Questions tagged [network]
The network tag has no usage guidance.
147
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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 ...
- 101
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33
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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 ...
0
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1
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29
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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 ...
1
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3
answers
61
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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. ...
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3
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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 ...
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28
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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:
...
- 22
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1
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91
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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 ...
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76
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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....
- 109
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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 ...
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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 ...
Mingjie
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1
answer
1
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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 ...
Shravista
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1
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85
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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 ...
Barty
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1
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37
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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 ...
jessicaycc
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1
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2
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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.
...
houhao
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1
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5
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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 ...
Raza Rizvi
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1
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9
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"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 ...
Kiwi_gamer01
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1
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2
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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 ...
turtlesnbacon
0
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1
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10
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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 ...
sean112
0
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1
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10
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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 ...
navid
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1
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6
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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
...
SpaceTime
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1
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3
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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 ...
J. J.
0
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1
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22
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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:
...
leuko
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1
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25
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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?
...
Hakaishin
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1
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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 ...
fabian
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1
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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. ...
BGI
0
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1
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2
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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 ...
Dornier
0
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1
answer
29
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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 ...
luca.fancellu
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1
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15
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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
...
dawonn_haval
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1
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8
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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, ...
max11gen
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1
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2
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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 ...
mechapancake
0
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1
answer
1
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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:
...
Alrevan
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1
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1
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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 ...
humzaChoudry
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1
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1
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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:
...
luischd
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1
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5
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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 ...
tkrane
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1
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5
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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 ...
askkvn
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1
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2
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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 ...
Paulo
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1
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6
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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-...
huchaohong
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1
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3
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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 ...
Shaunak Vyas
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1
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4
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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 ...
kevinrossi
0
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1
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3
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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 ...
sparkas
0
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1
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1
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Internet connection speed when connected to sensor that has Ethernet interface
Hi! I am connecting a LIDAR called UST-20lx to my computer using a Ethernet cable. To do that I have modified /etc/network/ interfaces:
...
Kolohe113
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1
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ROS network is disabled
When I run the node_manager, on the top left, "ROS Network [disabled]" is shown.
Originally posted by amelia on ROS Answers with karma: 18 on 2018-06-13
Post score: 0
amelia
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1
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How to control Maxon MCD Epos with ROS_canopen and IXXAT adapter
Important Edit: for ROS CANopen you don't need to load the controllers, only the URDF file of the motor to get the joints and specifications of it.
Hi all,
I am trying to build an RHex style robot.
...
jdeleon
0
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1
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3
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roswtf static check error: "Local network configuration is invalid"
roswtf complains, but ping resolves by passing hostname that roswtf failed checking. While it's possible that my computer's ...
- 4,492
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1
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100
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WARNING: ROS_MASTER_URI [http://localhost:11311] host is not set to this machine' and nodes 'Couldn’t find an AF_INET address for [localhost]'
Hi,
I have been running ros nodes in my machine but suddenly I got these erros every time when I'm running nodes:
Master:
...
mrght
0
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1
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3
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ROS networking unable to see mesages published by slave computer
I am running Ubuntu 16.04 and ROS Kinetic on both a Beaglebone black(Master) and intel NUC(Slave). My problem is connecting the NUC to the ros master on the beaglebone over wifi. I set the ip address ...
skynet
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1
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One base multiple robots with unstable network
Hey, I am looking for a way to set up a configuration with multiple robots that connects to one base. This base is broadcasting data that's needed by all robots. I was thinking about setting roscore ...
ArkadiuszN
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1
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ros cell network
Hi,
I'm using ROS on a robot with a netgear cell modem. The modem says it supports port forwarding but I have spent hours trying to get it to work to no avail. So instead I setup reverse ssh which ...
shoemakerlevy9
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What is the package route between Subscriber and Publisher in a multi-machine ROS network?
Assuming to have a multi-machine ROS network where there is a Master running on a remote server, and both the Subscriber and the Publisher in a local network; does the packets exchanged between the ...
piti_wity
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1
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11
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Is there a way to determine IP address of publisher for each message
Hello,
I'm currently developing small system for monitoring and management of a mobile robot group in ROS.
One of system's features is reservation mechanism, which lets students reserve exclusive ...
Creed