The POX network software platform

Related tags

Network Virtualization pox
Overview

POX

POX is a networking software platform written in Python.

POX started life as an OpenFlow controller, but can now also function as an OpenFlow switch, and can be useful for writing networking software in general. It currently supports OpenFlow 1.0 and includes special support for the Open vSwitch/Nicira extensions.

POX versions are named. Starting with POX "gar", POX officially requires Python 3. The last version with support for Python 2 was POX "fangtooth". POX should run under Linux, Mac OS, and Windows. (And just about anywhere else -- we've run it on Android phones, under FreeBSD, Haiku, and elsewhere. All you need is Python!) Some features are not available on all platforms. Linux is the most featureful.

This README contains some information to get you started, but is purposely brief. For more information, please see the full documentation.

Running POX

pox.py boots up POX. It takes a list of component names on the command line, locates the components, calls their launch() function (if it exists), and then transitions to the "up" state.

If you run ./pox.py, it will attempt to find an appropriate Python 3 interpreter itself. In particular, if there is a copy of PyPy in the main POX directory, it will use that (for a potentially large performance boost!). Otherwise it will look for things called python3 and fall back to python. You can also, of course, invoke the desired Python interpreter manually (e.g., python3 pox.py).

The POX commandline optionally starts with POX's own options (see below). This is followed by the name of a POX component, which may be followed by options for that component. This may be followed by further components and their options.

./pox.py [pox-options...] [component] [component-options...] ...

POX Options

While components' options are up to the component (see the component's documentation), as mentioned above, POX has some options of its own. Some useful ones are:

Option Meaning
--verbose print stack traces for initialization exceptions
--no-openflow don't start the openflow module automatically

Components

POX components are basically Python modules with a few POX-specific conventions. They are looked for everywhere that Python normally looks, plus the pox and ext directories. Thus, you can do the following:

./pox.py forwarding.l2_learning

As mentioned above, you can pass options to the components by specifying options after the component name. These are passed to the corresponding module's launch() funcion. For example, if you want to run POX as an OpenFlow controller and control address or port it uses, you can pass those as options to the openflow._01 component:

./pox.py openflow.of_01 --address=10.1.1.1 --port=6634

Further Documentation

The full POX documentation is available on GitHub at https://noxrepo.github.io/pox-doc/html/

Comments
  • Can a host in mininet connect to internet or webserver

    Can a host in mininet connect to internet or webserver

    I am working on a project "Detection of outgoing DDoS attack" I am using mininet with pox-fangtooth controller internet from host this screenshot is the xterm terminal of host h1 I want the hosts in the mininet network to access an external server or a web server Could you kindly guide on how to connect host to internet

    opened by pvshalini 0
  • Redirect traffic after changing host IP address in Mininet

    Redirect traffic after changing host IP address in Mininet

    Hi Good day Your help here is much appreciated

    I am using Meininet install on Ubuntu 20.04

    h1 as tcp server ( using iPerf ) h2 h3 h4 clients

    if change IP for h1 (server)

    • mininet> h1 ifconfig h1-eth0 20.0.0.60 netmask 255.255.255.0

    • How we can redirect h2 h3 h4 clients' traffic without losing concoction ? or Mapping

    • is Pox have components to hand it? or Mapping

    • Does any command line in mininet can handle it?

    • any solution or something to do?

    Please guide me

    Best Regards

    pic
    opened by MohsenBs 1
  • No access to Internet after running POX and connected to OpenWRT router

    No access to Internet after running POX and connected to OpenWRT router

    Hello Dear @MurphyMc

    I have installed POX on ubuntu 20.04 + have installed OVS on the OpenWRT router . .

    I have set the OpenWRT router as an access point, but when I run POX and connect the OpenWRT through ovs , I cant access the internet!

    actually, when using this command: "/ usr/share/openvswitch/scripts/ovs-ctl start" to start listening to pox , the host they connected to OpenWRT router can't access the internet

    did you know why?. before running pox the router worked fine

    thanks in advanced

    opened by EngHassanJ 3
  • Clients IPs are not changed with DHCP

    Clients IPs are not changed with DHCP

    Hi

    I am using Meininet that install on Ubuntu 20.04

    • I have run dhcp with POX command (( proto.dhcpd --network=10.1.1.0/24 --ip=10.1.1.1 --first=10 --last=None --router=None --dns=4.2.2.1))

    • Hosts can get a dynamic address but the address does not change to a different address when DHCP is requested again

    • after dhclient and dhclient -r commands the IP address is still the same on mininet hosts. How can change or renew with different IPs?

    image image

    opened by MohsenBs 6
  • l2_multi always destination host unreachable error

    l2_multi always destination host unreachable error

    hi

    ı am newbie. I can run l2_learning without any problem however try to run l2_multi but ı failed. ı couldnt find the problem.

