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. >