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mininet @ a4e93368

Name Size Revision Age Author Comment
  bin acdcf9b6 over 5 years Bob Lantz cluster: add batchStartup/Shutdown, cleanup
  custom dec1f402 almost 8 years Brandon Heller custom topo: remove author name No need for th...
  debian f66e9af5 about 7 years Bob Lantz Update for 2.1.0 final packaging
  doc c04ef88e almost 8 years Bob Lantz Add note regarding removing old OVS junk.
  examples acdcf9b6 over 5 years Bob Lantz cluster: add batchStartup/Shutdown, cleanup
  mininet a4e93368 over 5 years Bob Lantz Set batch=False in OVSSwitch for low-level API ...
  util 24520fc9 almost 6 years Bob Lantz Allow + in version number
.gitattributes 17 Bytes 29884297 about 8 years Bob Lantz show method names in git diff output
.gitignore 106 Bytes 4f33cad0 about 8 years Bob Lantz Ignore more stuff, notably generated docs and m...
.pylint 9.02 KB e341526f almost 6 years Bob Lantz Raise line limit to 4000 for miniedit.py (see n...
CONTRIBUTORS 914 Bytes 083322a2 almost 6 years Bob Lantz Draft update for Mininet 2.2b0
INSTALL 5.32 KB f7b29333 almost 6 years Bob Lantz 2.2.0 -> 2.2.0+
LICENSE 1.66 KB f7b29333 almost 6 years Bob Lantz 2.2.0 -> 2.2.0+
Makefile 1.73 KB beeea4b2 almost 6 years Bob Lantz Exclude miniedit from pep8 checking for now (A...
README.md 5.1 KB f7b29333 almost 6 years Bob Lantz 2.2.0 -> 2.2.0+
mnexec.c 5.59 KB 9b5fa1d7 almost 6 years Bob Lantz Always chdir() to current working directory.
setup.py 1.19 KB 896c4cbc about 7 years Bob Lantz Edits for 2.1.0

Latest revisions

# Date Author Comment
a4e93368 01/29/2015 08:26 AM Bob Lantz

Set batch=False in OVSSwitch for low-level API

If you try to use the low-level API, you are probably
not going to call batchStartup()! So, we set batch=False
by default. This means that buildFromTopo() needs to set
it to True, so we add a bit of irritatingly complex machinery...

c11e9f33 01/29/2015 01:04 AM Bob Lantz

Fix OVS user switch (remove unnecessary % parameter)

acdcf9b6 01/27/2015 11:27 PM Bob Lantz

cluster: add batchStartup/Shutdown, cleanup

c702840a 01/27/2015 11:24 PM Bob Lantz

Remove debug print lines

254fae2d 01/27/2015 11:23 PM Bob Lantz

Clarify which intf pair failed and raise exception

bdad3e8c 01/27/2015 02:01 AM Bob Lantz

Merge OVSBatch into OVSSwitch

Note that we are changing the interface of batchStartup/Shutdown
slightly so that the method can choose not to start some of the
switches. We might wish to refine this a bit...

574d634f 01/26/2015 10:06 PM Bob Lantz

Don't clean up links that may have been dumped into root NS.

This should rarely happen - in the usual case, either the
links will be shut down by Mininet.stop(), or the interfaces
will be deleted by node.stop( deleteIntfs=True ), or the
links or interfaces will be explicitly deleted or stopped...

eafbd2a5 01/26/2015 10:06 PM Bob Lantz

Change to OVSSwitch

7485b035 01/26/2015 10:06 PM Bob Lantz

make 'ovs-vsctl' string symmetric

8014a702 01/26/2015 10:06 PM Bob Lantz

Fix super() typo

View all revisions | View revisions

README


Mininet: Rapid Prototyping for Software Defined Networks

The best way to emulate almost any network on your laptop!

Mininet 2.2.0+

What is Mininet?

