Dell S4048–ON Configuration Manual page 29

Remove Units or Front End Ports from a Stack.........................................................................................................916
Removing a Unit from a Stack................................................................................................................................916
Removing Front End Port Stacking........................................................................................................................917
Troubleshoot a Stack......................................................................................................................................................917
Recover from Stack Link Flaps............................................................................................................................... 918
Recover from a Card Problem State on a Stack.................................................................................................. 918
53 Storm Control..........................................................................................................................................920
Configure Storm Control...............................................................................................................................................920
Configuring Storm Control from INTERFACE Mode...........................................................................................920
Configuring Storm Control from CONFIGURATION Mode.................................................................................921
54 Spanning Tree Protocol (STP)................................................................................................................. 922
Protocol Overview......................................................................................................................................................... 922
Configure Spanning Tree...............................................................................................................................................923
Related Configuration Tasks................................................................................................................................... 923
Important Points to Remember....................................................................................................................................923
Configuring Interfaces for Layer 2 Mode....................................................................................................................924
Enabling Spanning Tree Protocol Globally...................................................................................................................925
Adding an Interface to the Spanning Tree Group.......................................................................................................927
Modifying Global Parameters....................................................................................................................................... 927
Modifying Interface STP Parameters.......................................................................................................................... 928
Enabling PortFast.......................................................................................................................................................... 928
Prevent Network Disruptions with BPDU Guard.................................................................................................929
Selecting STP Root........................................................................................................................................................ 931
STP Root Guard..............................................................................................................................................................931
Root Guard Scenario................................................................................................................................................931
Configuring Root Guard.......................................................................................................................................... 932
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................933
Configuring Spanning Trees as Hitless........................................................................................................................ 933
STP Loop Guard.............................................................................................................................................................933
Configuring Loop Guard..........................................................................................................................................935
Displaying STP Guard Configuration........................................................................................................................... 935
55 SupportAssist.......................................................................................................................................... 937
Configuring SupportAssist Using a Configuration Wizard........................................................................................ 938
Configuring SupportAssist Manually........................................................................................................................... 938
Configuring SupportAssist Activity............................................................................................................................. 940
Configuring SupportAssist Company...........................................................................................................................941
Configuring SupportAssist Person.............................................................................................................................. 942
Configuring SupportAssist Server............................................................................................................................... 942
Viewing SupportAssist Configuration..........................................................................................................................943
56 System Time and Date.............................................................................................................................945
Network Time Protocol.................................................................................................................................................945
Protocol Overview...................................................................................................................................................946
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