    my basic mininet topology

    def myNetwork(): net = Mininet( topo=None, build=False, ipBase='10.0.0.0/8')

    info( '*** Adding controller\n' )
c0=net.addController(name='c0',
                  controller=RemoteController,
                  ip='127.0.0.1',
                  protocol='tcp',
                  port=6633)

info( '*** Add switches\n')
s1 = net.addSwitch('s1', cls=OVSKernelSwitch)
s2 = net.addSwitch('s2', cls=OVSKernelSwitch)

info( '*** Add hosts\n')
h1 = net.addHost('h1', cls=Host, ip='10.0.0.1', defaultRoute=None)
h2 = net.addHost('h2', cls=Host, ip='10.0.0.2', defaultRoute=None)

info( '*** Add links\n')
net.addLink(s2, s1)
net.addLink(s1, h1)
net.addLink(s2, h2)

info( '*** Starting network\n')
net.build()
info( '*** Starting controllers\n')
for controller in net.controllers:
    controller.start()

info( '*** Starting switches\n')
net.get('s1').start([c0])
net.get('s2').start([c0])

info( '*** Post configure switches and hosts\n')

CLI(net)
net.stop()

    if name == 'main': setLogLevel( 'info' ) myNetwork()

    and the command that ı run l2_multi

    python3 ./pox.py log.level --DEBUG log --file=mylog,w openflow.discovery forwarding.l2_multi

    the result after that command

    POX 0.7.0 (gar) / Copyright 2011-2021 James McCauley, et al. DEBUG:core:POX 0.7.0 (gar) going up... DEBUG:core:Running on CPython (3.10.6/Aug 10 2022 11:40:04) DEBUG:core:Platform is Linux-5.15.0-50-generic-x86_64-with-glibc2.35 WARNING:version:POX requires one of the following versions of Python: 3.6 3.7 3.8 3.9 WARNING:version:You're running Python 3.10. WARNING:version:If you run into problems, try using a supported version. DEBUG:openflow.of_01:Listening on 0.0.0.0:6633 INFO:core:POX 0.7.0 (gar) is up . INFO:openflow.of_01:[00-00-00-00-00-01 1] connected DEBUG:openflow.discovery:Installing flow for 00-00-00-00-00-01 DEBUG:forwarding.l2_multi:Connect [00-00-00-00-00-01 1] INFO:openflow.of_01:[00-00-00-00-00-02 2] connected DEBUG:openflow.discovery:Installing flow for 00-00-00-00-00-02 DEBUG:forwarding.l2_multi:Connect [00-00-00-00-00-02 2] INFO:openflow.discovery:link detected: 00-00-00-00-00-01.1 -> 00-00-00-00-00-02.1 INFO:openflow.discovery:link detected: 00-00-00-00-00-02.1 -> 00-00-00-00-00-01.1

    then it enters infinte loop like below, even if ı send ping h1 to h2 same issue

    DEBUG:forwarding.l2_multi:Learned 52:97:c0:08:11:46 at 00-00-00-00-00-01.65534 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Learned de:89:93:80:00:45 at 00-00-00-00-00-02.65534 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Learned fe:6b:6c:db:4d:0c at 00-00-00-00-00-01.1 DEBUG:forwarding.l2_multi:Flood multicast from fe:6b:6c:db:4d:0c DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Learned 6a:ae:c2:df:b3:2f at 00-00-00-00-00-02.1 DEBUG:forwarding.l2_multi:Flood multicast from 6a:ae:c2:df:b3:2f DEBUG:forwarding.l2_multi:Flood multicast from fe:6b:6c:db:4d:0c DEBUG:forwarding.l2_multi:Learned da:15:41:67:39:22 at 00-00-00-00-00-01.2 DEBUG:forwarding.l2_multi:Flood multicast from da:15:41:67:39:22 DEBUG:forwarding.l2_multi:Learned 46:cc:6f:63:83:98 at 00-00-00-00-00-02.2 DEBUG:forwarding.l2_multi:Flood multicast from 46:cc:6f:63:83:98 DEBUG:forwarding.l2_multi:Flood multicast from 6a:ae:c2:df:b3:2f DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45 DEBUG:forwarding.l2_multi:Flood multicast from 52:97:c0:08:11:46 DEBUG:forwarding.l2_multi:Flood multicast from de:89:93:80:00:45

    if ı type h1 ping h2, gets below always

    DEBUG:forwarding.l2_multi:Flood multicast from da:15:41:67:39:22

    and destination host unreachable

    or h2 ping h1, gets below always

    DEBUG:forwarding.l2_multi:Flood multicast from 46:cc:6f:63:83:98

    and destination host unreachable

    and when ı debug packet inner while sending ping, ı see that for all my pings

    packet [00:00:00:00:00:02>ff:ff:ff:ff:ff:ff ARP]

    where am i doing wrong. Thanks

    opened by cagataykiziltan 1
  • docs: Fix a few typos

    docs: Fix a few typos

    There are small typos in:

    • pox/forwarding/l2_learning.py
    • pox/messenger/init.py
    • pox/openflow/flow_table.py
    • pox/openflow/of_01.py

    Fixes:

    • Should read somewhat rather than somwhat.
    • Should read received rather than receieved.
    • Should read negotiation rather than negotation.
    • Should read explicitly rather than explicitely.
    • Should read appropriate rather than appopriate.

    Semi-automated pull request generated by https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

    opened by timgates42 1
Owner
NOX Repo
NOX Repo
GitHub https://noxrepo.github.io/pox-doc/html/
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