Questions tagged [networking]

For questions about networks of Internet of Things devices and their administration, management and security. Consider using more specific tags instead of this where they apply, since this tag is intended for generic questions about networking itself.

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6
votes
2answers
681 views

Web admin panel for embedded Linux IoT devices

Devices like routers always have a web-based administrative interface that allows you to configure many aspects of the device from a web browser. Obviously, this is essentially a web server running on ...
6
votes
3answers
2k views

Is it a good option to send images over LoRa network?

LoRa (Long Range) technology is one of the promising technology which offers long range communication with low power consumption. Therefore when building a device that can be deployed in a no ...
6
votes
3answers
606 views

How can I push data from car-mounted microcontrollers to a remote server?

Firstly, I'm a newbie in the IoT field. Hardware parts are quite new to me. I want to make a small project. That is creating a box attached into a car that can keep track its location and temperature....
6
votes
2answers
3k views

Does Arlo Pro communicate via WiFi?

I just setup an Arlo Pro security camera (made by Netgear) and found it interesting that the system didn't explicitly have me configure a WiFi connection. The setup process consists of hard-wiring the ...
6
votes
1answer
500 views

SSH into an Orange Pi connected to the internet via 2G GSM module

I wanted to SSH into my Orange Pi remotely. It will be connected to the Internet via a 2G GSM module. How should I go about it? Usually it's ssh username@ip address. The setup isn't implemented yet so ...
6
votes
1answer
106 views

Protocol for over 300 metres and minimum of 20 kbytes datarate?

We are trying to choose the most suitable connection protocol for wearable devices, with the following constraints: 300 - 500 devices will simultaneously connect About 1 km2 site area—coverage is ...
6
votes
1answer
93 views

Synchronized data between Hardware's storage and Server's database

I saw in China's bus system, that there are devices inside the bus which can handle e-payments. The process is something like this: Passengers come in the bus. Passengers use a QR-code in their ...
6
votes
1answer
271 views

When using LTE-M's eDRX mode, is the TCP connection still open?

We currently have an IoT device, that connect to our servers using a raw TCP connection over 2G, and from times to times the device send a "keep-alive"-ish message , as we've seen it's consume less ...
6
votes
1answer
121 views

Does 6LowPAN stack helps in requirement of gateway?

After 6LowPAN stack. Every node can have the different internet IPv6 address. So, Is 6LOWPAN stack is present in GATEWAY or sensor mote as well? In a case of sensor mote, is a GATEWAY required? Can't ...
6
votes
1answer
120 views

Could not ping ESP8266 Wifi module connected to an Arduino

I have been working with a water flow counter which sends data over wifi. I'm using an ESP8266 wifi module. Everything is correctly connected and I've gotten to the point where it's correctly ...
6
votes
1answer
496 views

How can I make hostnames accessible?

I am using the Sonoff-Tasmota firmware to configure ESP-8266 devices for my home automation system. These devices log onto the WiFi network and obtain IP addresses via DHCP. The problem is that ...
6
votes
1answer
235 views

Why does 6LoWPAN use additional header compression?

I've been reading about the 6LoWPAN protocol (which is used by Thread, among other network protocols), and it seems to be highly useful for networking, and has the advantage of allowing each device to ...
6
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0answers
706 views

Mobile network on Android Things SoM?

I want to build an Android Things device that can report its location via mobile network (4G LTE, LTE-M if possible, 3G & 2G). How can I plug such a mobile modem and connect it properly down to ...
5
votes
1answer
132 views

How to connect 1 million devices over Layer 3 IP-protocol

I have edited the question after reading about MAC-to-MAC protocol (RMII/MII) here: https://community.nxp.com/thread/316374. My IOT device looks like a USB stick. I am building a datacenter for 1 ...
5
votes
1answer
96 views

When network provisioning happens through a hotspot (for a headless device), how can I notify the user of a failure when switching to station mode?

When a user connects to the hotspot of a headless device for configuring Wi-Fi credentials for device provisioning and if it fails to connect to Wi-Fi once Wi-Fi credentials are saved, the user doesn'...
5
votes
1answer
472 views

How to find remote thing's IP address?

I have a physically remote thing. It's on someone else's network so I can't get a static IP address for it. What is the best way to track its IP address? I can imagine just publishing a "heartbeat" ...
5
votes
0answers
113 views

How to make node select the least preferable parent as preferred parent in RPL protocol?

