... feature set with the simplicity of traditional LAN switching, including multi-layer services like IP routing, advanced quality of service (QoS), IP ... Suite. Product IdentifiersBrandCiscoModel3550-12TMPNWSC355012T FeaturesOther FeaturesFull duplex capability, layer 4 switching, layer 3 switching, layer 2 switching, auto-sensing per device, manageableStatus IndicatorsPort ...