Okay thank you for your answer.
I have another question. I want to notify the controller about an upcoming
handover ( before it occurs) is there a specific type of message for this
notification? How can I achieve this?
Thanks in advance,
Nadia
On Wed, Apr 4, 2018 at 6:06 AM, IWAMOTO Toshihiro <iwam...@valinux.co.jp>
wrote:
> On Mon, 02 Apr 2018 17:18:57 +0900,
> nadia mouawad wrote:
> > I newly started to learn Ryu and I am trying to integrate it with
> > mininet-wifi.
> >
> > This is my topology:
> > def topology():
> > "Create a network."
> > net = Mininet_wifi( controller=RemoteController,
> > accessPoint=OVSKernelAP)
> > print "*** Creating nodes"
> >
> > sta1 = net.addStation( 'sta1', mac='00:00:00:00:00:02', ip='
> 10.0.0.2/8',
> > position='40,40,0' )
> > sta2 = net.addStation( 'sta2', mac='00:00:00:00:00:03', ip='
> 10.0.0.3/8',
> > position='40,50,0')
> >
> > ap1 = net.addAccessPoint( 'ap1', ssid= 'new-ssid1', dpid='1', mode=
> > 'g', channel= '5', position='25,50,0' , range = 120,
> > mac='00:00:00:00:00:04')
> > ap2 = net.addAccessPoint( 'ap2', ssid= 'new-ssid2', dpid='2', mode=
> > 'g', channel= '5', position='50,100,0' , range = 120 ,
> > mac='00:00:00:00:00:05')
> > c0 = net.addController( 'c0' , controller = RemoteController,
> > ip='192.168.110.187')
> >
> >
> > When I try to run gui_topology.py or shortestpath,py I get the following
> > (repeatable) output:
> >
> > DPSET: Multiple connections from 0000000000000001
> > Multiple connections from 0000000000000001
> >
> > However, I can not see the topology or the links.
>
> You seem to be using the same dpid 0000000000000001 to make multiple
> connections to ryu. Please read the comment in ryu.controller.dpset
> and fix your code to use unique dpids.
>
> --
> IWAMOTO Toshihiro
>
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