Mininet emulates a complete network of hosts, links, and switches on a single machine. To create a sample two-host, one-switch network, just run:

sudo mn

Mininet is useful for interactive development, testing, and demos, especially those using OpenFlow and SDN. OpenFlow-based network controllers prototyped in Mininet can usually be transferred to hardware with minimal changes for full line-rate execution.

How does it work?

Mininet creates virtual networks using process-based virtualization and network namespaces - features that are available in recent Linux kernels. In Mininet, hosts are emulated as bash processes running in a network namespace, so any code that would normally run on a Linux server (like a web server or client program) should run just fine within a Mininet "Host". The Mininet "Host" will have its own private network interface and can only see its own processes. Switches in Mininet are software-based switches like Open vSwitch or the OpenFlow reference switch. Links are virtual ethernet pairs, which live in the Linux kernel and connect our emulated switches to emulated hosts (processes).

Features

Mininet includes:

  • A command-line launcher (mn) to instantiate networks.

  • A handy Python API for creating networks of varying sizes and topologies.

  • Examples (in the examples/ directory) to help you get started.

  • Full API documentation via Python help() docstrings, as well as the ability to generate PDF/HTML documentation with make doc.

  • Parametrized topologies (Topo subclasses) using the Mininet object. For example, a tree network may be created with the command:

    mn --topo tree,depth=2,fanout=3

  • A command-line interface (CLI class) which provides useful diagnostic commands (like iperf and ping), as well as the ability to run a command to a node. For example,

    mininet> h11 ifconfig -a

    tells host h11 to run the command ifconfig -a

  • A "cleanup" command to get rid of junk (interfaces, processes, files in /tmp, etc.) which might be left around by Mininet or Linux. Try this if things stop working!

    mn -c

New features in this release

This release provides a number of bug fixes as well as several new features, including:

  • Improved OpenFlow 1.3 support

    • mn --switch ovs,protocols=openflow13 starts OVS in 1.3 mode
    • install.sh -w installs a 1.3-compatible Wireshark dissector using Loxigen
    • install.sh -y installs the Ryu 1.3-compatible controller
  • A new nodelib.py node library, and new Node types including LinuxBridge, OVSBridge, LinuxRouter (see examples/) and NAT

  • A --nat option which connects a Mininet network to your LAN using NAT (For this to work correctly, Mininet's --ipbase subnet should not overlap with any external or internet IP addresses you wish to use)

  • An improved MiniEdit GUI (examples/miniedit.py) - thanks to Gregory Gee

  • Support for multiple --custom arguments to mn

  • Experimental cluster support - consult the documentation for details - as well as examples/cluster.py and an experimental --cluster option for topologies built with the default Host and OVSSwitch classes:

    mn --cluster localhost,server1,server2

Note that examples contain experimental features which might "graduate" into mainline Mininet in the future, but they should not be considered a stable part of the Mininet API!

A number of bugs have also been fixed, most notably multiple link support in Topo(). See github issues and the release notes on the Mininet wiki for additional information.

Installation

See INSTALL for installation instructions and details.

Documentation

In addition to the API documentation (make doc), much useful information, including a Mininet walkthrough and an introduction to the Python API, is available on the Mininet Web Site. There is also a wiki which you are encouraged to read and to contribute to, particularly the Frequently Asked Questions (FAQ.)

Support

Mininet is community-supported. We encourage you to join the Mininet mailing list, mininet-discuss at:

https://mailman.stanford.edu/mailman/listinfo/mininet-discuss

Join Us

Mininet is an open source project and is currently hosted at https://github.com/mininet. You are encouraged to download the code, examine it, modify it, and submit bug reports, bug fixes, feature requests, new features and other issues and pull requests. Thanks to everyone who has contributed code to the Mininet project (see CONTRIBUTORS for more info!) It is because of everyone's hard work that Mininet continues to grow and improve.

Enjoy Mininet

Best wishes, and we look forward to seeing what you can do with Mininet to change the networking world!

The Mininet Core Team:

  • Bob Lantz
  • Brian O'Connor
  • Cody Burkard

Thanks again to all of the Mininet contributors, particularly Gregory Gee for his work on MiniEdit.

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