Connectivity Guide

Table Of Contents
Chapter 50: Storm Control........................................................................................................ 878
Configure Storm Control...............................................................................................................................................878
Configuring Storm Control from INTERFACE Mode........................................................................................ 878
Configuring Storm Control from CONFIGURATION Mode.............................................................................879
PFC Storm........................................................................................................................................................................ 879
Detect PFC Storm.................................................................................................................................................... 879
Restore Queue Drop State..................................................................................................................................... 880
View Details of Storm Control PFC......................................................................................................................880
Chapter 51: Spanning Tree Protocol (STP)................................................................................ 882
Protocol Overview..........................................................................................................................................................882
Configure Spanning Tree.............................................................................................................................................. 882
Important Points to Remember...................................................................................................................................883
Configuring Interfaces for Layer 2 Mode..................................................................................................................884
Enabling Spanning Tree Protocol Globally................................................................................................................ 885
Adding an Interface to the Spanning Tree Group...................................................................................................886
Modifying Global Parameters....................................................................................................................................... 887
Modifying Interface STP Parameters........................................................................................................................ 888
Enabling PortFast........................................................................................................................................................... 888
Prevent Network Disruptions with BPDU Guard.............................................................................................. 889
Selecting STP Root.........................................................................................................................................................891
STP Root Guard...............................................................................................................................................................891
Root Guard Scenario.................................................................................................................................................891
Configuring Root Guard...........................................................................................................................................892
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 893
Configuring Spanning Trees as Hitless...................................................................................................................... 893
STP Loop Guard..............................................................................................................................................................893
Configuring Loop Guard.......................................................................................................................................... 894
Displaying STP Guard Configuration..........................................................................................................................895
Chapter 52: SupportAssist........................................................................................................ 896
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 896
Configuring SupportAssist Manually.......................................................................................................................... 897
Configuring SupportAssist Activity............................................................................................................................ 898
Configuring SupportAssist Company......................................................................................................................... 900
Configuring SupportAssist Person............................................................................................................................. 900
Configuring SupportAssist Server...............................................................................................................................901
Viewing SupportAssist Configuration........................................................................................................................ 902
Chapter 53: System Time and Date............................................................................................904
Network Time Protocol................................................................................................................................................. 904
Protocol Overview....................................................................................................................................................905
Configure the Network Time Protocol................................................................................................................ 905
Enabling NTP............................................................................................................................................................. 905
Configuring NTP Broadcasts................................................................................................................................. 906
Disabling NTP on an Interface............................................................................................................................... 906
Configuring a Source IP Address for NTP Packets..........................................................................................906
Configuring NTP Authentication........................................................................................................................... 907
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