Challenge library

240 hands-on labs · 10 free. Filter by protocol, difficulty, or time.

10 challenges of 240

CHALLENGETOPICDIFFICULTYEST. TIMEACCESS

001The unreachable branchstatic · troubleshootingRoutingEasy8 minFree

002A neighbor gone quietospf · multi-serviceOSPFMedium25 minFree

003The silent peeringbgp · multi-serviceBGPMedium25 minFree

004Green links. Broken checkout.static · multi-serviceSecurityHard25 minFree

005The route to nowherestatic · multi-serviceNetwork operationsMedium25 minFree

006Going in circlesstatic · multi-serviceNetwork operationsHard25 minFree

007The missing way homestatic · multi-serviceRoutingHard25 minFree

008A little too quietospf · multi-serviceOSPFMedium20 minFree

009Everyone is a neighborospf · multi-serviceOSPFEasy15 minFree

010A prefix without a voicebgp · multi-serviceBGPMedium20 minFree

Every incident includes a simulated network and automated repair checks.How the labs work