API Guide

Table Of Contents
Example of Deriving the Interface Index Number...................................................................................................802
MIB Objects for Viewing the System Image on Flash Partitions...................................................................802
Monitoring BGP sessions via SNMP.......................................................................................................................... 802
Monitor Port-Channels..................................................................................................................................................804
Enabling an SNMP Agent to Notify Syslog Server Failure................................................................................... 805
Troubleshooting SNMP Operation..............................................................................................................................806
Transceiver Monitoring................................................................................................................................................. 806
Configuring SNMP context name...............................................................................................................................808
Chapter 49: Stacking................................................................................................................ 809
Stacking Overview......................................................................................................................................................... 809
Stack Management Roles....................................................................................................................................... 809
Stack Master Election.............................................................................................................................................. 810
Virtual IP.......................................................................................................................................................................810
Failover Roles..............................................................................................................................................................810
MAC Addressing on Stacks.....................................................................................................................................810
Stacking LAG.............................................................................................................................................................. 812
Supported Stacking Topologies..............................................................................................................................812
High Availability on Stacks.......................................................................................................................................812
Management Access on Stacks............................................................................................................................. 813
Important Points to Remember....................................................................................................................................814
Stacking Installation Tasks............................................................................................................................................ 814
Create a Stack............................................................................................................................................................814
Add Units to an Existing Stack...............................................................................................................................818
Split a Stack............................................................................................................................................................... 820
Stacking Configuration Tasks...................................................................................................................................... 820
Assigning Unit Numbers to Units in an Stack.................................................................................................... 820
Creating a Virtual Stack Unit on a Stack............................................................................................................. 821
Displaying Information about a Stack................................................................................................................... 821
Influencing Management Unit Selection on a Stack.........................................................................................822
Managing Redundancy on a Stack........................................................................................................................823
Resetting a Unit on a Stack....................................................................................................................................823
Verify a Stack Configuration........................................................................................................................................ 823
Displaying the Status of Stacking Ports..............................................................................................................823
Remove Units or Front End Ports from a Stack..................................................................................................... 825
Removing a Unit from a Stack...............................................................................................................................825
Removing Front End Port Stacking......................................................................................................................826
Troubleshoot a Stack..................................................................................................................................................... 826
Recover from Stack Link Flaps..............................................................................................................................826
Recover from a Card Problem State on a Stack............................................................................................... 827
Chapter 50: Storm Control........................................................................................................ 828
Configure Storm Control...............................................................................................................................................828
Configuring Storm Control from INTERFACE Mode........................................................................................828
Configuring Storm Control from CONFIGURATION Mode.............................................................................829
Chapter 51: Spanning Tree Protocol (STP)................................................................................ 830
Protocol Overview..........................................................................................................................................................830
Configure Spanning Tree.............................................................................................................................................. 830
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