Connectivity Guide

Table Of Contents
MIB objects for configuring MAC addresses......................................................................................................847
MIB support for MAC notification traps....................................................................................................................848
Configuring SNMP traps for new MAC learning or station–move..................................................................... 848
Manage VLANs using SNMP........................................................................................................................................849
Creating a VLAN........................................................................................................................................................849
Assigning a VLAN Alias............................................................................................................................................ 849
Displaying the Ports in a VLAN..............................................................................................................................849
Add Tagged and Untagged Ports to a VLAN..................................................................................................... 849
Managing Overload on Startup................................................................................................................................... 850
Enabling and Disabling a Port using SNMP............................................................................................................... 851
Fetch Dynamic MAC Entries using SNMP................................................................................................................ 851
Example of Deriving the Interface Index Number...................................................................................................852
MIB Objects for Viewing the System Image on Flash Partitions...................................................................853
Monitoring BGP sessions via SNMP.......................................................................................................................... 853
Monitor Port-Channels..................................................................................................................................................855
Troubleshooting SNMP Operation..............................................................................................................................856
Transceiver Monitoring................................................................................................................................................. 856
Configuring SNMP context name............................................................................................................................... 857
Chapter 49: Stacking.................................................................................................................858
Stacking Overview..........................................................................................................................................................858
Stack Management Roles....................................................................................................................................... 858
Stack Master Election..............................................................................................................................................859
Virtual IP......................................................................................................................................................................860
Failover Roles.............................................................................................................................................................860
MAC Addressing on Stacks.................................................................................................................................... 860
Stacking LAG.............................................................................................................................................................. 861
Supported Stacking Topologies..............................................................................................................................861
High Availability on Stacks......................................................................................................................................862
Management Access on Stacks............................................................................................................................ 862
Important Points to Remember...................................................................................................................................863
Stacking Installation Tasks........................................................................................................................................... 863
Create a Stack........................................................................................................................................................... 863
Add Units to an Existing Stack.............................................................................................................................. 867
Split a Stack............................................................................................................................................................... 869
Stacking Configuration Tasks...................................................................................................................................... 869
Assigning Unit Numbers to Units in an Stack.....................................................................................................870
Creating a Virtual Stack Unit on a Stack.............................................................................................................870
Displaying Information about a Stack...................................................................................................................870
Influencing Management Unit Selection on a Stack.........................................................................................872
Managing Redundancy on a Stack........................................................................................................................872
Resetting a Unit on a Stack....................................................................................................................................873
Verify a Stack Configuration........................................................................................................................................ 873
Displaying the Status of Stacking Ports.............................................................................................................. 873
Remove Units or Front End Ports from a Stack..................................................................................................... 875
Removing a Unit from a Stack...............................................................................................................................875
Removing Front End Port Stacking...................................................................................................................... 875
Troubleshoot a Stack..................................................................................................................................................... 876
Recover from Stack Link Flaps..............................................................................................................................876
Recover from a Card Problem State on a Stack............................................................................................... 876
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