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Ping test between sta and ap failure

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nana

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Sep 26, 2024, 12:42:09 PM9/26/24
to mininet-wifi-discuss
Hi Ramon,

I am working on retrieving some network statistics from the ping test between an sta and an AP. The propagationModel.py file in the examples folder does not set the IP addresses of the APs, and therefore uses the lo interface address during the ping test.

So, I have set the wireless interface of the APs as showed in my topology to enable me perform the ping test between an sta and AP.
topology.PNG

In the do_handover function,  I test the connection status after an sta has been associated with an AP. Then, I perform a ping test between that sta and its associated AP.
doHandover.PNG

When an sta is successfully connected to AP1, I get 0% packet loss.
stas_ap1.PNG
sta1_ap1_output.PNG
sta2_ap1_output.PNG

However, when sta is successfully connected to ap2, I get 100% packet loss. 
stas_ap2.PNG
sta1_ap2_output.PNG
sta2_ap2_output.PNG

It happens throughout the entire simulation period.
Can you please help with why this is happening?

Thank you.


Ramon Fontes

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Sep 26, 2024, 12:47:19 PM9/26/24
to nana, mininet-wifi-discuss
This is a flow table issue. You can find a vast discussion on this topic through this mailing list.

Sent from my android

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nana

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Sep 26, 2024, 12:50:45 PM9/26/24
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Sure, I will go through the discussions.
Thanks for the response.

Ramon Fontes

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Sep 26, 2024, 12:50:49 PM9/26/24
to nana, mininet-wifi-discuss
Btw, I also suggest a review on the mininet features and how ovs works. You should start from the mn-wifi book.

Sent from my android

On Thu, 26 Sept 2024, 13:42 nana, <sbsha...@gmail.com> wrote:
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