• Route::Unavailable

  • ClientTrail::Unavailable

  • ClientCircuit::ServiceUnavailable or ClientCircuit::AtRisk

  • SubnetworkConnection::ServiceUnavailable or SubnetworkConnection::AtRisk

  • LosEvent on Ports on other ONEs that are directly connected to a Card on this ONE.

    All services (SubnetworkConnections and ClientCircuits) that pass through this ONE are shown as impacted. ONE::Down explains why a service may be unavailable (no working alternate path) or at risk (when there is a working protected path, though a different ONE).