This error shows, you are running controller on openflow 1.3 protocol and
minininet wifi(switch) on openflow 1.0 version . Hence openflow versions
are incompatible.
On Wed, Mar 2, 2022 at 4:00 PM Alka Sharma <alkamarken...@gmail.com> wrote:
> kindly reply
>
> On Tue, Mar 1, 2022 at 1:50 AM Alka Sharma <alkamarken...@gmail.com>
> wrote:
>
>> Good evening
>>
>>
>> I am new to ryu controller , I am running a topology of mobile nodes in
>> mininet wifi . whenever i run a file having inside ryu controller which is
>> using openflow 1.3, I get an error as
>>
>>
>> mininet@mininet-vm:~/ryu$ ryu-manager ryu.app.simple_switch_13
>> loading app ryu.app.simple_switch_13
>> loading app ryu.controller.ofp_handler
>> instantiating app ryu.app.simple_switch_13 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] on datapath ('127.0.0.1', 45402)
>> unsupported version 0x1. If possible, set the switch to use one of the
>>
>> versions [4] on datapath ('127.0.0.1', 45404)
>>
>>
>>
>> I am using open virtual switch as 2.13.3 which has support for openflow 1.3
>> , so if both controller and my mininet wifi support this version , Why i am
>> getting this error ?
>>
>>
>> I have also set openflow protocol version 1.3 manually in the terminal as I
>> read somewhere that switches default openflow version in 1 the command i
>> used to set openflow version 1.3 is
>>
>>
>> sudo ovs-vsctl set bridge dr5 protocols=OpenFlow13
>>
>>
>>
>> Kindly help to resolve the issue
>>
>>
>> Thanks and regards
>>
>>
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