Concept Guide

MIB Objects for Viewing the System Image on Flash Partitions........................................................................931
Monitoring BGP sessions via SNMP............................................................................................................................931
Monitor Port-Channels................................................................................................................................................. 933
Troubleshooting SNMP Operation...............................................................................................................................934
Transceiver Monitoring..................................................................................................................................................934
Conguring SNMP context name............................................................................................................................... 935
51 Storm Control...........................................................................................................................................937
Congure Storm Control...............................................................................................................................................937
Conguring Storm Control from INTERFACE Mode........................................................................................... 937
Conguring Storm Control from CONFIGURATION Mode................................................................................938
PFC Storm......................................................................................................................................................................938
Detect PFC Storm...................................................................................................................................................939
Restore Queue Drop State..................................................................................................................................... 939
View Details of Storm Control PFC.......................................................................................................................939
52 Spanning Tree Protocol (STP)..................................................................................................................941
Protocol Overview..........................................................................................................................................................941
Congure Spanning Tree...............................................................................................................................................942
Related Conguration Tasks...................................................................................................................................942
Important Points to Remember................................................................................................................................... 942
Conguring Interfaces for Layer 2 Mode....................................................................................................................943
Enabling Spanning Tree Protocol Globally...................................................................................................................944
Adding an Interface to the Spanning Tree Group...................................................................................................... 946
Modifying Global Parameters.......................................................................................................................................946
Modifying Interface STP Parameters.......................................................................................................................... 947
Enabling PortFast...........................................................................................................................................................947
Prevent Network Disruptions with BPDU Guard.................................................................................................948
Selecting STP Root.......................................................................................................................................................950
STP Root Guard............................................................................................................................................................ 950
Root Guard Scenario...............................................................................................................................................950
Conguring Root Guard...........................................................................................................................................951
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................952
Conguring Spanning Trees as Hitless........................................................................................................................952
STP Loop Guard............................................................................................................................................................ 952
Conguring Loop Guard..........................................................................................................................................954
Displaying STP Guard Conguration........................................................................................................................... 954
53 SupportAssist..........................................................................................................................................956
Conguring SupportAssist Using a Conguration Wizard........................................................................................957
Conguring SupportAssist Manually........................................................................................................................... 957
Conguring SupportAssist Activity............................................................................................................................. 959
Conguring SupportAssist Company..........................................................................................................................960
Conguring SupportAssist Person............................................................................................................................... 961
Conguring SupportAssist Server................................................................................................................................961
Viewing SupportAssist Conguration......................................................................................................................... 962
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