Users Guide

Configuring Storm Control from INTERFACE Mode................................................................................ 796
Configuring Storm Control from CONFIGURATION Mode.................................................................... 797
52 Spanning Tree Protocol (STP).........................................................................................................................798
Protocol Overview................................................................................................................................................. 798
Configure Spanning Tree..................................................................................................................................... 798
Related Configuration Tasks..........................................................................................................................799
Important Points to Remember.......................................................................................................................... 799
Configuring Interfaces for Layer 2 Mode......................................................................................................... 800
Enabling Spanning Tree Protocol Globally.......................................................................................................801
Adding an Interface to the Spanning Tree Group...........................................................................................803
Modifying Global Parameters..............................................................................................................................803
Modifying Interface STP Parameters................................................................................................................. 804
Enabling PortFast................................................................................................................................................... 805
Prevent Network Disruptions with BPDU Guard.......................................................................................806
Selecting STP Root................................................................................................................................................ 807
STP Root Guard......................................................................................................................................................808
Root Guard Scenario.......................................................................................................................................808
Configuring Root Guard.................................................................................................................................809
Enabling SNMP Traps for Root Elections and Topology Changes..............................................................810
Configuring Spanning Trees as Hitless..............................................................................................................810
STP Loop Guard......................................................................................................................................................810
Configuring Loop Guard................................................................................................................................. 811
Displaying STP Guard Configuration..................................................................................................................812
53 SupportAssist..................................................................................................................................................... 813
Configuring SupportAssist Using a Configuration Wizard.............................................................................814
Configuring SupportAssist Manually.................................................................................................................. 814
Configuring SupportAssist Activity......................................................................................................................816
Configuring SupportAssist Company.................................................................................................................817
Configuring SupportAssist Person...................................................................................................................... 817
Configuring SupportAssist Server....................................................................................................................... 818
Viewing SupportAssist Configuration.................................................................................................................819
54 System Time and Date......................................................................................................................................821
Network Time Protocol.........................................................................................................................................821
Protocol Overview........................................................................................................................................... 822
Configure the Network Time Protocol........................................................................................................823
Enabling NTP.....................................................................................................................................................823
Configuring NTP Broadcasts......................................................................................................................... 824
Disabling NTP on an Interface.......................................................................................................................824
Configuring a Source IP Address for NTP Packets....................................................................................824
Configuring NTP Authentication...................................................................................................................825
Dell Networking OS Time and Date................................................................................................................... 827
Configuration Task List .................................................................................................................................. 827
Setting the Time and Date for the Switch Software Clock..................................................................... 828
Setting the Timezone......................................................................................................................................828
9.10(0.1)
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