I need to break the network into parts and emulate each part on my Linux machine. For example, on machine No. 1 the following topology is launched:
class MyTopology(Topo): def __init__(self): super().__init__() s1 = self.addSwitch(name='s1', protocols='OpenFlow13', dpid='0000000000000001') h1 = self.addHost(name='h1', ip='1.2.3.1/24') s2 = self.addSwitch(name='s2', protocols='OpenFlow13', dpid='0000000000000002') self.addLink(s1, h1, delay='5ms') self.addLink(s1, s2, delay='5ms')On machine No. 2 the following topology is launched:
class MyTopology(Topo): def __init__(self): super().__init__() s3 = self.addSwitch(name='s3', protocols='OpenFlow13', dpid='0000000000000003') s4 = self.addSwitch(name='s4', protocols='OpenFlow13', dpid='0000000000000004') self.addLink(s3, s4, delay='5ms')I want to link the switches s1, s3 and s2, s3. To get the topology:
+-----+ | h1 |+-----+ | | |+----+-----+ | s1 |+-----------+ / \ / \+----+----++----+----+ | s2 |----------| s3 |+----+----++----+----+ / /+-----------+ | s4 |+----+------+I tried to do
Intf('enp0s9', node=s1) Intf('enp0s9', node=s2)by car No. 1.
Intf('enp0s9', node=s3)by car No. 2machines are connected to a local network by the "enp0s9" interface, but when you try to attach one interface to two switches, they stop connecting to the controller.