mininet创建简单的拓扑
# 四个交换机每个下边挂载一个主机
Linear4 = LinearTopo(k=4)
net = Mininet(topo=Linear4)
net.start()
net.pingAll()
net.stop()
# single,3
from mininet.topo import SingleSwitchTopo
Single3 = SingleSwitchTopo(k=3)
net = Mininet(topo=Single3)
net.start()
net.pingAll()
net.stop()
# tree,depth=2,fanout=2
from mininet.topolib import TreeTopo
Tree22 = TreeTopo(depth=2, fanout=2)
net = Mininet(topo=Tree22)
net.start()
net.pingAll()
net.stop()
# create 1 switch,2 host,set hosts IP
net = Mininet()
# Creating nodes in the network
c0 = net.addController()
h0 = net.addHost('h0')
s0 = net.addSwitch('s0')
h1 = net.addHost('h1')
# Creating links between nodes in network
net.addLink(h0, s0)
net.addLink(h1, s0)
# configuration of IP address in interfaces
h0.setIP('192.168.1.1', 24)
h1.setIP('192.168.1.2', 24)
net.start()
net.pingAll()
net.stop()
# add more limits to the host
from mininet.net import Mininet
from mininet.node import CPULimitedHost
from mininet.link import TCLink
net = Mininet(host=CPULimitedHost, link=TCLink)
# Creating nodes in the network
c0 = net.addController()
s0 = net.addSwitch('s0')
h0 = net.addHost('h0')
h1 = net.addHost('h1', cpu=0.5)
h2 = net.addHost('h2', cpu=0.5)
net.addLink(s0, h0, bw=10, delay='5ms',max_queue_size=1000, loss=10, use_htb=True)
net.addLink(s0, h1)
net.addLink(s0, h2)
net.start()
net.pingAll()
net.stop()
作者:天际使徒
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