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In productionProbeginnerFleet cohort

Only one warehouse loses navigation

Identify the shared difference before changing global DDS settings.

Pairs with Fleet incident response in Production ROS Operations. Read the concept first, then diagnose it here.

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Operator report

All robots at Warehouse B lose remote graph discovery; Warehouse A remains healthy.

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

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01site configuration cohort
  2. 02firewall policy
  3. 03fleet DDS discoveryOUT
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
  • Warehouse B discovery returns
  • Other inbound traffic remains blocked
  • Hidden regression behavior
  • Root cause explanation