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Re: [mosquitto-dev] bind_interface with keepalived 
Please show your new mosquitto.conf file.

The order of these options is important.

On 10/02/2022 14:13, Ivan Kunz wrote:

Hi Robert,
    Thanks for the hint. The behavior is the same though. Still listens only on a .36 and not .53. I have the listener defined now as 1883 0.0.0.0 and that solves the problem for now, but would be nice to be able to limit to a single interface.
Thank you,
    Ivan


On Feb 10, 2022, at 8:30 AM, Roger Light <roger@xxxxxxxxxx> wrote:

Hi Ivan,

Please explicitly define your listener first:

```
listener 1883
bind_interface enxb827eb745276
```

Regards,

Roger

On Thu, 10 Feb 2022 at 00:50, Ivan Kunz <ivan.kunz@xxxxxxxxx> wrote:


Hi all,

I have setup with keepalived and my interface has both local and "global" IP address assigned. When I use bind_interface mosquito only listens on the local interface. The config file is very simple

```
# /usr/share/doc/mosquitto/examples/mosquitto.conf.example
bind_interface enxb827eb745276

allow_anonymous true
socket_domain ipv4
pid_file /var/run/mosquitto/mosquitto.pid

persistence false
persistence_location /var/lib/mosquitto/

log_dest file /var/log/mosquitto/mosquitto.log

include_dir /etc/mosquitto/conf.d
```

The interface is:

```
2: enxb827eb745276: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether b8:27:eb:74:52:76 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.36/24 brd 192.168.1.255 scope global dynamic noprefixroute enxb827eb745276
       valid_lft 5372sec preferred_lft 4472sec
    inet 192.168.1.53/32 scope global enxb827eb745276
       valid_lft forever preferred_lft forever
    inet6 fd6e:ff9c:7cb8:4ff7:ba27:ebff:fe74:5276/64 scope global dynamic mngtmpaddr
       valid_lft 1629sec preferred_lft 1629sec
    inet6 fe80::ba27:ebff:fe74:5276/64 scope link
       valid_lft forever preferred_lft forever
```

And the resulting listen
```
➜  ~ sudo netstat -lnp | grep 1883
tcp        0      0 192.168.1.36:1883       0.0.0.0:*               LISTEN      14591/mosquitto
```

This means I cannot get to the server via the VIP. Is there a way to configure this?

Thank you,
   Ivan
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