VLAN advanced configuration 123Configuration GuideRSTP configuration navigation• RSTP basic settings configuration parameters (page 123)• RSTP timers configuration parameters (page 124)• RSTP port settings configuration parameters (page 124)• RSTP port status display parameters (page 125)RSTP basic settings configuration parametersThe following section describes the configuration parameters for the RSTP basic settings locatedat Configuration, Spanning Tree, RSTP, Basic Settings tab.Variable definitionsThe following table describes the variables and values for configuring RSTP basic settings.Variable ValueRSTP Status Displays the RSTP status. RSTP status is set in STP Basic Settings.Compatibility Specifies the compatibility for RSTP as RSTP or STP compatible version.Select RSTP for the port to transmit only RSTP BPDUs.Select STP Compatible for the port to transmit RSTP BPDUs or TopologyChange Notification BPDUs (Config/TCN BPDUs).The default value is RSTP.Bridge Priority Type the bridge priority value used to select the root bridge.Transmit Hold Count Type the maximum number of packets that can be sent in an giveninterval, to avoid flooding.The value ranges from 1 to 10.The default value is 3.Default Path Cost Version This field indicates the number of bits used to calculate the path cost of allports running in the spanning tree protocol.Select the Default Path Cost value for backward compatibility with STAP.If you select 16 Bit, the maximum value of the path cost field of any port inthe spanning tree is 65535.If you select 32 Bit, the maximum value of the path cost field of any port inthe spanning tree is 200000.See “RSTP port settings configuration parameters” on page 124 for thepath cost setting for each port.