Hello again Iwase,

Modifying the echo-request-interval and socket-timeout at the ryu.conf
file, doesn't seem to do anything.
Ryu still takes more than 2 minutes to detect a Switch Timeout.

This is what I have at ryu.conf

[DEFAULT]
echo_request_interval=1
socket_timeout=3

Carlos


On 27 November 2017 at 11:47, Carlos Ferreira <carlosmf...@gmail.com> wrote:
> Thank you Iwase
>
> I also found those parameters in the code you just highlighted to me,
> but as you said, they are not configurable via CLI options.
> I will try to use ryu.cfg.
>
> Carlos
>
> On 27 November 2017 at 07:39, Iwase Yusuke <iwase.yusu...@gmail.com> wrote:
>> Hi Carlos,
>>
>> Ryu will detect the switch disconnection with sending OPFEchoRequest
>> messages periodically,
>> because eventlet's socket does not seem to raise the disconnection
>> immediately (due to the
>> non-blocking mode?).
>>
>> If you need to detect switch disconnection more faster, please configure the
>> following options
>> in your "etc/ryu/ryu.conf".
>> These parameter does not seem to be configurable with the CLI options.
>>
>> https://github.com/osrg/ryu/blob/ed2c6eca2227c9efb3c7e51cdd6db6bf578ec609/ryu/controller/controller.py#L76-L87
>>
>> Thanks,
>> Iwase
>>
>>
>>
>> On 2017年11月25日 01:17, Carlos Ferreira wrote:
>>>
>>> Btw, when I ask for the Controller timout being configurable, I meant
>>> for the socket timeout configuration.
>>>
>>> Carlos Miguel Ferreira
>>>
>>> On 24 November 2017 at 14:41, Carlos Ferreira <carlosmf...@gmail.com>
>>> wrote:
>>>>
>>>> Hello to all again.
>>>>
>>>> I'm having an issue regarding the way ryu detects a switch disconnect.
>>>> When I remove the control ethernet cable, which my Zodiac FX switch
>>>> uses to connect to the Ryu controller, Ryu only generates the
>>>> disconnect event after some time (over a minute).
>>>>
>>>> Shouldn't Ryu be generating the event right after a failure to receive
>>>> the periodic Hello Packets? Is the Controller timeout configurable?
>>>>
>>>>
>>>> Carlos Miguel Ferreira
>>>
>>>
>>>
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>>

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