
s1.linkTo( s2 )
s2.linkTo( s3 )
s2.linkTo( s4 )
print "** Linking hosts to switches"
h5.linkTo( s1 )
h6.linkTo( s3 )
h7.linkTo( s3 )
h8.linkTo( s4 )
h9.linkTo( s4 )
#print "** Setting up IP addresses"
#h5.setIP( h5.defaultIntf(), '10.0.3.5', 24)
#extraPort1 = s1.newPort()
#extraPortName1 = s1.intfName( extraPort1 )
#print "** Adding extra port to s1 - " + extraPortName1
#s1.addIntf( extraPortName1, extraPort1 )
#print "** Linking xeth0 to s1 port " + extraPortName1
#makeIntfPair( "xeth0", extraPortName1 )
#extraPort2 = s4.newPort()
#extraPortName2 = s4.intfName( extraPort2 )
#print "** Adding extra port to s4 - " + extraPortName2
#s4.addIntf( extraPortName2, extraPort2 )
#print "** Linking xeth1 to s4 port " + extraPortName2
#makeIntfPair( "xeth1", extraPortName2 )
print "** Creating extra node to enable access to others"
# Create a node in root namespace and link to switch 0
root = Node( 'root', inNamespace=False )
root.linkTo( s1 )
root.setMAC( root.defaultIntf(), "00:00:00:10:00:64" )
root.setIP( root.defaultIntf(), "10.0.3.100", 24 )
#Configure everything
s1.setMAC ( 's1-eth1', '00:00:00:10:01:01' )
s1.setMAC ( 's1-eth2', '00:00:00:10:01:02' )
s1.setMAC ( 's1-eth3', '00:00:00:10:01:03' )
s2.setMAC ( 's2-eth1', '00:00:00:10:02:01' )
s2.setMAC ( 's2-eth2', '00:00:00:10:02:02' )
s2.setMAC ( 's2-eth3', '00:00:00:10:02:03' )
s3.setMAC ( 's3-eth1', '00:00:00:10:03:01' )
s3.setMAC ( 's3-eth2', '00:00:00:10:03:02' )
s3.setMAC ( 's3-eth3', '00:00:00:10:03:03' )
s4.setMAC ( 's4-eth1', '00:00:00:10:04:01' )
s4.setMAC ( 's4-eth2', '00:00:00:10:04:02' )
s4.setMAC ( 's4-eth3', '00:00:00:10:04:03' )
s1.setIP ( s1.defaultIntf(), '10.0.3.1', 24 )
s2.setIP ( s2.defaultIntf(), '10.0.3.2', 24 )
s3.setIP ( s3.defaultIntf(), '10.0.3.3', 24 )
s4.setIP ( s4.defaultIntf(), '10.0.3.4', 24 )
h5.setMAC( h5.defaultIntf(), "00:00:00:10:00:05" )
h6.setMAC( h6.defaultIntf(), "00:00:00:10:00:06" )
h7.setMAC( h7.defaultIntf(), "00:00:00:10:00:07" )
h8.setMAC( h8.defaultIntf(), "00:00:00:10:00:08" )
h9.setMAC( h9.defaultIntf(), "00:00:00:10:00:09" )
print "** Firing up the network"
net.build()
# Try to add eth1 into s1
#print s1.cmd( 'ovs-dpctl add-if dp0 eth1' )
c.start()
s1.start( [ c ] )
s2.start( [ c ] )
s3.start( [ c ] )
s4.start( [ c ] )
print "** Starting SSH Server in every host"
sshpids = {}
for h in net.hosts:
h.cmd( '/usr/sbin/sshd -D &' )
time.sleep(2) # Whait for the daemon to come up so we can see its pid (this is not very safe)
output = h.cmd( 'cat /var/run/sshd.pid' )
sshpids[h.name] = output.rstrip()
print "** Starting Libvirt in every host"
for h in net.hosts:
ip = h.IP()
h.cmd( 'ip addr flush ' + h.defaultIntf() )
h.cmd( 'brctl addbr virbr1' )
h.cmd( 'brctl addif virbr1 ' + h.defaultIntf() )
h.cmd( 'ip link set dev virbr1 up' )
h.setIP( 'virbr1', ip, 24 )
h.cmd( '/home/juliano/' + h.name + '/sbin/libvirtd -d -l -p /home/juliano/' + h.name + '/var/run/libvirtd.pid -f /home/juliano/' + h.name + '/etc/libvirt/libvirtd.conf' )
print "** Testing network"
# net.pingAll()
print "** Running CLI"
CLI( net )
print "** Killing daemons"
for h in net.hosts:
h.cmd( 'kill `cat /home/juliano/' + h.name + '/var/run/libvirtd.pid`' )
if len( sshpids[h.name] ) < 7:
h.cmd( 'kill ' + sshpids[h.name] )
print "** Stopping network"
net.stop()
def myNet():
"Defines a custom topology on mininet."
