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Network setup for a mobile robot base [closed]

I am working on a mobile robot base that is supposed to be controlled from a stationary control station. The robot itself has multiple processors onboard, which are on an internal Ethernet network. ...
feoranis's user avatar
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0 answers
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ROS Bridge docker broadcast topics outside of localhost

I am using the ros_bridge repository in a Docker container. Everything works on my local computer (computer #1) but once I want the published topics to be read over ...
Yato's user avatar
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How to set up ROS2 Fast DDS discovery server between different networks?

I'm trying to get ROS2 nodes from two different networks to talk to each other (ROS2 humble, default rmw_fastrtps_cpp, all running on Ubuntu), but no luck. The network topology looks like this: [...
Bernd Pfrommer's user avatar
1 vote
1 answer
83 views

Losing connectivity on starting nodes in ROS Humble

I am trying to communicate to a Turtlebot 4 from my laptop. I set up the Discovery server as the documentation says and usually I can drive the robot around. However, every time I start anything with ...
Sterling Mcleod's user avatar
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0 answers
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ROS DDS support for IPv6

The big question is: Does ROS2 (humble or iron mainly) support IPv6? With some really basic testing, it would seem that out of the box the answer is no. I started a publisher from the minimal examples ...
jsutcliff's user avatar
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1 answer
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How to get select ROS2 network interface with xml working

I applied this solution for selecting specific networks interfaces for ros2 to use, but when specified, it still seems to end up using other interfaces. Setup I have two devices. Network settings ...
Bart B's user avatar
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1 answer
149 views

Cannot communicate between ROS 2 (in Docker container) on Raspberry Pi and ROS 2 on Laptop

My setup is: ROS 2 Galactic on my laptop (Ubuntu 20.04) ROS 2 Humble in a Docker container on a Raspberry Pi 4 (Ubuntu Server 22.04) Testing communication using: ros2 multicast send and ros2 ...
JassD's user avatar
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0 answers
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Guidance with DDS Setup

I recently stumbles upon this discussion on ROS Discourse. From my understanding of the discussion and of the report, setting up the DDS protocol to work over wi-fi networks requires a bit of ...
Biagio Trimarchi's user avatar
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1 answer
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Trying to connect my raspberry pi ROS with my laptop outside my local network

I am trying to connect my pi's ROS with my laptop(master) and both of them are on different wifi connections After configuring my environment variables I can see the topics but i cannot echo anything ...
Hassan Tamer's user avatar
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0 answers
32 views

Discovery Server - topics fail to recover from network disruption

Summary: Multi robot system, experiencing network interruptions between entities of ~30-120s lapses where all or most traffic fails to get through. When the network recovers, inter-robot communication ...
GSchu's user avatar
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2 answers
167 views

ROS2 topic is limited to localhost

I have a ubuntu 18.04 installed board already setup with ros2 installed. For some reason, ros2 topics are limited to its localhost and are not discoverable from outside like etho0 network. I checked ...
Kyuhyong You's user avatar
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1 answer
169 views

Trouble with running ros1_bridge with external robot using Docker

Show activity on this post. for a project, I have a robot that is running Ubuntu 18.04 with ROS1 Melodic and a desktop that is running Ubuntu 22.04 with ROS2 Humble. In order to use the ROS1 bridge I ...
D_scholten's user avatar
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1 answer
204 views

FastDDS: demo_nodes_cpp between WSL2 and Raspberry Pi

I want to use WSL2 on my development PC to send control signals to nodes running on a Raspberry Pi. To get there I have a three step plan: get connectivity get ros2 humble communications to work get ...
not_a_robot's user avatar
1 vote
3 answers
304 views

ROS2 data exchange over network

I have a question regarding ROS2 data exchange over the network. Let’s assume, I have two hosts that are running some ros nodes over the same network, using ROS_DOMAIN_ID=0, so I broadcast all topics. ...
Filippo Bentivoglio's user avatar
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0 answers
24 views

The host and Jetson Xavier NX lose the ROS2 connection when the Ethernet LiDAR is turned on

i am currently working on a f1tenth project. The RC car has a Hokuyo 10LX Ethernet-connected LiDAR. The host and Jetson are connected through a WiFi router (DLINK DIR 600). The communication between ...
stoic_newton's user avatar
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0 answers
66 views

Zerotier: Why are ros2 talker and listerner working, but ros2 multicast is not

Between an ubuntu server and my laptop is a zerotier network. Working: Talker and listener are working when running them in a docker on both hosts: ...
Timple's user avatar
  • 22
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1 answer
634 views

