I would suggest that you keep all configuration for a single listener
together, and that you explicitly define all listeners. At the moment
it is difficult to say what your whole configuration looks like. For
example:
```
listener 1883
bind_interface wlan0
```
It's also worth noting that the bind_interface option will only work
with root privileges. If your IP address is fixed you might be better
off using that instead:
```
listener 1883 192.168.50.15
```
Regards,
Roger
On Mon, 30 Mar 2020 at 12:14, informatique
<
informatique@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> i try using mosquitto on a raspberry PI with Raspbian BUSTER
>
> I have two interfaces the first on cable network (eth0) with an IP
> adresse 192.168.1.15. All work's fine with only this address.
>
> And i have a second interface wlan0 with address 192.168.50.15
>
> I have create a file RPI.conf in the subdirectory /etc/mosquitto.conf.d
> with
>
> bind_interface wlan0
>
> And a this point mosquitto doesn't start, if i delete this file all is OK.
>
> What can i do
>
> Thank's for your help.
>
> --
> François-Marie
>
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