print "*** Starting MyNet ***"
cParams = ControllerParams( '10.0.3.0', 24 )
net = Mininet( controller=RemoteController, switch=OVSKernelSwitch, cparams=cParams )
print "** Adding controller"
c = net.addController( 'c0' )
print "** Adding switches"
s1 = net.addSwitch( 's1' )
s2 = net.addSwitch( 's2' )
s3 = net.addSwitch( 's3' )
s4 = net.addSwitch( 's4' )
s5 = net.addSwitch( 's5' )
s6 = net.addSwitch( 's6' )
s7 = net.addSwitch( 's7' )
s8 = net.addSwitch( 's8' )
s9 = net.addSwitch( 's9' )
s10 = net.addSwitch( 's10' )
print "** Adding hosts"
h1 = net.addHost( 'h1', ip='10.0.3.1' )
h2 = net.addHost( 'h2', ip='10.0.3.2' )
h3 = net.addHost( 'h3', ip='10.0.3.3' )
h4 = net.addHost( 'h4', ip='10.0.3.4' )
h5 = net.addHost( 'h5', ip='10.0.3.5' )
h6 = net.addHost( 'h6', ip='10.0.3.6' )
h7 = net.addHost( 'h7', ip='10.0.3.7' )
h8 = net.addHost( 'h8', ip='10.0.3.8' )
h9 = net.addHost( 'h9', ip='10.0.3.9' )
h10 = net.addHost( 'h10', ip='10.0.3.10' )
h11 = net.addHost( 'h11', ip='10.0.3.11' )
h12 = net.addHost( 'h12', ip='10.0.3.12' )
h13 = net.addHost( 'h13', ip='10.0.3.13' )
h14 = net.addHost( 'h14', ip='10.0.3.14' )
h15 = net.addHost( 'h15', ip='10.0.3.15' )
h16 = net.addHost( 'h16', ip='10.0.3.16' )
h17 = net.addHost( 'h17', ip='10.0.3.17' )
h18 = net.addHost( 'h18', ip='10.0.3.18' )
h19 = net.addHost( 'h19', ip='10.0.3.19' )
h20 = net.addHost( 'h20', ip='10.0.3.20' )
print "** Linking switches and hosts"
# S1
s1.linkTo( s2 )
s1.linkTo( h1 )
s1.linkTo( h2 )
s1.linkTo( h3 )
# S2
s2.linkTo( s3 )
s2.linkTo( s4 )
s2.linkTo( s5 )
# S3
s3.linkTo( s6 )
s3.linkTo( h4 )
s3.linkTo( h5 )
# S4
s4.linkTo( s8 )
s4.linkTo( h6 )
s4.linkTo( h7 )
s4.linkTo( h8 )
# S5
s5.linkTo( s9 )
s5.linkTo( s10 )
s5.linkTo( h9 )
s5.linkTo( h10 )
# S6
s6.linkTo( s7 )
s6.linkTo( h11 )
s6.linkTo( h12 )
s6.linkTo( h13 )
# S7
s7.linkTo( h14 )
s7.linkTo( h15 )
s7.linkTo( h16 )
# S8
s8.linkTo( h17 )
s8.linkTo( h18 )
# S9
s9.linkTo( h19 )
# S10
s10.linkTo( h20 )
print "** Creating extra node to enable access to others"
# Create a node in root namespace and link to switch 0
root = Node( 'root', inNamespace=False )
root.linkTo( s1 )
root.setMAC( root.defaultIntf(), "00:00:00:11:00:64" )
root.setIP( root.defaultIntf(), "10.0.3.100", 24 )
# Configure everything
s1.setMAC ( 's1-eth1', '00:00:00:10:01:01' )
s1.setMAC ( 's1-eth2', '00:00:00:10:01:02' )
s1.setMAC ( 's1-eth3', '00:00:00:10:01:03' )
s1.setMAC ( 's1-eth4', '00:00:00:10:01:04' )
s1.setMAC ( 's1-eth5', '00:00:00:10:01:05' ) # Extra for the root
s2.setMAC ( 's2-eth1', '00:00:00:10:02:01' )
s2.setMAC ( 's2-eth2', '00:00:00:10:02:02' )
s2.setMAC ( 's2-eth3', '00:00:00:10:02:03' )