Can't see ros2 nodes over WiFi network

I am having a problem with my ROS2 network, I have both the robot computer and my personal computer connected to the same WiFi network, however If I launch the ROS 2 code on the robot and try to check ...
Diego Carvajal's user avatar
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1 answer
171 views

Fully decentralized network for mobile robots using ROS2

We want to demonstrate a decentralized algorithm for a team of mobile robots (~ 10 robots). We have WiFi adapters on each robot. It is not clear how we can do peer-to-peer communication between robots....
Marvin's user avatar
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0 answers
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How to specify ROS2 middleware to publish on usb0 network interface instead of eth0?

Recently I am working on a ROS2 project that is intended to publish images from a 3d camera. So far locally everything is implemented and works fine. However the sensor is connected to a NXP that runs ...
user7403337's user avatar
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2 answers
20 views

how to monitor network usage

Hi! We are using ROS1 Noetic on Ubuntu 20.04 with regular desktop version. We have some processes using internet, for example, streaming some topics content to a commercial cloud server, Ntrip RTK ...
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0 votes
1 answer
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data is not seen from the robot when published from the workstation

I have followed this tutorial from this link https://www.youtube.com/watch?v=YMG6D... for setting up and troubleshooting the ros networks. I have modified it precisely the same way as it is provided ...
user avatar
0 votes
1 answer
233 views

Limit ROS traffic to specific network interface

I have a computer that is acting as a ROS master that has 5 network interfaces, 1 WiFi and 4 ethernet ports. I'd like to limit ROS traffic to just one of the ethernet ports so that I can leave the ...
user avatar
0 votes
1 answer
135 views

docker containers with ROS2 are unable to communicate

I'm playing around with docker containers with ROS galactic with different network setup but I'm unable to get robot_container_1 and robot_container_2 to talk to each other. I have robot_container_1 ...
user avatar
0 votes
1 answer
5 views

Velodyne has the same IP domain as my WIFI network

Hello, Can I use WiFi and velodyne simultaneously? I thought the answer is yes if two network has different ip domain. Velodyne is 192.168.1.xx, while one of my network is 192.168.3.xx. It works well. ...
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0 votes
1 answer
14 views

ROS Topics Data Communication over separate networks

I want to send ROS Topic data from one ROS Master to another ROS Master. Both ROS Masters are on different networks. There is a limitation in my project for which I am receiving some data through a ...
user avatar
0 votes
1 answer
51 views

"Unable to connect to move_group" when running another machine

I wanted to controll my RobotArm via Rviz, followed a tutorial and everything works fine. In the end: I ran rviz on an external device with the Rosmaster sitting on the robot itself. For testing ...
user avatar
0 votes
1 answer
8 views

simpleActionClient not connecting to simpleActionServer on seperate computers

This is on two machines both running ROS Noetic on Ubuntu20.04, done with rospy I have a remote machine, which is running roscore. It will run a node which starts an action server. Here is how I start ...
user avatar
0 votes
1 answer
39 views

Best Practice for Running ROS Remotely

Hello all, I am wondering what is the best practice to run ROS remotely. I have read through http://wiki.ros.org/ROS/Tutorials/MultipleRemoteMachines, which goes through how to setup port forwarding ...
user avatar
0 votes
1 answer
33 views

How can I process rostopic on a remote pc host?

Hello, I am using ROS Melodic on Ubuntu 18.04. My question is, how can I process topic data on a remote pc. I have a robot connected to a local network. I can see the ros topics on the remote pc using ...
user avatar
0 votes
1 answer
50 views

can't communicate with rosmaster on other machine

Hello everyone, I have two machines in the same local wifi network. On the machine with the roscore I have set ...
user avatar
0 votes
1 answer
36 views

Echo topic from a docker container from another machine in the same network

I just came back to ROS after a long while and now I'm learning ROS2. My objective is simply to echo or see a topic broadcasted inside a docker container from Machine 1 to Machine 2. Machine 1 and ...
user avatar
0 votes
1 answer
104 views

multiple network interfaces with rmw_cyclonedds_cpp

I'm using ROS2 foxy and switched from FastDDS to Cyclone DDS as middleware. Since then I get the following warning when I run ros2 topic list: ...
user avatar
0 votes
2 answers
158 views

How to specify the network interface ros2 uses for communication?

