LNP600N / LNP-602N User’s ManualAaxeon Technologies, LLC 26two RSTP links (ex: backbone Switch). The two links work asactive/backup mode, and connect each Redundant Ring to thenormal switches in RSTP mode.Apply Click “Apply” to activate the configurations.Note: We don’t suggest you to set one switch as a Ring Master and a Coupling Ring at the same time due to heavyload.5.1.4.3 RSTPThe Rapid Spanning Tree Protocol (RSTP) is an evolution of the Spanning Tree Protocol.It provides faster spanning tree convergence after a topology change. The system alsosupports STP and the system will auto detect the connected device that is running STP orRSTP protocol.RSTP settingYou can enable/disable the RSTP function, and set the parameters for each port.RSTP Setting interface