Hello,

 

>At the controller side, I have started

>./bin/ryu-manager ryu/app/simple_switch_12.py

 

You should just run simple_switch_13 instead, if you want to specify 
protocols=OpenFlow13 in the switch.

 

From: Ruchika Luthra [mailto:h2013...@pilani.bits-pilani.ac.in] 
Sent: Monday, March 02, 2015 6:01 PM
To: ryu-devel@lists.sourceforge.net
Subject: [Ryu-devel] Ryu controller + Ofsoftswitch13 + Mininet Topology 
Integration Issues

 

I tried to create a simple mininet topology using

sudo mn --topo single,2 --mac --switch user,protocols=OpenFlow13 --controller 
remote,ip=192.168.56.101

//Here Controller in consideration is Ryu Controller.

 

My main aim is to capture the messages exchanged between switch and controller 
using wireshark.

 

At the controller side, I have started

./bin/ryu-manager ryu/app/simple_switch_12.py

 

Now the topology is created and the switch is connected to the controller.

Now When I try to do 

h1 ping h2

It states Destination Host unreachable which is fine because there is not rule 
in the flow table to direct the traffic. However, I wanted to capture the ARP 
Request forwarded by the switch to the controller. In response of which the 
flow table was populated by the controller. But here, if I input the flow table 
entries using dpctl like this, I am not able to capture the ARP request message.

 

$ sudo dpctl  unix:/tmp/s1 flow-mod table=0,cmd=add in_port=1 apply:output=2

$ sudo dpctl  unix:/tmp/s1 flow-mod table=0,cmd=add in_port=2 apply:output=1

 

Can you please help me know, what am I doing wrong in this?

 

Also at the controller side, when using verbose I got the following error about 
the version mismatch of openflow. 



 

 

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