== Esempio di topologia pura == {{{#!python from mininet.topo import Topo class MyTopo(Topo): def __init__(self): Topo.__init__(self) s1 = self.addSwitch('s1') s2 = self.addSwitch('s2') h = [] for i in xrange(4): h.append(self.addHost('h' + str(i+1))) self.addLink(s1, h[0]) self.addLink(s1, h[1]) self.addLink(s2, h[2]) self.addLink(s2, h[3]) self.addLink(s1, s2) topos = { 'prova' : (lambda : MyTopo()) } }}} Se il file si chiama `lab/mytopo.py`, da eseguire con {{{#!sh sudo mn --custom lab/mytopo.py --topo prova }}} == Esempio con IP e parametri del link variati == {{{#!python from mininet.topo import Topo from mininet.net import Mininet from mininet.link import TCLink from mininet.cli import CLI class MyTopo(Topo): def __init__(self): Topo.__init__(self) s1 = self.addSwitch('s1') s2 = self.addSwitch('s2') h = [] for i in xrange(4): h.append(self.addHost('h' + str(i+1))) self.addLink(s1, h[0]) self.addLink(s1, h[1]) self.addLink(s2, h[2]) self.addLink(s2, h[3]) self.addLink(s1, s2, bw=10) if __name__ == '__main__': net = Mininet(topo=MyTopo(), link=TCLink) h1, h2 = net.get('h1','h2') h1.setIP('192.168.1.10/24') h2.setIP('192.168.1.20/24') h3, h4 = net.get('h3','h4') h3.setIP('192.168.2.100/24') h4.setIP('192.168.2.200/24') net.start() CLI(net) net.stop() }}} Se il file si chiama `lab/mytopo.py`, da eseguire con {{{#!sh sudo python lab/mytopo.py }}}