Skip to content
VEX-NXDocs

Observe and troubleshoot

Lab Preflight and Black Box

Run Smart Lab Preflight before Start, and record Network Black Box evidence during incidents or exams.

Lab preflight report
Lab preflight report

Goal

Run Smart Lab Preflight before Start, and record Network Black Box evidence during incidents or exams.

Lab Preflight

Open it

In an open lab: workspace More menu -> Preflight check. Start-all can also run server preflight and block when issues are fatal.

What it checks

Images, templates, capacity, and lab lock state (plus related warnings). The report lists:

BucketMeaning
BlockingMust fix before Start
WarningsCan proceed, but review
PassedClear

Recipe

  1. Open the lab in Operate (or Design)
  2. More -> Preflight check
  3. Fix blocking items (missing images, capacity, locks)
  4. Re-run, then Start all when can start

Network Black Box

Open it

Lab More menu -> Black Box.

What you get

ActionUse it for
Start / Stop recordingSession evidence timeline
Add noteManual incident markers
Event listRecorded events for the lab
Capture referencesLinks only when a real capture id exists

Use Black Box when teaching troubleshooting or collecting evidence for a failed Validate / capture session - not as a full packet store.