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In productionProadvancedWireless reliability

WiFi roaming stalls control data

Keep supervisory data reliable while making sure local safety does not depend on WiFi.

Pairs with Networks, firewalls, and WiFi in Production ROS Operations. Read the concept first, then diagnose it here.

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Operator report

Telemetry pauses for 1.8 s when the robot roams between access points.

Ubuntu 24.04, ROS 2 Jazzy, Cyclone DDS, containers, systemd, OpenTelemetry fleet sandbox

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01remote command→
  2. 02WiFi roam→
  3. 03local motion controllerOUT
02

How this lab works

You diagnose it. No command list.

Open the repair workspace and gather your own evidence in a real terminal. No diagnostic commands are handed to you - finding the fault is the exercise. Stuck? Progressive hints unlock inside the workspace.

03

Verification

Pass more than the visible symptom.

4 checks
  • Motion stops within 250 ms
  • Telemetry resumes after roam
  • Hidden regression behavior
  • Root cause explanation