Reference Guide

Enabling and Disabling a Port using SNMP..................................................................................... 883
Fetch Dynamic MAC Entries using SNMP........................................................................................884
Deriving Interface Indices.................................................................................................................885
Monitor Port-Channels.................................................................................................................... 886
Troubleshooting SNMP Operation.................................................................................................. 888
51 Stacking................................................................................................................ 889
S-Series Stacking Overview..............................................................................................................889
Stack Management Roles...........................................................................................................889
Stack Master Election................................................................................................................. 890
Virtual IP.......................................................................................................................................891
Failover Roles.............................................................................................................................. 891
MAC Addressing on S-Series Stacks...........................................................................................891
Stacking LAG............................................................................................................................... 893
Supported Stacking Topologies................................................................................................. 893
High Availability on S-Series Stacks........................................................................................... 893
Management Access on S-Series Stacks................................................................................... 894
Important Points to Remember—S4820T Stacking........................................................................895
S-Series Stacking Installation Tasks................................................................................................. 895
Create an S-Series Stack............................................................................................................ 896
Add Units to an Existing S-Series Stack......................................................................................901
Split an S-Series Stack................................................................................................................ 904
S-Series Stacking Configuration Tasks............................................................................................904
Assigning Unit Numbers to Units in an S-Series Stack..............................................................904
Creating a Virtual Stack Unit on an S-Series Stack....................................................................904
Displaying Information about an S-Series Stack....................................................................... 905
Influencing Management Unit Selection on an S-Series Stack................................................ 907
Managing Redundancy on an S-Series Stack............................................................................ 907
Resetting a Unit on an S-Series Stack........................................................................................908
Verify a Stack Configuration............................................................................................................ 908
Displaying the Status of Stacking Ports..................................................................................... 908
Remove Units or Front End Ports from a Stack...............................................................................910
Removing a Unit from an S-Series Stack................................................................................... 910
Removing Front End Port Stacking.............................................................................................911
Troubleshoot an S-Series Stack........................................................................................................911
Recover from Stack Link Flaps....................................................................................................912
Recover from a Card Problem State on an S-Series Stack........................................................912
Recover from a Card Mismatch State on an S-Series Stack......................................................913
52 Storm Control..................................................................................................... 915
Configure Storm Control..................................................................................................................915
Configuring Storm Control from INTERFACE Mode................................................................. 915