Hi Karthik,
You are trying to use OFv1.3 application on top of Ryu against mininet
which is running OFv1.0 which is resulting in the error.
Try using OFv1.0 application on top of Ryu to prevent the error.
Regards,
Vinay Pai B.H.
On Friday, April 11, 2014, Karthik Sharma <[email protected]> wrote:
> I am new to RYU.I am trying to run a very simple RYU application as shown
> below.
> {noformat}
> ./bin/ryu-manager ryu/app/simple_switch_13.py
> loading app ryu/app/simple_switch_13.py
> loading app ryu.controller.ofp_handler
> instantiating app ryu/app/simple_switch_13.py of SimpleSwitch13
> instantiating app ryu.controller.ofp_handler of OFPHandler
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> {noformat}
>
> I have a mininet running a custom topology on the other terminal on the
> same machine
> {noformat}
> sudo python custom/topo-onos-2.py
> {noformat}
>
> My topology file is given blelow
> {noformat}
> #!/usr/bin/python
>
> from mininet.node import Controller, RemoteController, OVSController
> from mininet.node import CPULimitedHost, Host, Node
> from mininet.node import OVSKernelSwitch, UserSwitch
> from mininet.node import OVSSwitch
> from mininet.net import Mininet
> from mininet.cli import CLI
> from mininet.log import setLogLevel, info
> from mininet.link import TCLink, Intf
>
> def myNetwork():
>
> net = Mininet( topo=None,
> autoStaticArp=True,
> autoSetMacs=True,
> build=False,
> ipBase='10.0.0.0/8')
>
> info( '*** Adding controller\n' )
>
> c0=net.addController(name='c0',
> controller=RemoteController,
> ip='192.168.241.130',
> port=6633)
>
> c1=net.addController(name='c1',
> controller=RemoteController,
> ip='192.168.241.129',
> port=6633)
>
>
> info( '*** Add switches\n')
> s1 = net.addSwitch('s1', cls=OVSKernelSwitch, dpid='0000000000000201')
> s2 = net.addSwitch('s2', cls=OVSKernelSwitch, dpid='0000000000000202')
> s3 = net.addSwitch('s3', cls=OVSKernelSwitch, dpid='0000000000000203')
> s4 = net.addSwitch('s4', cls=OVSKernelSwitch, dpid='0000000000000204')
> s5 = net.addSwitch('s5', cls=OVSKernelSwitch, dpid='0000000000000205')
> s6 = net.addSwitch('s6', cls=OVSKernelSwitch, dpid='0000000000000206')
>
> 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)
> h3 = net.addHost('h3', cls=Host, ip='10.0.0.3', defaultRoute=None)
> h4 = net.addHost('h4', cls=Host, ip='10.0.0.4', defaultRoute=None)
> h5 = net.addHost('h5', cls=Host, ip='10.0.0.5', defaultRoute=None)
> h6 = net.addHost('h6', cls=Host, ip='10.0.0.6', defaultRoute=None)
>
> info( '*** Add links\n')
>
> net.addLink(h1, s1)
> net.addLink(h2, s2)
> net.addLink(h3, s3)
> net.addLink(h4, s4)
> net.addLink(h5, s5)
> net.addLink(h6, s6)
>
> info(' *** switch to switch \n')
> net.addLink(s4, s1)
> net.addLink(s5, s2)
> net.addLink(s6, s3)
>
>
> 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])
> net.get('s4').start([c0])
> net.get('s5').start([c0])
> net.get('s6').start([c0])
>
> info( '*** Configuring switches\n')
>
> CLI(net)
> net.stop()
>
> if __name__ == '__main__':
> setLogLevel( 'info' )
> myNetwork()
> {noformat}
>
> Why am I getting the warning messages that I see below when the topology
> of switches connect to the controller?
> {noformat}
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> unsupported version 0x1. If possible, set the switch to use one of the
> versions [4]
> {noformat}
>
> Thanks & Regards,
> Karthik.
>
--
Vinay Pai B.H.
Grad Student - Computer Science
Viterbi School of Engineering
University of Southern California
Los Angeles, CA, USA
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