What version and implementation does the microtik switch uses? The way I
read the 1.0 spec, you are not supposed to send a PORT_DOWN message when
you disconnect the cable. It is to be sent when you explicitly configure
the port status "down" (using the port-mod openflow message).


On Wed, May 15, 2013 at 11:07 AM, Etienne Mula <etiennem...@gmail.com>wrote:

> Hi Yiannis,
>
> Thanks for your reply . sorry but didnt really understand here.  I have a
> TP-Link AP and i connected my laptop to it, till here fine the port is
> added and it is shown to the controller. However if i disconnect the port
> from the AP , the OF protocol doesnt sends an Port Status notifications to
> the controller . I want to check if this is normal when using Pantou on
> OpenWRT. On the other hand using a mikrotik switch if i disconnect the
> client it sends the Port status notification to the controller.
>
> Many thanks :)
> Etienne
>
>
> On 15 May 2013 19:58, Yiannis Yiakoumis <yiann...@stanford.edu> wrote:
>
>> Hi Etienne,
>>
>> You are not supposed to get a PORT_DOWN when you remove the cable, it's
>> when it's when "port is administratevely down". (I think there is a
>> link-down bit in newer versions of the spec that would capture this). To
>> change the status of a port you can send an openflow port-mod message.
>>
>> What is your use case? Would a topology/host discovery on the controller
>> help here?
>>
>> Regards,
>> Yiannis
>>
>>
>> On Wed, May 15, 2013 at 10:36 AM, Etienne Mula <etiennem...@gmail.com>wrote:
>>
>>> Hi All, sorry for sending another email however i have a strange thing
>>> happening on the WR-1043ND. Basically when disconnecting a client
>>> irrispective if by cable or issuing ifconfig eth0 down, the AP doesnt send
>>> any port down notifications to the controller. I've checked thorugh
>>> wireshark and infact i confirmed that these are not being recieved. Any
>>> ideas why this is happening please ?
>>>
>>>
>>> Regards
>>> Etienne
>>>
>>> _______________________________________________
>>> openflow-discuss mailing list
>>> openflow-discuss@lists.stanford.edu
>>> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
>>>
>>>
>>
>
>
> --
> Thanks and Regards
> Etienne Mula
>
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