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Mininet Installation/Configuration Notes
----------------------------------------
Mininet 2.3.1b1
---
The supported installation methods for Mininet are 1) using a
pre-built VM image, and 2) native installation on Ubuntu. You can also
easily create your own Mininet VM image (4).
(Other distributions may be supported in the future - if you would
like to contribute an installation script, we would welcome it!)
1. Easiest "installation" - use our pre-built VM image!
The easiest way to get Mininet running is to start with one of our
pre-built virtual machine images from <http://mininet.org/>
Boot up the VM image, log in, and follow the instructions on the
Mininet web site.
One advantage of using the VM image is that it doesn't mess with
your native OS installation or damage it in any way.
Although a single Mininet instance can simulate multiple networks
with multiple controllers, only one Mininet instance may currently
be run at a time, and Mininet requires root access in the machine
it's running on. Therefore, if you have a multiuser system, you
may wish to consider running Mininet in a VM.
2. Next-easiest option: use our Ubuntu package!
To install Mininet itself (i.e. `mn` and the Python API) on Ubuntu
16.04+:
sudo apt-get install mininet
Note: this may install an older version of Mininet which may not
support Python 3. If you would like the latest version of Mininet,
consider installing from source as described in the next section.
3. Native installation from source
If you are running Ubuntu, Debian, or Fedora, you may be able to use
our handy `install.sh` script, which is in `util/`. Please read the
following sections first.
3.1. Obtaining the Mininet source code
If you're reading this, you've probably already done so, but the
command to download the Mininet source code is:
git clone https://github.com/mininet/mininet.git
Note that the above git command will check out the latest and greatest
Mininet (which we recommend!) If you want to run the last
tagged/released version of Mininet, you can look at the release tags
using
cd mininet
git tag
and then
git checkout <release tag>
where <release tag> is the release you want to check out.
3.1.1 *CAUTION: USE AT YOUR OWN RISK!*
`install.sh` can be a bit intrusive and may possibly damage your OS
and/or home directory, by creating/modifying several directories
such as `mininet`, `openflow`, `oftest`, `pox`, etc.. We recommend
trying it in a VM before trying it on a system you use from day to
day.
Although we hope it won't do anything completely terrible, you may
want to look at the script before you run it, and you should make
sure your system and home directory are backed up just in case!
You can change the directory where the dependencies are installed
using the -s <directory> flag.
util/install.sh -s <directory> ...
3.1.2 Running `install.sh`
Installing a "minimal" version of Mininet with Open vSwitch should
be reasonably non-perturbing since it should not create directories
for other tools:
util/install.sh -nv
Note this will not install a controller, so you will have to either
install your own controller, or use a switch such OVSBridge that does
not require a controller:
sudo mn --switch ovsbr --test pingall
To install Mininet itself, the OpenFlow reference controller, and
Open vSwitch, you may use:
util/install.sh -fnv
This should be reasonably quick, and the following command should
work after the installation:
sudo mn --test pingall
3.1.3 Python 3 and Python 2 support
Mininet supports Python 3 and Python 2. By default, `install.sh`
will use whatever `python` is on your system. To specify a
specific version of Pythonm, you can set the PYTHON environment
variable:
PYTHON=python3 util/install.sh -fnv
You can install Mininet for both Python 3 and Python 2:
PYTHON=python2 util/install.sh -fnv
PYTHON=python3 util/install.sh -n
Whichever version was installed last will be the default for `mn`.
As long as Mininet is installed for the appropriate version of
Python, you can run it using that version of Python:
python3 `which mn`
python2 `which mn`
To install ALL of the software which we use for OpenFlow tutorials,
including POX, the OpenFlow WireShark dissector, the `oftest`
framework, and other potentially useful software, you may use:
util/install.sh -a
This takes about 4 minutes on our test system.
3.2. (Experimental) Native installation from source on Fedora:
As root execute the following operations:
* install git
yum install git
* clone the Mininet repository
git clone https://github.com/mininet/mininet.git
* install Mininet, the OpenFlow reference implementation, and
Open vSwitch
util/install.sh -fnv
* enable and start openvswitch
sudo systemctl enable openvswitch
sudo systemctl start openvswitch
* test the mininet installation
sudo mn --test pingall
Note that `install.sh -fnv `may not install all dependencies on Fedora,
and many tests may still fail.
4. Creating your own Mininet/OpenFlow tutorial VM on Ubuntu/Debian
Creating your own Ubuntu Mininet VM for use with the OpenFlow tutorial
is easy! First, create a new Ubuntu VM. Next, run two commands in it:
wget https://raw.github.com/mininet/mininet/master/util/vm/install-mininet-vm.sh
time install-mininet-vm.sh
Finally, verify that Mininet is installed and working in the VM:
sudo mn --test pingall
5. Installation on other Linux distributions
Although we don't support other Linux distributions directly, it
should be possible to install and run Mininet with some degree of
manual effort. People have even gotten `mn --switch user` to run
in a ChromeOS container.
In general, you must have:
* A Linux kernel compiled with network namespace support enabled
* An compatible software switch such as Open vSwitch or
the Linux bridge.
* Python, `bash`, `ping`, `iperf`, etc.
* Root privileges (required for network device access)
We encourage contribution of patches to the `install.sh` script to
support other Linux distributions.
As always, please feel free to submit issues or pull requests for
installation-related features.
Good luck, and have fun!
Mininet Developers
---