Re: [mosquitto-dev] sub:Connecting with broker on different LAN network

[Manuel Domínguez Dorado <manolodd@xxxxxxxxx>]

I don't know whether this is the correct place or not. But... this is the tip:

1) Check if you are able to reach the broker from the client host. Not using the client itself but running some test from the operating system where the client is. The most basic one, using the tool "ping". "ping X.X.X.X" where X.X.X.X is the IP of the broker. If you are not able to connect... you should have to configure your client LAN to reach the broker host.

2) If you can reach your broker's host using the aforementioned command, then you have IP connectivity between both LANs, and you should check that there is not a firewall blocking MQTT traffic or access to the port 1883 from the client LAN to the broker LAN.

These thips should be enough to assure your network connectivity between your client and the broker.

Regards.

2017-04-27 14:18 GMT+02:00 Nitish R <nitish@xxxxxxxxxxxxx>:

hi, Thanks for your quick reply.since i am new to IOT and mqtt i don t know where to post such questions.if anyway possible you could help in this plz do.otherwise Thanks for your reply

On Thu, Apr 27, 2017 at 4:59 PM, Manuel Domínguez Dorado <manolodd@xxxxxxxxx> wrote:

This seems to be a network error, not a development problem. Have you checked that you are able to reach the target network from the client one?

PING X.X.X.X

Regards.

2017-04-27 12:58 GMT+02:00 Nitish R <nitish@xxxxxxxxxxxxx>:

hi,

  I have implemented basic chat application using Mosquitto MQTT  using python 2.7 within same network.now improving further i am trying to implement the same with different LAN network. I have connected Publisher and broker in same network and Subscriber in different LAN network

The packages i use are paho.mqtt

While implementing Subscriber I am getting this error 
Traceback (most recent call last):
  File "sub.py", line 18, in <module>
    c1.connect(broker,port)
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 700, in connect
    return self.reconnect()
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 822, in reconnect
    sock = socket.create_connection((self._host, self._port), source_address=(self._bind_address, 0))
  File "/usr/lib/python2.7/socket.py", line 575, in create_connection
    raise err
socket.error: [Errno 113] No route to host

Kindly help me out in solving this issue

Thanks,

--

Nitish.R

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---
Manuel Domínguez Dorado
Software engineer (Ph.D, M.Sc., B.Sc.)
Certified Project Management Professional (PMP)
ingeniero@xxxxxxxxxxxxxxxxxxx
http://www.ManoloDominguez.com
(+34) 607 418 760

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Nitish.R

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---
Manuel Domínguez Dorado
Software engineer (Ph.D, M.Sc., B.Sc.)
Certified Project Management Professional (PMP)
ingeniero@xxxxxxxxxxxxxxxxxxx
http://www.ManoloDominguez.com
(+34) 607 418 760