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Table Of Contents
Configure Storm Control...............................................................................................................................................837
Configuring Storm Control from INTERFACE Mode........................................................................................ 837
Configuring Storm Control from CONFIGURATION Mode.............................................................................838
PFC Storm........................................................................................................................................................................838
Detect PFC Storm.................................................................................................................................................... 838
Restore Queue Drop State..................................................................................................................................... 839
View Details of Storm Control PFC...................................................................................................................... 839
Chapter 51: Spanning Tree Protocol (STP).................................................................................841
Protocol Overview...........................................................................................................................................................841
Configure Spanning Tree............................................................................................................................................... 841
Important Points to Remember................................................................................................................................... 842
Configuring Interfaces for Layer 2 Mode..................................................................................................................843
Enabling Spanning Tree Protocol Globally................................................................................................................ 844
Adding an Interface to the Spanning Tree Group...................................................................................................845
Modifying Global Parameters.......................................................................................................................................846
Modifying Interface STP Parameters.........................................................................................................................847
Enabling PortFast............................................................................................................................................................847
Prevent Network Disruptions with BPDU Guard.............................................................................................. 848
Selecting STP Root........................................................................................................................................................ 850
STP Root Guard..............................................................................................................................................................850
Root Guard Scenario................................................................................................................................................850
Configuring Root Guard........................................................................................................................................... 851
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 852
Configuring Spanning Trees as Hitless...................................................................................................................... 852
STP Loop Guard..............................................................................................................................................................852
Configuring Loop Guard.......................................................................................................................................... 853
Displaying STP Guard Configuration.......................................................................................................................... 854
Chapter 52: SupportAssist........................................................................................................ 855
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 855
Configuring SupportAssist Manually.......................................................................................................................... 856
Configuring SupportAssist Activity.............................................................................................................................857
Configuring SupportAssist Company......................................................................................................................... 859
Configuring SupportAssist Person..............................................................................................................................859
Configuring SupportAssist Server.............................................................................................................................. 860
Viewing SupportAssist Configuration......................................................................................................................... 861
Chapter 53: System Time and Date............................................................................................863
Network Time Protocol................................................................................................................................................. 863
Protocol Overview.................................................................................................................................................... 864
Configure the Network Time Protocol.................................................................................................................864
Enabling NTP..............................................................................................................................................................864
Configuring NTP Broadcasts................................................................................................................................. 865
Disabling NTP on an Interface............................................................................................................................... 865
Configuring a Source IP Address for NTP Packets.......................................................................................... 865
Configuring NTP Authentication........................................................................................................................... 866
Configuring NTP control key password...............................................................................................................868
Configuring a Custom-defined Period for NTP time Synchronization.........................................................868
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