| #!/usr/bin/python |
| # Mininet model for Simple Leaf-Spine Network |
| |
| # Copyright 2017-present Open Networking Foundation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from mininet.topo import Topo |
| from mininet.net import Mininet |
| from mininet.node import Host, OVSSwitch, RemoteController |
| from mininet.log import setLogLevel |
| from mininet.cli import CLI |
| |
| |
| "Create custom topo." |
| |
| net = Mininet() |
| |
| # Add leaf switch and hosts in rack 1 |
| # subnet: 10.0.1.0/24 |
| s10 = net.addSwitch('s10', dpid='0000000000000011') |
| h11 = net.addHost('h11', mac='00:00:10:00:01:11', ip='10.0.1.11/24', defaultRoute='via 10.0.1.1') |
| h12 = net.addHost('h12', mac='00:00:10:00:01:12', ip='10.0.1.12/24', defaultRoute='via 10.0.1.1') |
| h13 = net.addHost('h13', mac='00:00:10:00:01:13', ip='10.0.1.13/24', defaultRoute='via 10.0.1.1') |
| h14 = net.addHost('h14', mac='00:00:10:00:01:14', ip='10.0.1.14/24', defaultRoute='via 10.0.1.1') |
| d11 = net.addHost('d11', mac='00:00:10:00:01:a1', ip='10.0.1.111/24', defaultRoute='via 10.0.1.1') |
| d12 = net.addHost('d12', mac='00:00:10:00:01:a2', ip='10.0.1.112/24', defaultRoute='via 10.0.1.1') |
| net.addLink(s10, h11) |
| net.addLink(s10, h12) |
| net.addLink(s10, h13) |
| net.addLink(s10, h14) |
| net.addLink(s10, d11) |
| net.addLink(s10, d12) |
| |
| # Add leaf switch and hosts in rack 2 |
| # subnet: 10.0.2.0/24 |
| s20 = net.addSwitch('s20', dpid='0000000000000012') |
| h21 = net.addHost('h21', mac='00:00:10:00:02:21', ip='10.0.2.21/24', defaultRoute='via 10.0.2.1') |
| h22 = net.addHost('h22', mac='00:00:10:00:02:22', ip='10.0.2.22/24', defaultRoute='via 10.0.2.1') |
| h23 = net.addHost('h23', mac='00:00:10:00:02:23', ip='10.0.2.23/24', defaultRoute='via 10.0.2.1') |
| h24 = net.addHost('h24', mac='00:00:10:00:02:24', ip='10.0.2.24/24', defaultRoute='via 10.0.2.1') |
| d21 = net.addHost('d21', mac='00:00:10:00:02:b1', ip='10.0.2.221/24', defaultRoute='via 10.0.2.1') |
| d22 = net.addHost('d22', mac='00:00:10:00:02:b2', ip='10.0.2.222/24', defaultRoute='via 10.0.2.1') |
| net.addLink(s20, h21) |
| net.addLink(s20, h22) |
| net.addLink(s20, h23) |
| net.addLink(s20, h24) |
| net.addLink(s20, d21) |
| net.addLink(s20, d22) |
| |
| # Add spine switches and nat |
| # subnet: 10.0.0.0/16 |
| ss1 = net.addSwitch('ss1', dpid='0000000000000021') |
| ss2 = net.addSwitch('ss2', dpid='0000000000000022') |
| net.addLink(ss1, s10) |
| net.addLink(ss1, s20) |
| net.addLink(ss2, s10) |
| net.addLink(ss2, s20) |
| |
| # Add External Router |
| #h31 = net.addHost('h31', mac='00:00:10:00:00:31', ip='10.0.0.31/24', defaultRoute='via 10.0.0.1') |
| #h32 = net.addHost('h32', mac='00:00:10:00:00:32', ip='10.0.0.32/24', defaultRoute='via 10.0.0.1') |
| #net.addLink(ss1, h31); |
| #net.addLink(ss2, h32); |
| |
| # Add ONOS/RemoteController; set your ONOS node ip address |
| net.addController(RemoteController('c1', ip='10.10.108.140')) |
| |
| # Main |
| setLogLevel('info') |
| net.start() |
| |
| # reveal hosts to switches |
| #for h in [h11, h12, h13, h14, d11, d12] : |
| # net.ping(hosts=[h, h31], timeout='1') |
| # net.ping(hosts=[h, h31], timeout='1') |
| #for h in [h21, h22, h23, h24, d21, d22] : |
| # net.ping(hosts=[h, h32], timeout='1') |
| # net.ping(hosts=[h, h32], timeout='1') |
| |
| # do interactive shell |
| CLI(net) |
| net.stop() |
| |