Reference Guide

Table Of Contents
MIB objects for configuring MAC addresses...................................................................................................... 901
MIB objects for configuring MAC addresses..................................................................................................... 902
Manage VLANs using SNMP........................................................................................................................................902
Creating a VLAN....................................................................................................................................................... 902
Assigning a VLAN Alias............................................................................................................................................ 902
Displaying the Ports in a VLAN..............................................................................................................................903
Add Tagged and Untagged Ports to a VLAN..................................................................................................... 904
Managing Overload on Startup................................................................................................................................... 905
Enabling and Disabling a Port using SNMP.............................................................................................................. 905
Fetch Dynamic MAC Entries using SNMP................................................................................................................906
Example of Deriving the Interface Index Number...................................................................................................907
MIB Objects for Viewing the System Image on Flash Partitions...................................................................907
Monitoring BGP sessions via SNMP.......................................................................................................................... 907
Monitor Port-Channels..................................................................................................................................................909
Enabling an SNMP Agent to Notify Syslog Server Failure.................................................................................... 910
Troubleshooting SNMP Operation............................................................................................................................... 911
Transceiver Monitoring................................................................................................................................................... 911
Configuring SNMP context name................................................................................................................................913
Chapter 54: Stacking................................................................................................................. 914
Stacking Overview.......................................................................................................................................................... 914
Stack Management Roles........................................................................................................................................ 914
Stack Master Election.............................................................................................................................................. 915
Virtual IP.......................................................................................................................................................................917
Failover Roles..............................................................................................................................................................917
MAC Addressing on Stacks..................................................................................................................................... 917
Stacking LAG.............................................................................................................................................................. 918
Supported Stacking Topologies..............................................................................................................................918
High Availability on Stacks.......................................................................................................................................919
Management Access on Stacks............................................................................................................................. 919
Enabling Mixed-mode Stacking............................................................................................................................. 920
Important Points to Remember...................................................................................................................................920
Stacking Installation Tasks............................................................................................................................................ 921
Create a Stack............................................................................................................................................................921
Add Units to an Existing Stack.............................................................................................................................. 925
Split a Stack................................................................................................................................................................927
Stacking Configuration Tasks...................................................................................................................................... 927
Assigning Unit Numbers to Units in an Stack.....................................................................................................927
Creating a Virtual Stack Unit on a Stack.............................................................................................................928
Displaying Information about a Stack...................................................................................................................928
Influencing Management Unit Selection on a Stack.........................................................................................930
Managing Redundancy on a Stack........................................................................................................................ 931
Resetting a Unit on a Stack.................................................................................................................................... 931
Verify a Stack Configuration.........................................................................................................................................931
Displaying the Status of Stacking Ports..............................................................................................................932
Remove Units or Front End Ports from a Stack..................................................................................................... 933
Removing a Unit from a Stack...............................................................................................................................933
Removing Front End Port Stacking......................................................................................................................934
Troubleshoot a Stack..................................................................................................................................................... 934
Recover from Stack Link Flaps..............................................................................................................................934
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