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test First crack at Python 3 compatibility Jul 26, 2018
README.md update examples README with new examples Nov 25, 2014
__init__.py Add docstring to satisfy pylint Sep 11, 2013
baresshd.py print -> info; end the horror of print vs. print() Aug 23, 2016
bind.py Spacing tweaks for pep8 checker Dec 8, 2014
cluster.py Minor changes for Python 3 Jul 26, 2018
clusterSanity.py Spacing tweaks for pep8 checker Dec 8, 2014
clustercli.py Fix plot() command for newer networkx May 30, 2017
clusterdemo.py Remove relative import Mar 14, 2017
clusterperf.py pass code check Mar 14, 2017
consoles.py Spacing tweaks for pep8 checker Dec 8, 2014
controllers.py Allow RemoteController to connect to correct port. Jan 14, 2016
controllers2.py print -> info; end the horror of print vs. print() Aug 23, 2016
controlnet.py Minor changes for Python 3 Jul 26, 2018
cpu.py Decode readline() and call cleanup() for python 3 Jul 26, 2018
emptynet.py updated emptynet to use addLink Sep 11, 2013
hwintf.py Use ifconfig for interface verification. Jan 25, 2016
intfoptions.py Remove trailing whitespace. ;-/ Dec 1, 2014
limit.py More pylint changes Dec 4, 2014
linearbandwidth.py For 10Mb/s links, we should certainly be network-limited rather Oct 21, 2016
linuxrouter.py print -> info; end the horror of print vs. print() Aug 23, 2016
miniedit.py Remove redundancies in miniedit; pass code check Jul 26, 2018
mobility.py print -> info; end the horror of print vs. print() Aug 23, 2016
multilink.py More pylint changes Dec 4, 2014
multiping.py waitConnected and debug output for testMultiPing Jul 10, 2018
multipoll.py Minor changes for Python 3 Jul 26, 2018
multitest.py style in multitest Sep 11, 2013
nat.py print -> info; end the horror of print vs. print() Aug 23, 2016
natnet.py More pylint changes Dec 4, 2014
numberedports.py print -> info; end the horror of print vs. print() Aug 23, 2016
popen.py print -> info; end the horror of print vs. print() Aug 23, 2016
popenpoll.py print -> info; end the horror of print vs. print() Aug 23, 2016
scratchnet.py print -> info; end the horror of print vs. print() Aug 23, 2016
scratchnetuser.py Make some tuples explicit to pass parsing in py3 Jun 21, 2016
simpleperf.py code check Mar 14, 2017
sshd.py print -> info; end the horror of print vs. print() Aug 23, 2016
tree1024.py Change to OVSSwitch Jan 26, 2015
treeping64.py print -> info; end the horror of print vs. print() Aug 23, 2016
vlanhost.py More pylint changes... Dec 4, 2014

README.md

Mininet Examples

These examples are intended to help you get started using Mininet's Python API.

========================================================

baresshd.py:

This example uses Mininet's medium-level API to create an sshd process running in a namespace. Doesn't use OpenFlow.

bind.py:

This example shows how you can create private directories for each node in a Mininet topology.

cluster.py:

This example contains all of the code for experimental cluster edition. Remote classes and MininetCluster can be imported from here to create a topology with nodes on remote machines.

clusterSanity.py:

This example runs cluster edition locally as a sanity check to test basic functionality.

clustercli.py:

This example contains a CLI for experimental cluster edition.

clusterdemo.py:

This example is a basic demo of cluster edition on 3 servers with a tree topology of depth 3 and fanout 3.

consoles.py:

This example creates a grid of console windows, one for each node, and allows interaction with and monitoring of each console, including graphical monitoring.

controllers.py:

This example creates a network with multiple controllers, by using a custom Switch() subclass.

controllers2.py:

This example creates a network with multiple controllers by creating an empty network, adding nodes to it, and manually starting the switches.

controlnet.py:

This examples shows how you can model the control network as well as the data network, by actually creating two Mininet objects.

cpu.py:

This example tests iperf bandwidth for varying CPU limits.

emptynet.py:

This example demonstrates creating an empty network (i.e. with no topology object) and adding nodes to it.

hwintf.py:

This example shows how to add an interface (for example a real hardware interface) to a network after the network is created.

intfoptions.py:

This example reconfigures a TCIntf during runtime with different traffic control commands to test bandwidth, loss, and delay.

limit.py:

This example shows how to use link and CPU limits.

linearbandwidth.py:

This example shows how to create a custom topology programatically by subclassing Topo, and how to run a series of tests on it.

linuxrouter.py:

This example shows how to create and configure a router in Mininet that uses Linux IP forwarding.

miniedit.py:

This example demonstrates creating a network via a graphical editor.

mobility.py:

This example demonstrates detaching an interface from one switch and attaching it another as a basic way to move a host around a network.

multiLink.py:

This example demonstrates the creation of multiple links between nodes using a custom Topology class.

multiping.py:

This example demonstrates one method for monitoring output from multiple hosts, using node.monitor().

multipoll.py:

This example demonstrates monitoring output files from multiple hosts.

multitest.py:

This example creates a network and runs multiple tests on it.

nat.py:

This example shows how to connect a Mininet network to the Internet using NAT. It also answers the eternal question "why can't I ping google.com?"

natnet.py:

This example demonstrates how to create a network using a NAT node to connect hosts to the internet.

numberedports.py:

This example verifies the mininet ofport numbers match up to the ovs port numbers. It also verifies that the port numbers match up to the interface numbers

popen.py:

This example monitors a number of hosts using host.popen() and pmonitor().

popenpoll.py:

This example demonstrates monitoring output from multiple hosts using the node.popen() interface (which returns Popen objects) and pmonitor().

scratchnet.py, scratchnetuser.py:

These two examples demonstrate how to create a network by using the lowest- level Mininet functions. Generally the higher-level API is easier to use, but scratchnet shows what is going on behind the scenes.

simpleperf.py:

A simple example of configuring network and CPU bandwidth limits.

sshd.py:

This example shows how to run an sshd process in each host, allowing you to log in via ssh. This requires connecting the Mininet data network to an interface in the root namespace (generaly the control network already lives in the root namespace, so it does not need to be explicitly connected.)

tree1024.py:

This example attempts to create a 1024-host network, and then runs the CLI on it. It may run into scalability limits, depending on available memory and sysctl configuration (see INSTALL.)

treeping64.py:

This example creates a 64-host tree network, and attempts to check full connectivity using ping, for different switch/datapath types.

vlanhost.py:

An example of how to subclass Host to use a VLAN on its primary interface.