Hi Iwase,
Sure, I just send you the files through here or?
Thanks!
Kind regards,
Jerico
________________________________
Van: Iwase Yusuke <iwase.yusu...@gmail.com>
Verzonden: vrijdag 24 november 2017 9:01
Aan: jeric...@hotmail.com
CC: ryu-devel@lists.sourceforge.net
Onderwerp: Re: [Ryu-devel] simple_switch_13.py
Hi Jerico,
Thanks! You are right!
I could reproduce this issue.
Let's add "eth_src=src".
Could you send a patch for this issue?
Thanks,
Iwase
On 2017年11月24日 16:37, Jerico Moeyersons wrote:
> Hi Iwase,
>
> Thanks for your response! In attach I've added a figure of my setup and with
> that I will try to
> explain the problem:
>
> So, I have two switches, each connected (with a normal port = controller
> port) to the Ryu
> Controller. These switches are interconnected with each other with an
> OF-port. On switch one, there
> are two host, on the second switch only one.
>
> My test case:
> - From Host 3, ping to Host 1 (ping 192.168.0.10) --> No problems, flows are
> added and after some
> time, the learning switch don't receive any package in any more (because of
> the flows)
> - From Host 3, ping to Host 2 (ping 192.168.0.20) --> Here the problem
> starts: because of the ping
> to an unknown host, you will flood. The package will go to the first switch,
> flood, ... But when
> Host 2 responds and the package arrives at the second switch (till here
> everything is working
> normal), this flow won't be added, because the destination (Host 3) is
> already known as a flow. The
> consequence: the source (Host 2) is never added to a flow on the second
> switch, and thus the
> controller will always flood a message on the second switch.
>
> Hope you can reproduce the problem now (FYI: I'm using OF 1.3)! If not, I
> will redo my test and
> provide you with some screenshots.
>
> Thanks in advance!
>
> Kind regards,
>
> Jerico Moeyersons
> ----------------------------------------------------------------------------------------------------
> *Van:* Iwase Yusuke <iwase.yusu...@gmail.com>
> *Verzonden:* vrijdag 24 november 2017 8:04
> *Aan:* jeric...@hotmail.com
> *CC:* ryu-devel@lists.sourceforge.net
> *Onderwerp:* Re: [Ryu-devel] simple_switch_13.py
> Hi Jerico,
>
> Thank you for your report!
>
> Adding "eth_src=src" in the match looks good to me, but please confirm your
> situation.
>
> You mean this issue will occur, when we do the following?
> - Connect to the first switch and learn the connected hosts
> - Connect to the second switch and try to learn the new hosts
> ---> the second switch cannot learn the connected hosts which the first
> switch already know
>
> I asked this question because I couldn't reproduce your situation on my
> environment (Mininet).
>
> Thanks,
> Iwase
>
>
> On 2017年11月24日 00:19, Jerico Moeyersons wrote:
>> Hello everyone,
>>
>> I'm kinda new to bug reporting, so I found this e-mail address. If I need to
>> do it elsewhere, please
>> notify me of that!
>>
>> The reason why I mail you is because I found a 'bug' (or maybe it is the
>> purpose of the example) in
>> the example switch. Here, a flow is added with as match the destination and
>> the in_port. But when
>> you combine two switches (I use the small Zodiac FX switch), this will have
>> the issue that when you
>> want to add a second flow to something on the second switch, no new flow is
>> added (because the
>> destination is know, ...).
>>
>> So my suggestion: add the eth_src=src in the match entry before adding the
>> flow (this solved the
>> issue for me).
>>
>> Can you please provide feedback?
>>
>> Thanks in advance!
>>
>> Kind regards,
>>
>> Jerico Moeyersons
>>
>>
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>>
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