| #!/usr/bin/python |
| |
| # SPDX-FileCopyrightText: 2022-present Intel Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| import argparse |
| |
| from mininet.cli import CLI |
| from mininet.log import setLogLevel |
| from mininet.net import Mininet |
| from mininet.topo import Topo |
| from stratum import StratumBmv2Switch |
| |
| from mn_lib import IPv4Host |
| from mn_lib import TaggedIPv4Host |
| |
| CPU_PORT = 255 |
| |
| |
| class TutorialTopo(Topo): |
| """2x4 fabric topology with IPv4 hosts""" |
| |
| def __init__(self, *args, **kwargs): |
| Topo.__init__(self, *args, **kwargs) |
| |
| # Leaves |
| # gRPC port 50001 |
| leaf1 = self.addSwitch('leaf1', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| # gRPC port 50002 |
| leaf2 = self.addSwitch('leaf2', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| # gRPC port 50003 |
| leaf3 = self.addSwitch('leaf3', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| # gRPC port 50004 |
| leaf4 = self.addSwitch('leaf4', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| |
| # Spines |
| # gRPC port 50005 |
| spine1 = self.addSwitch('spine1', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| # gRPC port 50006 |
| spine2 = self.addSwitch('spine2', cls=StratumBmv2Switch, cpuport=CPU_PORT) |
| |
| # Switch Links |
| self.addLink(spine1, leaf1) |
| self.addLink(spine1, leaf2) |
| self.addLink(spine1, leaf3) |
| self.addLink(spine1, leaf4) |
| self.addLink(spine2, leaf1) |
| self.addLink(spine2, leaf2) |
| self.addLink(spine2, leaf3) |
| self.addLink(spine2, leaf4) |
| |
| # IPv4 hosts attached to leaf 1 |
| h1a = self.addHost('h1a', cls=IPv4Host, mac="00:00:00:00:00:1A", |
| ip='172.16.1.1/24', gw='172.16.1.254') |
| h1b = self.addHost('h1b', cls=IPv4Host, mac="00:00:00:00:00:1B", |
| ip='172.16.1.2/24', gw='172.16.1.254') |
| h1c = self.addHost('h1c', cls=TaggedIPv4Host, mac="00:00:00:00:00:1C", |
| ip='172.16.1.3/24', gw='172.16.1.254', vlan=100) |
| h2 = self.addHost('h2', cls=TaggedIPv4Host, mac="00:00:00:00:00:20", |
| ip='172.16.2.1/24', gw='172.16.2.254', vlan=200) |
| self.addLink(h1a, leaf1) # port 3 |
| self.addLink(h1b, leaf1) # port 4 |
| self.addLink(h1c, leaf1) # port 5 |
| self.addLink(h2, leaf1) # port 6 |
| |
| # IPv4 hosts attached to leaf 2 |
| h3 = self.addHost('h3', cls=TaggedIPv4Host, mac="00:00:00:00:00:30", |
| ip='172.16.3.1/24', gw='172.16.3.254', vlan=300) |
| h4 = self.addHost('h4', cls=IPv4Host, mac="00:00:00:00:00:40", |
| ip='172.16.4.1/24', gw='172.16.4.254') |
| self.addLink(h3, leaf2) # port 3 |
| self.addLink(h4, leaf2) # port 4 |
| |
| # IPv4 hosts attached to leaf 3 |
| h2b = self.addHost('h2b', cls=TaggedIPv4Host, mac="00:00:00:00:00:2B", |
| ip='172.16.5.1/24', gw='172.16.5.254', vlan=500) |
| h1d = self.addHost('h1d', cls=TaggedIPv4Host, mac="00:00:00:00:00:1D", |
| ip='172.16.6.1/24', gw='172.16.6.254', vlan=600) |
| h3b = self.addHost('h3b', cls=IPv4Host, mac="00:00:00:00:00:3B", |
| ip='172.16.5.2/24', gw='172.16.5.254') |
| self.addLink(h2b, leaf3) # port 3 |
| self.addLink(h1d, leaf3) # port 4 |
| self.addLink(h3b, leaf3) # port 5 |
| |
| # IPv4 hosts attached to leaf 4 |
| h4b = self.addHost('h4b', cls=TaggedIPv4Host, mac="00:00:00:00:00:4B", |
| ip='172.16.7.1/24', gw='172.16.7.254', vlan=700) |
| h3c = self.addHost('h3c', cls=IPv4Host, mac="00:00:00:00:00:3C", |
| ip='172.16.7.2/24', gw='172.16.7.254') |
| self.addLink(h4b, leaf4) # port 3 |
| self.addLink(h3c, leaf4) # port 4 |
| |
| |
| def main(): |
| net = Mininet(topo=TutorialTopo(), controller=None) |
| net.start() |
| CLI(net) |
| net.stop() |
| |
| |
| if __name__ == "__main__": |
| parser = argparse.ArgumentParser( |
| description='Mininet topology script for 2x2 fabric with stratum_bmv2 and IPv4 hosts') |
| args = parser.parse_args() |
| setLogLevel('info') |
| |
| main() |