Connectivity Guide

Table Of Contents
Assigning a VLAN Alias............................................................................................................................................ 889
Displaying the Ports in a VLAN..............................................................................................................................890
Add Tagged and Untagged Ports to a VLAN...................................................................................................... 891
Managing Overload on Startup................................................................................................................................... 892
Enabling and Disabling a Port using SNMP.............................................................................................................. 892
Fetch Dynamic MAC Entries using SNMP................................................................................................................892
Example of Deriving the Interface Index Number...................................................................................................894
MIB Objects for Viewing the System Image on Flash Partitions...................................................................894
Monitoring BGP sessions via SNMP.......................................................................................................................... 894
Monitor Port-Channels..................................................................................................................................................896
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................897
Troubleshooting SNMP Operation..............................................................................................................................898
Transceiver Monitoring................................................................................................................................................. 898
Configuring SNMP context name...............................................................................................................................899
Chapter 54: Stacking................................................................................................................. 901
Stacking Overview.......................................................................................................................................................... 901
Stack Management Roles........................................................................................................................................ 901
Stack Master Election..............................................................................................................................................902
Virtual IP......................................................................................................................................................................904
Failover Roles.............................................................................................................................................................904
MAC Addressing on Stacks.................................................................................................................................... 904
Stacking LAG............................................................................................................................................................. 905
Supported Stacking Topologies.............................................................................................................................905
High Availability on Stacks......................................................................................................................................906
Management Access on Stacks............................................................................................................................ 906
Enabling Mixed-mode Stacking............................................................................................................................. 907
Important Points to Remember................................................................................................................................... 907
Stacking Installation Tasks........................................................................................................................................... 908
Create a Stack...........................................................................................................................................................908
Add Units to an Existing Stack...............................................................................................................................912
Split a Stack................................................................................................................................................................ 914
Stacking Configuration Tasks....................................................................................................................................... 914
Assigning Unit Numbers to Units in an Stack..................................................................................................... 914
Creating a Virtual Stack Unit on a Stack............................................................................................................. 915
Displaying Information about a Stack................................................................................................................... 915
Influencing Management Unit Selection on a Stack..........................................................................................917
Managing Redundancy on a Stack........................................................................................................................ 918
Resetting a Unit on a Stack.................................................................................................................................... 918
Verify a Stack Configuration.........................................................................................................................................918
Displaying the Status of Stacking Ports.............................................................................................................. 919
Remove Units or Front End Ports from a Stack..................................................................................................... 920
Removing a Unit from a Stack...............................................................................................................................920
Removing Front End Port Stacking.......................................................................................................................921
Troubleshoot a Stack......................................................................................................................................................921
Recover from Stack Link Flaps...............................................................................................................................921
Recover from a Card Problem State on a Stack...............................................................................................922
Chapter 55: Storm Control........................................................................................................ 923
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