s2.setMAC ( 's2-eth4', '00:00:00:10:02:04' )
s3.setMAC ( 's3-eth1', '00:00:00:10:03:01' )
s3.setMAC ( 's3-eth2', '00:00:00:10:03:02' )
s3.setMAC ( 's3-eth3', '00:00:00:10:03:03' )
s3.setMAC ( 's3-eth4', '00:00:00:10:03:04' )
s4.setMAC ( 's4-eth1', '00:00:00:10:04:01' )
s4.setMAC ( 's4-eth2', '00:00:00:10:04:02' )
s4.setMAC ( 's4-eth3', '00:00:00:10:04:03' )
s4.setMAC ( 's4-eth4', '00:00:00:10:04:04' )
s4.setMAC ( 's4-eth5', '00:00:00:10:04:05' )
s5.setMAC ( 's5-eth1', '00:00:00:10:05:01' )
s5.setMAC ( 's5-eth2', '00:00:00:10:05:02' )
s5.setMAC ( 's5-eth3', '00:00:00:10:05:03' )
s5.setMAC ( 's5-eth4', '00:00:00:10:05:04' )
s5.setMAC ( 's5-eth5', '00:00:00:10:05:05' )
s6.setMAC ( 's6-eth1', '00:00:00:10:06:01' )
s6.setMAC ( 's6-eth2', '00:00:00:10:06:02' )
s6.setMAC ( 's6-eth3', '00:00:00:10:06:03' )
s6.setMAC ( 's6-eth4', '00:00:00:10:06:04' )
s6.setMAC ( 's6-eth5', '00:00:00:10:06:05' )
s7.setMAC ( 's7-eth1', '00:00:00:10:07:01' )
s7.setMAC ( 's7-eth2', '00:00:00:10:07:02' )
s7.setMAC ( 's7-eth3', '00:00:00:10:07:03' )
s7.setMAC ( 's7-eth4', '00:00:00:10:07:04' )
s8.setMAC ( 's8-eth1', '00:00:00:10:08:01' )
s8.setMAC ( 's8-eth2', '00:00:00:10:08:02' )
s8.setMAC ( 's8-eth3', '00:00:00:10:08:03' )
s9.setMAC ( 's9-eth1', '00:00:00:10:09:01' )
s9.setMAC ( 's9-eth2', '00:00:00:10:09:02' )
s10.setMAC ( 's10-eth1', '00:00:00:10:10:01' )
s10.setMAC ( 's10-eth2', '00:00:00:10:10:02' )
s1.setIP ( s1.defaultIntf(), '10.0.3.101', 24 )
s2.setIP ( s2.defaultIntf(), '10.0.3.102', 24 )
s3.setIP ( s3.defaultIntf(), '10.0.3.103', 24 )
s4.setIP ( s4.defaultIntf(), '10.0.3.104', 24 )
s5.setIP ( s5.defaultIntf(), '10.0.3.105', 24 )
s6.setIP ( s6.defaultIntf(), '10.0.3.106', 24 )
s7.setIP ( s7.defaultIntf(), '10.0.3.107', 24 )
s8.setIP ( s8.defaultIntf(), '10.0.3.108', 24 )
s9.setIP ( s9.defaultIntf(), '10.0.3.109', 24 )
s10.setIP ( s10.defaultIntf(), '10.0.3.110', 24 )
h1.setMAC( h1.defaultIntf(), "00:00:00:11:00:01" )
h2.setMAC( h2.defaultIntf(), "00:00:00:11:00:02" )
h3.setMAC( h3.defaultIntf(), "00:00:00:11:00:03" )
h4.setMAC( h4.defaultIntf(), "00:00:00:11:00:04" )
h5.setMAC( h5.defaultIntf(), "00:00:00:11:00:05" )
h6.setMAC( h6.defaultIntf(), "00:00:00:11:00:06" )
h7.setMAC( h7.defaultIntf(), "00:00:00:11:00:07" )
h8.setMAC( h8.defaultIntf(), "00:00:00:11:00:08" )
h9.setMAC( h9.defaultIntf(), "00:00:00:11:00:09" )
h10.setMAC( h10.defaultIntf(), "00:00:00:11:00:10" )
h11.setMAC( h11.defaultIntf(), "00:00:00:11:00:11" )
h12.setMAC( h12.defaultIntf(), "00:00:00:11:00:12" )
h13.setMAC( h13.defaultIntf(), "00:00:00:11:00:13" )
h14.setMAC( h14.defaultIntf(), "00:00:00:11:00:14" )
h15.setMAC( h15.defaultIntf(), "00:00:00:11:00:15" )
