Re: [Ryu-devel] regarding mismatch error between switch in Mininet wifi andthe controller

[Alka S. <alk...@gm...>]

kindly reply

On Tue, Mar 1, 2022 at 1:50 AM Alka Sharma <alk...@gm...> wrote:

> Good evening
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> 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
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> 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)
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> 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 ?
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> 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
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> sudo ovs-vsctl set bridge dr5 protocols=OpenFlow13
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> Kindly help to resolve the issue
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> Thanks and regards
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