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TransportLab

An interactive network-engineering training environment built around the way real outages are actually solved: observe state, form a hypothesis, test it, follow the path, and prove the failure domain.

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What it covers

OSPF pathing and cost behavior.
MPLS/LDP state and pseudowire troubleshooting.
Optics, interface counters and transport fault isolation.
Multi-vendor thinking across MikroTik, Juniper, Nokia and Cisco-style workflows.
Scenario-driven troubleshooting instead of memorizing disconnected commands.