h16.setMAC( h16.defaultIntf(), "00:00:00:11:00:16" )
h17.setMAC( h17.defaultIntf(), "00:00:00:11:00:17" )
h18.setMAC( h18.defaultIntf(), "00:00:00:11:00:18" )
h19.setMAC( h19.defaultIntf(), "00:00:00:11:00:19" )
h20.setMAC( h20.defaultIntf(), "00:00:00:11:00:20" )
print "** Firing up the network"
net.build()
c.start()
for s in net.switches:
s.start( [ c ] )
print "** Starting SSH Server in every host"
sshpids = {}
for h in net.hosts:
h.cmd( '/usr/sbin/sshd -D &' )
time.sleep(0.5) # Whait for the daemon to come up so we can see its pid (this is not very safe)
output = h.cmd( 'cat /var/run/sshd.pid' )
sshpids[h.name] = output.rstrip()
print "** Starting Libvirt in every host"
for h in net.hosts:
ip = h.IP()
h.cmd( 'ip addr flush ' + h.defaultIntf() )
if not os.path.exists( '/usr/local/etc/openvswitch/' + h.name + '-conf.db' ):
h.cmd( 'ovsdb-tool create /usr/local/etc/openvswitch/' + h.name + '-conf.db /home/jwickboldt/openvswitch-1.10.0/vswitchd/vswitch.ovsschema' )
h.cmd( 'ovsdb-server /usr/local/etc/openvswitch/' + h.name + '-conf.db --remote=punix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock --pidfile=/usr/local/var/run/openvswitch/' + h.name + '-ovsdb-server.pid --detach' )
h.cmd( 'ovs-vsctl --db=unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock --no-wait init' )
h.cmd( 'ovs-vswitchd unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock --pidfile=/usr/local/var/run/openvswitch/' + h.name + '-ovs-vswitchd.pid --detach' )
h.cmd( 'ovs-vsctl --db=unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock add-br virbr1' )
h.cmd( 'ovs-vsctl --db=unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock add-port virbr1 ' + h.defaultIntf() )
h.cmd( 'ovs-vsctl --db=unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock set-controller virbr1 tcp:10.0.3.100:6633' )
h.cmd( 'ip link set dev virbr1 up' )
h.setIP( 'virbr1', ip, 24 )
# Default route through root-eth0
h.cmd ( 'route add default gw 10.0.3.100' )
h.cmd ( 'libvirtd-' + h.name + ' -d -l' )
#print "** Testing network"
#net.pingAll()
print "** Running CLI"
CLI( net )
print "** Killing daemons"
for h in net.hosts:
h.cmd( 'kill `pidof libvirtd-' + h.name + '`' )
h.cmd( 'ovs-vsctl --db=unix:/usr/local/var/run/openvswitch/' + h.name + '-db.sock del-br virbr1' )
h.cmd( 'kill $(cat /usr/local/var/run/openvswitch/' + h.name + '-ovsdb-server.pid)' )
h.cmd( 'kill $(cat /usr/local/var/run/openvswitch/' + h.name + '-ovs-vswitchd.pid)' )
if len( sshpids[h.name] ) < 7:
h.cmd( 'kill ' + sshpids[h.name] )
print "** Stopping network"
net.stop()
def myNet(cname='controller', cargs='-v ptcp:'):
"Create network from scratch using Open vSwitch."