I would like to simulate in Cooja the following: one of the nodes selects the worst parent that provides the worst routing information as its preferred parent i.e. it breaks the Objective Function ...
5
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0answers
85 views

How will network bootstrapping work for headless embedded-SIM IoT devices?

Is there something akin to the Wi-Fi Alliance DPP (Device Provisioning Protocol) in the world of embedded SIM?1 If so, it would be really nice to get an outline of how it would work at a high level. ...
4
votes
2answers
310 views

Accessing IoT device from remote server using IP address

Is it possible to access an IoT device (which may be a HTTP REST Client or MQTT client) from remote web server over Internet and send text to that particular device (instead of broadcasting message ...
4
votes
2answers
47 views

WLAN Hotspot Internet sharing possibilities?

I figure this is the best place to ask. Many IOT devices need to be connected to a network, and sometimes require Internet access, but not 100% of the time. Usually it's fine to just connect them to ...
4
votes
2answers
919 views

Using Raspberry Pi as a Lora Node for a TTN setup

I already have a LoRa gateway that I made using a NodeMcu with ESP8266 and now I want to send data from a Raspberry Pi 3 through that gateway to the TTN. The first thing that I did was to connect ...
4
votes
1answer
58 views

How to access internet-connected home when phone moves between LAN Wi-Fi and Cellular?

My 20-year-old home control computer is on my LAN and has incoming port forwards for remote access. My iPhone can access it either way, but I have to stop and think which connection it is using, so ...
4
votes
1answer
819 views

How to convert messages between CoAP and MQTT protocols?

I am a master student and my topic is about making protocol conversion among IoT communication protocols for example between CoAP and MQTT in order to make the devices that use MQTT protocol to ...
4
votes
1answer
129 views

Efficient Server- and Protocol structure for raspberry, smartphone and 3rd-party-device network

I am new to this forum and this field. I am looking forward to good criticism and tutorials/links/instructing suggestions to build a nice system with as less effort as possible while achieving all ...
4
votes
1answer
204 views

Remote com (serial) connection through cellular IoT

We need to be able to make a com (serial) connection remotely off site from PLC type device. We have completed a POC for sending some signals to Azure IoT utilizing a Siemens IoT2020 running linux ...
4
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0answers
70 views

Microchip RN2903: TX/RX distance with internal antenna

My question is about the maximum transmission distance achieved with the Microchip SoC RN2903, only using its internal antenna. I've been doing field tests in urban environments, with this module and ...
4
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0answers
126 views

Can we setup a virtualized smart home in VMware for simulation purposes? [closed]

I want to assess an algorithm in an IoT network. Can we use VMware to setup a network of devices like TV, fridge as well as laptops and then analyzing service discovery packets which are being ...
3
votes
2answers
365 views

Raspberry Pi outdoor connectivity for large farm [closed]

I have several raspberry pi zeros connected to agricultural sensors in a large farm(1500+ acres). What is my best solution for getting the agricultural data from them wirelessly? I want to get the ...
3
votes
1answer
45 views

Do I need different certificates for every thing?

I'm learning AWS and I created a new thing with the required certificates to access it via MQTT: root-CA.crt .private.key .cert.pem If I'm not wrong the root-CA.crt file will be the same for all the ...
3
votes
1answer
68 views

Connect to I/O remote through VPN router

I have two I/O remotes hooked up to a router running as an OpenVPN client. I am trying to connect to the devices from remote, but it is not working. The VPN connection works fine, and I can access ...
3
votes
1answer
44 views

Can you intercept outgoing messages from devices on your LAN?

Many IoT systems have 3rd-party APIs people have reverse-engineered so they can add custom integrations, but these all work by impersonating the app, receiving updates from the server. If I'm on my ...
3
votes
1answer
66 views

Is static IP needed if using VPN to connect to IoT devices?

