Dell MX5108n OS10 Enterprise Edition User Guide for PowerEdge MX IO Modules Re - Page 233

• Modify the hello-time (in seconds) in CONFIGURATION mode (1 to 10, default 2). With large configurations (involving more number of ports), Dell EMC recommends increasing the hello-time. spanning-tree vlan vlan-id hello-time seconds • Modify the max-age (in seconds) in CONFIGURATION mode (6 to 40, default 20). spanning-tree vlan vlan-id max-age seconds View RPVST+ global parameters OS10# show spanning-tree active Spanning tree enabled protocol rapid-pvst with force-version rstp VLAN 1 Executing IEEE compatible Spanning Tree Protocol Root ID Priority 32769, Address 90b1.1cf4.a523 Root Bridge hello time 2, max age 20, forward delay 15 Bridge ID Priority 32769, Address 90b1.1cf4.a523 We are the root of VLAN 1 Configured hello time 2, max age 20, forward delay 15 RPVST+ commands clear spanning-tree counters Clears the counters for STP. Syntax clear spanning-tree counters [interface {ethernet node/slot/port[:subport] | port-channel number}}] Parameters • interface - Enter the interface type: - ethernet node/slot/port[:subport] - Deletes the spanning-tree counters from a physical port. - port-channel number - Deletes the spanning-tree counters for a port-channel interface (1 to 128). Default Command Mode Usage Information Example Not configured EXEC Clear all STP counters on the device per Ethernet interface or port-channel. OS10# clear spanning-tree counters interface port-channel 10 Supported Releases 10.2.0E or later clear spanning-tree detected-protocol Forces the MST ports to renegotiate with neighbors. Syntax clear spanning-tree detected-protocol [interface {ethernet node/slot/ port[:subport] | port-channel number}] Parameters • interface - Enter the interface type: - ethernet node/slot/port[:subport] - Enter the Ethernet interface information (1 to 48). - port-channel number - Enter the port-channel number (1 to 128). Layer 2 233