info("*** Creating nodes\n")
controller = Node('c0', inNamespace=False)
switch = Node('s0', inNamespace=False)
switch1 = Node('s1', inNamespace=False)
h0 = Node('h0')
h1 = Node('h1')
info("*** Creating links\n")
linkopts0 = dict(bw=100, delay='1ms', loss=0)
linkopts1 = dict(bw=100, delay='10ms', loss=0)
link0 = TCLink(h0, switch, **linkopts0)
#initially, the delay from switch to switch1 is 10ms
link1 = TCLink(switch, switch1, **linkopts1)
link2 = TCLink(h1, switch1, **linkopts0)
#print link0.intf1, link0.intf2
link0.intf2.setMAC("0:0:0:0:0:1")
link1.intf1.setMAC("0:0:0:0:0:2")
link1.intf2.setMAC("0:1:0:0:0:1")
link2.intf2.setMAC("0:1:0:0:0:2")
info("*** Configuring hosts\n")
h0.setIP('192.168.123.1/24')
h1.setIP('192.168.123.2/24')
h0.setMAC("a:a:a:a:a:a")
h1.setMAC("8:8:8:8:8:8")
info("*** Starting network using Open vSwitch\n")
switch.cmd('ovs-vsctl del-br dp0')
switch.cmd('ovs-vsctl add-br dp0')
switch1.cmd('ovs-vsctl del-br dp1')
switch1.cmd('ovs-vsctl add-br dp1')
controller.cmd(cname + ' ' + cargs + '&')
for intf in switch.intfs.values():
print intf
print switch.cmd('ovs-vsctl add-port dp0 %s' % intf)
for intf in switch1.intfs.values():
print intf
print switch1.cmd('ovs-vsctl add-port dp1 %s' % intf)
# Note: controller and switch are in root namespace, and we
# can connect via loopback interface
switch.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
switch1.cmd('ovs-vsctl set-controller dp1 tcp:127.0.0.1:6633')
info('*** Waiting for switch to connect to controller')
while 'is_connected' not in quietRun('ovs-vsctl show'):
sleep(1)
info('.')
info('\n')
def cDelay1():
switch.cmdPrint('ethtool -K s0-eth1 gro off')
switch.cmdPrint('tc qdisc del dev s0-eth1 root')
switch.cmdPrint(
'tc qdisc add dev s0-eth1 root handle 10: netem delay 50ms')
switch1.cmdPrint('ethtool -K s1-eth0 gro off')
switch1.cmdPrint('tc qdisc del dev s1-eth0 root')
switch1.cmdPrint(
'tc qdisc add dev s1-eth0 root handle 10: netem delay 50ms')
def cDelay2():
switch.cmdPrint('ethtool -K s0-eth1 gro off')
switch.cmdPrint('tc qdisc del dev s0-eth1 root')
switch.cmdPrint(
'tc qdisc add dev s0-eth1 root handle 10: netem delay 200ms')
switch1.cmdPrint('ethtool -K s1-eth0 gro off')
switch1.cmdPrint('tc qdisc del dev s1-eth0 root')
switch1.cmdPrint(
'tc qdisc add dev s1-eth0 root handle 10: netem delay 200ms')
# 15 seconds later, the delay from switch to switch 1 will change to 50ms
t1 = Timer(15, cDelay1)
t1.start()
# 30 seconds later, the delay from switch to switch 1 will change to 200ms
t2 = Timer(30, cDelay2)
t2.start()
#info( "*** Running test\n" )
h0.cmdPrint('ping -i 1 -c 45 ' + h1.IP())
sleep(1)
info("*** Stopping network\n")
controller.cmd('kill %' + cname)
switch.cmd('ovs-vsctl del-br dp0')
switch.deleteIntfs()
switch1.cmd('ovs-vsctl del-br dp1')
switch1.deleteIntfs()
info('\n')
def myNet(cname='controller', cargs='-v ptcp:'):
"Create network from scratch using Open vSwitch."