I have an IoT solution that I need to connect to from remote. I don't have access to open ports nor set static IPs on-site where the IoT devices will be hosted so I was looking for other solutions. ...
3
votes
1answer
51 views

Cellular Base station from ethernet

Does anyone know of any devices that can take an ethernet connection and turn it into 4g to act as a base station? I am trying to find a solution to test data connection for a significant amount of ...
3
votes
0answers
296 views

Is Amazon AWS IoT recognised as being compliant with oneM2M standards? [closed]

I would like to know if Amazon AWS IoT are acknowledged as being compliant with the standards published by oneM2M. Specifically, the Functional Architecture standard seems relevant to the layer that ...
2
votes
1answer
164 views

How Smart Home devices communication works

I have a big doubt that I'm not able to solve. Basically, I want to understand how the smart device that I have in my home communicate with their servers, or better, how their servers can call its ...
2
votes
2answers
44 views

How do I minimize cellular data usage for my embedded project?

I have an embedded project that is transferring data from the device to my server over a TLS cellular connection. The device needs to communicate with the server only when the sensor captures some ...
2
votes
2answers
263 views

Stream Raspberry Pi camera to Android/iOS over internet without port forwarding? [closed]

Problem : I want make live stream from my camera attached to Raspberry pi 3 b+, which is connected to home WiFi. Streaming should be over internet. So that any client like Android/ iOS can stream it ...
2
votes
1answer
92 views

How to implement out-of-home when developing an IOT device?

I have a Raspberry Pi that tells you through web sockets and a sensor the amount of electricity you are spending in real time. I created an iPhone app as a front-end that basically just paints the ...
2
votes
1answer
666 views

How to start IoT development to send commands from IoT Hub to Device

I'm a .Net developer recently started working on WindowsAzure IoT, but my role is just creating web API's to provide data to client (Mobile App) sent by IoT devices. I want to send commands to ...
2
votes
1answer
1k views

What's the size in bytes of a single, TLS-encrypted MQTT message?

To determine the use of bandwidth usage, I need to know the exact size of a MQTT message sent from a device to a server. This message looks something like this: client.publish(topic="foo", payload="...
2
votes
1answer
1k views

Will disabling my network's SSID broadcast cause my WPA encryption to be disabled? [closed]

I encountered this message when I tried to disable the SSID broadcast of my home network. Does this mean that my router's Wi-Fi connection will no longer be encrypted? Sorry I'm pretty new to ...
2
votes
1answer
41 views

What's the formal name of this network configuration?

I'm researching a network inside another that can't access the internet but can be accessed by the internet. I've seen terms like cascading and heard something like a "v" configuration but neither ...
2
votes
1answer
378 views

Can I control Philips Hue lights locally using Samsung SmartThings?

SmartThings v2 Hubs can process some automations locally: Some preconfigured automations can run locally. Manual, on-demand control of a device or SmartApp through the SmartThings mobile app always ...
2
votes
1answer
62 views

Board to act as a hotspot and connect to Internet

Please excuse the very vague title, I had no idea how to condense my question into a title. Unit A - ESP32 Unit B - what I am looking for HOME_WIFI - The wifi network broadcasted within my home. ...
2
votes
1answer
39 views

Is Google home an IoT Device or a WSN base station?

They say Google home is an IoT device but it has the ability to control other devices like lights, Air conditioners, etc. (in smart homes) which is more like a base station in the Wireless sensor ...
2
votes
1answer
638 views

Connect Onion Omega2 to static ethernet [closed]

I can't get my Onion Omega2 to connect to my ethernet via a static IP address and two DNS addresses. To connect my PC, I have to set the following: IP address: 82.149.xxx.xxx subnet mask: 255.255.255....
2
votes
0answers
34 views

Industrial programmable radio transceiver

(I hope this kind of questions are tolerated here. Otherwise, please say it in the comment and I will delete the question) I have to create a wireless network of over 200 devices, placed in the same ...
2
votes
0answers
900 views

Simple NAT implementation on ESP32

I have an ESP32 wroom32 that has WiFi internally and an ethernet port. I want to be able to connect my phone to the WiFi and access a webserver running on the ethernet port. Schematically this looks ...
2
votes
0answers
76 views

Connect IoT devices to AWS

I have a Moxa I/O Remote connected to a Raspberry Pi running some scripts through pymodbus. I am using MQTT to publish & receive changes/requests in the I/O remote to a web service. The idea is ...
1
vote
2answers
181 views

Build a “Smart Home”—Lack of Security [closed]

I am preparing to make my home smarter and for some reasons I am not happy. I read several articles about secure the smart home, but there was no clear solution. I don't know why, but it seems that ...