When I launch my node, after installing a docker image, I get following warning, luckily it arbitrarily selects the right interface, but how can I specify it to get rid of the warning? ...
user avatar
0 votes
1 answer
3 views

How can I understand the failed connection attempt for a SimpleActionClient?

First of all: happy, healthy and productive new year to everybody! I am trying in vain to connect a SimpleActionClient to a remotely started robot and wanted to ask ...
user avatar
0 votes
1 answer
4 views

Networking with raspberry pi, silent topic [closed]

Hi, I've recently bought a Raspberry Pi 4. And I really want to use it to control my own robots. But for most applications I would like to have my Ubuntu virtual machine serve as a GUI for my robot. ...
user avatar
0 votes
1 answer
6 views

Unable to comunicate ROS - Matlab

Dear ROS community! I have a problem...I configured my matlab environment as ROS master and i want to connect external Linux machine. I adjusted ROS_MASTER_URI inside the linux machine, after that i ...
user avatar
0 votes
1 answer
158 views

ros2 run rviz on remote machine

Hi everyone, I'm quite new approaching ROS2, I'm wondering if it is possible to run Rviz on a machine and run a set of nodes on another having them connected by a network, I remember that on ROS1 it ...
user avatar
0 votes
1 answer
74 views

ros2 docker multiple hosts

How can I get ROS2 to run in docker across multiple hosts reliably? I have two hosts, on an ethernet network: Bridge networks do not support multicast Overlay networks do not support multicast ...
user avatar
0 votes
1 answer
12 views

Launching a rosbag record node on a remote machine

I'm trying to launch a rosbag record node on a remote machine. The reason why I'm trying to do this, is because I want to have a synchronous recording of topics on two different machines. I am aware, ...
user avatar
0 votes
1 answer
7 views

ROS Network Architecture - Bottlenecks?

New to ROS so thanks in advance for your patience! My planned network architecture consists of a central computer connected via wifi to several (10+) mobile robots. I would like to use ROS to send ...
user avatar
0 votes
1 answer
1 view

Network error when trying to launch a node on an other machine

Hello, My distribution is ros-kinetic and I am using ubuntu 16.04 on both machines I am trying to run a node on a second machine (a realsense camera node) by adding this lines in my launch file: ...
user avatar
0 votes
1 answer
1 view

Is it possible to post a helpful tutorial onto ROS website

I have accomplished a few important things in my project that I would like to contribute to the ROS community in the form of a tutorial. The project is regarding MATLAB visual studio on windows ...
user avatar
0 votes
1 answer
6 views

Rosjava subscriber doesn't get any data

I'm trying to use a rosbag as a topic publisher to receive the data on my phone and update the info I have on my app. I've been looking around and I think the main issue is this console output: ...
user avatar
0 votes
1 answer
17 views

Problems with network setup involving Sawyer robot arms

I was working on a Sawyer robot arm (specifically, two of them plugged into the same router, but I'm just trying to get one started now). The cables got unplugged and then replugged, but the settings ...
user avatar
1 vote
1 answer
11 views

ros2 on embedded board without any network connection

A very simple question on ROS2, Can we use ROS2 on embedded platform/board without any network connection (no internet/no router) means standalone board only ? I tried running ROS2 without any network ...
user avatar
0 votes
1 answer
4 views

How to start creating a package to read a signal and publish it in a ROS network

Hi, I am new to ROS and programing and I would like some advices to develop a ROS package/node that reads a radio signal, so far I can only access it from its IPs address from a browser like a ...
user avatar
0 votes
1 answer
21 views

how does ros2 implement its network design?

In Why ROS 2.0, there is design goal of ros2 network: we want ROS to behave as well as is possible when network connectivity degrades due to loss and/or delay, from poor-quality WiFi to ground-to-...
user avatar
0 votes
1 answer
17 views

Melodic network setup: invalid ROS_IP (protocol should not be included)

I have one workspace in Raspberry Pi with Xubuntu and one in Ubuntu PC. I am running ROS Melodic on both. I am able to access Raspberry Pi through Ubuntu PC using ...
user avatar
0 votes
1 answer
5 views

My virtual machine can't ping itself

Hello, I'm using Ubuntu indigo 14.04 with Oracle VirtualBox 5.2.18 and I have a problem with my Virtual machine which can't ping itself but can ping all the network. Also, the other computers can ping ...
user avatar
0 votes
1 answer
6 views

ROS time synchronization in isolated local network

Hello everyone, My robot consists of three processing units (master, slave1, slave2) connected via an ethernet switch. They form an isolated network so there is no internet connection. For time ...
user avatar