info("*** Creating nodes\n")
controller = Node('c0', inNamespace=False)
s1 = Node('s1', inNamespace=False)
s2 = Node('s2', inNamespace=False)
s3 = Node('s3', inNamespace=False)
s4 = Node('s4', inNamespace=False)
s6 = Node('s6', inNamespace=False)
s7 = Node('s7', inNamespace=False)
h1 = Node('h1')
h2 = Node('h2')
h3 = Node('h3')
h4 = Node('h4')
h5 = Node('h5')
h6 = Node('h6')
h7 = Node('h7')
h8 = Node('h8')
server = Node('server')
info("*** Creating links\n")
linkopts0 = dict(bw=10, delay='1ms', loss=0)
TCLink(s1, s2, **linkopts0)
TCLink(s2, s3, **linkopts0)
TCLink(s2, s4, **linkopts0)
TCLink(s2, s6, **linkopts0)
TCLink(s2, s7, **linkopts0)
TCLink(s1, h3, **linkopts0)
TCLink(s1, h4, **linkopts0)
TCLink(s3, h1, **linkopts0)
TCLink(s4, h7, **linkopts0)
TCLink(s4, h8, **linkopts0)
TCLink(s6, h5, **linkopts0)
TCLink(s6, h6, **linkopts0)
TCLink(s7, server, **linkopts0)
info("*** Configuring hosts\n")
h1.setIP('30.30.1.20/22')
h2.setIP('30.30.1.21/22')
h3.setIP('30.30.1.22/22')
h4.setIP('30.30.1.23/22')
h5.setIP('30.30.1.24/22')
h6.setIP('30.30.1.25/22')
h7.setIP('30.30.1.26/22')
h8.setIP('30.30.1.27/22')
server.setIP('30.30.1.28/22')
h1.setMAC('00:00:00:43:92:01')
h2.setMAC('00:00:00:43:92:02')
h3.setMAC('00:00:00:43:92:03')
h4.setMAC('00:00:00:43:92:04')
h5.setMAC('00:00:00:43:92:05')
h6.setMAC('00:00:00:43:92:06')
h7.setMAC('00:00:00:43:92:07')
h8.setMAC('00:00:00:43:92:08')
server.setMAC('00:00:00:43:92:09')
s1.setMAC('00:00:02:43:92:01')
s2.setMAC('00:00:02:43:92:02')
s3.setMAC('00:00:02:43:92:03')
s4.setMAC('00:00:02:43:92:04')
s6.setMAC('00:00:02:43:92:05')
s7.setMAC('00:00:02:43:92:06')
info("*** Starting network using Open vSwitch\n")
s1.cmd('ovs-vsctl del-br dp1')
s1.cmd('ovs-vsctl add-br dp1')
s2.cmd('ovs-vsctl del-br dp2')
s2.cmd('ovs-vsctl add-br dp2')
s3.cmd('ovs-vsctl del-br dp3')
s3.cmd('ovs-vsctl add-br dp3')
s4.cmd('ovs-vsctl del-br dp4')
s4.cmd('ovs-vsctl add-br dp4')
s6.cmd('ovs-vsctl del-br dp6')
s6.cmd('ovs-vsctl add-br dp6')
s7.cmd('ovs-vsctl del-br dp7')
s7.cmd('ovs-vsctl add-br dp7')
controller.cmd(cname + ' ' + cargs + '&')
for intf in s1.intfs.values():
print intf
print s1.cmd('ovs-vsctl add-port dp1 %s' % intf)
for intf in s2.intfs.values():
print intf
print s2.cmd('ovs-vsctl add-port dp2 %s' % intf)
for intf in s3.intfs.values():
print intf
print s3.cmd('ovs-vsctl add-port dp3 %s' % intf)
for intf in s4.intfs.values():
print intf
print s4.cmd('ovs-vsctl add-port dp4 %s' % intf)
for intf in s6.intfs.values():
print intf
print s6.cmd('ovs-vsctl add-port dp6 %s' % intf)
for intf in s7.intfs.values():
print intf
print s7.cmd('ovs-vsctl add-port dp7 %s' % intf)
# Note: controller and switch are in root namespace, and we
# can connect via loopback interface
s1.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
s2.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
s3.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
s4.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
s6.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
s7.cmd('ovs-vsctl set-controller dp0 tcp:127.0.0.1:6633')
info('*** Waiting for switch to connect to controller')
while 'is_connected' not in quietRun('ovs-vsctl show'):
sleep(1)
info('.')
info('\n')
#print s0.cmd('ovs-ofctl show dp0')
#info( "*** Running test\n" )
h3.cmdPrint('ping -c 3 ' + h2.IP())
h4.cmdPrint('ping -c 3 ' + h2.IP())
h2.cmd('iperf -s &')
h3.cmdPrint('iperf -c 30.30.1.23 -t 10')
h4.cmdPrint('iperf -c 30.30.1.23 -t 10')
s1.cmdPrint('ethtool -K s0-eth2 gro off')
s1.cmdPrint('tc qdisc del dev s0-eth2 root')
s1.cmdPrint(
'tc qdisc add dev s0-eth2 root handle 1: cbq avpkt 1000 bandwidth 10Mbit rate 512kbit bounded isolated'
)
h3.cmdPrint('iperf -c 30.30.1.23 -t 10')
h4.cmdPrint('iperf -c 30.30.1.23 -t 10')
info("*** Stopping network\n")
controller.cmd('kill %' + cname)
s1.cmd('ovs-vsctl del-br dp1')
s1.deleteIntfs()
s2.cmd('ovs-vsctl del-br dp2')
s2.deleteIntfs()
info('\n')