But there is some problem due to my 2nd code becuase when I ran the pox
without my 2nd code. All host were able to ping each other.
Its when i installed a rule to the switch they stop pinging.
On Mon, Dec 15, 2014 at 12:00 PM, Murphy McCauley <murphy.mccau...@gmail.com
> wrote:
>
> I don't know that. Seems like a Mininet question.
>
> I always set up Mininet to use a remote controller and then just run POX
> myself. By default, POX displays its log on standard output.
>
> -- Murphy
>
> On Dec 14, 2014, at 10:27 PM, chaitanya tanwar <chaitanya.tan...@gmail.com>
> wrote:
>
> I am new to SDN. How can i check to POX logs?
> In mininet its just showing that POX is up and POX controller is connected
> to all the switches.
>
> Thanks.
>
> On Mon, Dec 15, 2014 at 11:53 AM, Murphy McCauley <
> murphy.mccau...@gmail.com> wrote:
>>
>> Does your POX log have any warnings or errors in it? Those can be really
>> informative.
>>
>> -- Murphy
>>
>> On Dec 14, 2014, at 9:56 PM, chaitanya tanwar <chaitanya.tan...@gmail.com>
>> wrote:
>>
>> *I have created a network using the following code, and pox as remote
>> controller with l2.learning module.*
>>
>>
>> #!/usr/bin/python
>> from mininet.net import Mininet
>> from mininet.node import Controller, RemoteController, OVSController
>> from mininet.node import CPULimitedHost, Host, Node
>> from mininet.node import OVSKernelSwitch, UserSwitch
>> from mininet.node import IVSSwitch
>> from mininet.cli import CLI
>> from mininet.log import setLogLevel, info
>> from mininet.link import TCLink, Intf
>>
>> def myNetwork():
>>
>> net = Mininet( topo=None,
>> build=False,
>> ipBase='10.0.0.0/8')
>>
>> #info( '*** Adding controller\n' )
>> #c0=net.addController(name='c0',
>> # controller=None)
>> info( '*** Add switches\n')
>> s1 = net.addSwitch('s1', cls=OVSKernelSwitch)
>> s2 = net.addSwitch('s2', cls=OVSKernelSwitch)
>> s3 = net.addSwitch('s3', cls=OVSKernelSwitch)
>> info( '*** Add hosts\n')
>>
>> h1 = net.addHost('h1', cls=Host, mac='00:00:00:00:00:01', ip='
>> 10.0.0.2/24', defaultRoute='h1-eth0')
>> h2 = net.addHost('h2', cls=Host, mac='00:00:00:00:00:02', ip='
>> 10.0.0.3/24', defaultRoute='h2-eth0')
>> h4 = net.addHost('h4', cls=Host, mac='00:00:00:00:00:04', ip='
>> 20.0.0.3/24', defaultRoute='h4-eth0')
>> h3 = net.addHost('h3', cls=Host, mac='00:00:00:00:00:03', ip='
>> 30.0.0.2/24', defaultRoute='h3-eth0')
>> h5 = net.addHost('h5', cls=Host, mac='00:00:00:00:00:05', ip='
>> 20.0.0.3/24', defaultRoute='h5-eth0')
>>
>> info( '*** Add links\n')
>> linkBW = {'bw':100}
>> net.addLink(h1, s1, cls=TCLink , **linkBW)
>> net.addLink(h2, s1, cls=TCLink , **linkBW)
>> net.addLink(h3, s2, cls=TCLink , **linkBW)
>> net.addLink(h4, s3, cls=TCLink , **linkBW)
>> net.addLink(h5, s3, cls=TCLink , **linkBW)
>> net.addLink(s1, s2, cls=TCLink , **linkBW)
>> net.addLink(s3, s2, cls=TCLink , **linkBW)
>> 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])
>> net.get('s3')#.start([c0])
>> info( '*** Configuring switches\n')
>>
>> CLI(net)
>> net.stop()
>>
>> if __name__ == '__main__':
>> setLogLevel( 'info' )
>> myNetwork()
>>
>>
>> *I am able to ping to each other.*
>> *But now I want add an entry to all switch. If h2 sends packet to h3 then
>> divert it to h5 on the basis of IP addresses by the following code.*
>>
>>
>> from pox.core import core
>> import pox.openflow.libopenflow_01 as of
>> from pox.lib.revent import *
>> from pox.lib.util import dpidToStr
>> from pox.lib.addresses import EthAddr
>> from collections import namedtuple
>> import os
>>
>> log = core.getLogger()
>>
>> class Diversion(EventMixin):
>> def __init__ (self) :
>> self.listenTo(core.openflow)
>> log.debug("Enabling Diversion Module")
>>
>> def _handle_ConnectionUp (self, event):
>> msg = of.ofp_flow_mod()
>> msg.match = of.ofp_match(nw_src = IPAddr("10.0.0.3"),nw_dst =
>> IPAddr("10.0.0.3"))
>>
>> msg.actions.append(ofp_action_nw_addr.set_dst(IPAddr("192.168.1.14")))
>> self.connection.send(msg)
>> log.debug(" rules installed on %s", dpidToStr(event.dpid))
>>
>> def launch():
>> core.registerNew(Diversion)
>>
>>
>> *But now i am not able to ping any of the host..*
>>
>> *Please direct me to the error.*
>>
>>
>> Thanks and Regards.
>>
>>
>>
>
