Dell S4048-ON - 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
Congure Storm Control...............................................................................................................................................920
Conguring Storm Control from INTERFACE Mode...........................................................................................920
Conguring Storm Control from CONFIGURATION Mode.................................................................................921
54 Spanning Tree Protocol (STP)................................................................................................................. 922
Protocol Overview.........................................................................................................................................................922
Congure Spanning Tree...............................................................................................................................................923
Related Conguration Tasks................................................................................................................................... 923
Important Points to Remember....................................................................................................................................923
Conguring 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
Conguring Root Guard..........................................................................................................................................932
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................933
Conguring Spanning Trees as Hitless........................................................................................................................933
STP Loop Guard.............................................................................................................................................................933
Conguring Loop Guard..........................................................................................................................................935
Displaying STP Guard Conguration........................................................................................................................... 935
55 SupportAssist.......................................................................................................................................... 937
Conguring SupportAssist Using a Conguration Wizard........................................................................................938
Conguring SupportAssist Manually........................................................................................................................... 938
Conguring SupportAssist Activity............................................................................................................................. 940
Conguring SupportAssist Company...........................................................................................................................941
Conguring SupportAssist Person.............................................................................................................................. 942
Conguring SupportAssist Server...............................................................................................................................942
Viewing SupportAssist Conguration..........................................................................................................................943
56 System Time and Date.............................................................................................................................945
Network Time Protocol.................................................................................................................................................945
Protocol Overview...................................................................................................................................................946
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