[riot-notifications] [RIOT-OS/RIOT] MQTT-SN (#11644)

cooldwq notifications at github.com
Thu Jun 6 14:07:29 CEST 2019


Hello Everyone, i am new here, hope to get Support.

1. .When I Subscribe[sub Topic] to a Topic from a RIOT Node, I don't get an Output same as [Publishing Topic] in the "make term" -Terminal, i have only 'Now subscribed to Topic''. But I noticed via Wireshark that a communication with the RIOT node has taken place, am i doing something wrong, or are there other ways to get the 'Topic' by Sub?  Please see Window 4.
![Struktur](https://user-images.githubusercontent.com/16120674/59031546-465b3380-8864-11e9-9406-4570886649ea.png)
 
![Consolen](https://user-images.githubusercontent.com/16120674/59031538-41967f80-8864-11e9-97b5-a3795cf87067.png)

2. If I want to create a connection to the MQTT broker (middle con [IPv6]) from 2 different RIOT Nodes, the MQTT-SN Broker - RSMB tells me when trying to connect the 2nd riot node with that there is already a connection with the client ( "duplicate connection from identifier gertrud") and disconnects the first connection, the second riot node is then connected to the broker, the first no longer there. I wanted to ask you if this behavior is known to you and you know a solution, or if this is more of a mistake with the broker.



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https://github.com/RIOT-OS/RIOT/issues/11644
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