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Questions tagged [lwm2m]

Lightweight M2M is an open protocol from the Open Mobile Alliance SpecWorks, the Open Mobile Alliance (OMA) is a standards organization which develops open, international technical standards for the mobile phone industry.

Lightweight M2M is an open protocol from the Open Mobile Alliance SpecWorks, the Open Mobile Alliance (OMA) is a standards organization which develops open, international technical standards for the mobile phone industry.

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Does deleting a LwM2M object instance implicitly delete observations under the instance?

The LwM2M spec does not specify what happens to an object instance's observations when a server deletes the object instance. For example, if a server has installed an observation on /5/0/3, then deletes /5/0 and subsequently creates a new /5/0,…
bgreen0
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LWM2M implementation on Spring boot java application

We have an application on java springboot which would interact with IoT devices via HTTP Rest API. However, there is an IoT device that communicates with the LWM2M protocol. So, I need to set up an LWM2M server and make the application an LWM2M…
Rajnish
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Sending files with varying lengths over lwm2m

I am using Eclipse Leshan to access the resources of a zolertia RE-MOTE. Long story short, I want to send a binary file from my laptop to the board. However, I see that the leshan server may not start the transmission, depending on the file size.…
konstantinosAR
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Custom Object / Instance name is not reflecting in server for LwM2M custom Object

I have created few custom objects within the range of (26241-32768). As per OMA registry spec, we need not have to register the custom objects which are in the range of 26241-32768. I have used lwm2m Leshan 1.0 server and lwm2m IOWA 1.0 client.…
Amrita Sah
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Unable to decode COAP packets in wireshark after succesful DTLS decryption

I am trying to debug an LWM2M protocol issue. I need to know what messages are transferred between the COAP server and the COAP client. As the traffic is encrypted using DTLS, I need to give the pre-shared key in wireshark to see the payload.…
Kiran G
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Cant find documentation about lwm2m / wakaama

I am trying to find accessible information about the lwm2m stack. I am currently looking into wakaama. Unfortunately, I am not able to find any information except a few example applications in the wakaama stack. Not even a API reference! By the way,…
Robert Johansson
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Eclipse Leshan LwM2M Build Failure

I am currently getting myself into the LwM2M topic and I tried the leshan project from eclipse. I followed the README.md on https://github.com/eclipse/leshan. The standalone demos are working fine, but when I try to build the project with "mvn clean…
Silhim
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Lwm2m protocol: is BootStrap server mandatory?

I am new to the IoT Protocols , I was reading OMA documents for Lwm2m. I just want to understand: is LwM2M Bootstrap server mandatory? Or without that also it can work as well?
Pandit Biradar
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SSE with Leshan LWM2M Demo Server

I am trying to do an http api that interact with a Leshan Demo Server. I was trying to handle the OBSERVE in LWM2M, but I need to handle the notification with http. I discovered that leshan notify using SSE. So I was trying to implement the sse…
Andrea Fresa
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unable to connect LWM2M using wakaama client

I am using Emqx V3.1.1. And I am integrating LwM2M plugins. For testing the same I installed Wakaama client in the same server and created build using cmake. I loaded the plugin now plugin is running. Which I tried to run the below…
pujara
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Can we add custom objects in BG96 LwM2M implementation?

We have successfully created a client using the LwM2M implementation on BG96 device. According to the documentation the following LwM2M objects are implemented: Security object Server object Access control object Device object Connectivity…
Abdullah
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Java Lwm2m Bootstrap Server

I would like to connect one LwM2M client to multiple servers LwM2M by bootstrap server. I'm using Leshan (LwM2M implementation in Java). So I'm using Lwm2m demo from github.com/Eclipse/Leshan. I run the server demo, the bootstrap server demo, and…
Hèzouwè AMAOU TALLE
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LwM2M: connection between two LwM2M servers

Is it possible that one LwM2M server will be connected to an other LwM2M server? For example if one LwM2M can be on the gateway level and another LwM2M server is on the cloud, how could I connect the two servers?
sabrina2020
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OMA: LwM2M server architecture and resources?

I am a bit confused about the LwM2M server, I can't find the resources that it contains. On the specifications I only found descriptions about the LwM2M client and the resources that it can contain but I found nothing on the server side besides the…
sabrina2020
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How convert an OMA-DM protocol message to an LWM2M message?

I am working on a device management solution for an IoT device. The device will host an LWM2M client. A gateway device (currently an Intel Galileo board), will host an OMA-DM client and a LWM2M server. The general scenario is that the nodes should…
Suman Roy
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