Add a one node topology

route-0.py

@@ -7,6 +7,7 @@ from mininet.net import Mininet
 from mininet.cli import CLI
 
 from router import Router
+from topology.one_node.topo import NetTopo as OneNode
 from topology.two_nodes.topo import NetTopo as TwoNodes
 from scenario import Basic, Plain
 
@@ -64,6 +65,7 @@ def run(topo, scenario):
 
 if __name__ == "__main__":
     topology = {
+        "one_node": OneNode,
         "two_nodes": TwoNodes,
     }
 

topology/one_node/README.md

@@ -0,0 +1,29 @@
+# One node topology
+
+```
+         ------ 
+        |      |
+h1_1 ---|1 R1 2|--- h2_1
+        |      |
+         ------ 
+```
+
+## R1
+
+Interface | Name    | Address/Subnet
+----------|---------|---------------
+0         | lo      | 10.0.0.1/32
+1         | R1-eth1 | 10.1.0.254/24
+2         | R1-eth2 | 10.2.0.254/24
+
+## h1_1
+
+Interface | Name      | Address/Subnet
+----------|-----------|---------------
+1         | h1_1-eth1 | 10.1.0.1/24
+
+## h2_1
+
+Interface | Name      | Address/Subnet
+----------|-----------|---------------
+1         | h2_1-eth1 | 10.2.0.1/24

topology/one_node/staticd/h1_1.conf

@@ -0,0 +1,7 @@
+! -*- staticd -*-
+
+hostname h1_1
+
+ip route 0.0.0.0/0 10.1.0.254
+
+log file /tmp/h1_1-staticd.log debugging

topology/one_node/staticd/h2_1.conf

@@ -0,0 +1,7 @@
+! -*- staticd -*-
+
+hostname h2_1
+
+ip route 0.0.0.0/0 10.2.0.254
+
+log file /tmp/h2_1-staticd.log debugging

topology/one_node/topo.py

@@ -0,0 +1,25 @@
+import os
+
+from mininet.topo import Topo
+
+
+class NetTopo(Topo):
+    """The network topology.
+    """
+
+    topo_dir = os.path.dirname(os.path.realpath(__file__))
+
+    def __init__(self):
+        # Add default members to class.
+        super(NetTopo, self).__init__()
+
+        # Add routers
+        r_1 = self.addSwitch('R1')
+
+        # Add hosts
+        h_1_1 = self.addSwitch('h1_1')
+        h_2_1 = self.addSwitch('h2_1')
+
+        # Setup links as shown in README.md
+        self.addLink(r_1, h_1_1)
+        self.addLink(r_1, h_2_1)

topology/one_node/zebra/R1.conf

@@ -0,0 +1,14 @@
+! -*- zebra -*-
+
+hostname R1
+
+interface lo
+  ip address 10.0.0.1/32
+
+interface R1-eth1
+  ip address 10.1.0.254/24
+
+interface R1-eth2
+  ip address 10.2.0.254/24
+
+log file /tmp/R1-zebra.log debugging

topology/one_node/zebra/h1_1.conf

@@ -0,0 +1,8 @@
+! -*- zebra -*-
+
+hostname h1_1
+
+interface h1_1-eth1
+  ip address 10.1.0.1/24
+
+log file /tmp/h1_1-zebra.log debugging

topology/one_node/zebra/h2_1.conf

@@ -0,0 +1,8 @@
+! -*- zebra -*-
+
+hostname h2_1
+
+interface h2_1-eth1
+  ip address 10.2.0.1/24
+
+log file /tmp/h2_1-zebra.log debugging

topology/two_nodes/topo.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 import os
 
 from mininet.topo import Topo