Users Guide

Deriving Interface Indices.................................................................................................................................... 800
Monitor Port-Channels.........................................................................................................................................801
Troubleshooting SNMP Operation.....................................................................................................................802
48 Storm Control................................................................................................................................................... 803
Configure Storm Control..................................................................................................................................... 803
Configuring Storm Control from INTERFACE Mode................................................................................803
Configuring Storm Control from CONFIGURATION Mode....................................................................804
PFC Storm............................................................................................................................................................... 804
Detect PFC Storm............................................................................................................................................ 805
Restore Queue Drop State.............................................................................................................................805
View Details of Storm Control PFC..............................................................................................................805
49 Spanning Tree Protocol (STP)........................................................................................................................ 807
Protocol Overview.................................................................................................................................................807
Configure Spanning Tree..................................................................................................................................... 807
Related Configuration Tasks..........................................................................................................................808
Important Points to Remember..........................................................................................................................808
Configuring Interfaces for Layer 2 Mode......................................................................................................... 809
Enabling Spanning Tree Protocol Globally.......................................................................................................810
Adding an Interface to the Spanning Tree Group........................................................................................... 812
Modifying Global Parameters.............................................................................................................................. 812
Modifying Interface STP Parameters.................................................................................................................. 813
Enabling PortFast....................................................................................................................................................814
Prevent Network Disruptions with BPDU Guard........................................................................................815
Selecting STP Root................................................................................................................................................. 817
STP Root Guard.......................................................................................................................................................817
Root Guard Scenario........................................................................................................................................817
Configuring Root Guard................................................................................................................................. 818
Enabling SNMP Traps for Root Elections and Topology Changes.............................................................. 819
Configuring Spanning Trees as Hitless.............................................................................................................. 819
STP Loop Guard......................................................................................................................................................819
Configuring Loop Guard................................................................................................................................ 820
Displaying STP Guard Configuration..................................................................................................................821
50 SupportAssist.....................................................................................................................................................822
Configuring SupportAssist Using a Configuration Wizard............................................................................ 823
Configuring SupportAssist Manually.................................................................................................................. 823
Configuring SupportAssist Activity..................................................................................................................... 825
Configuring SupportAssist Company................................................................................................................ 826
Configuring SupportAssist Person......................................................................................................................826
Configuring SupportAssist Server....................................................................................................................... 827
Viewing SupportAssist Configuration................................................................................................................ 828
51 System Time and Date......................................................................................................................................830
Network Time Protocol........................................................................................................................................830
Protocol Overview............................................................................................................................................831
9.10(0.1)
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