Service Manual

Fetch Dynamic MAC Entries using SNMP......................................................................................................... 851
Deriving Interface Indices.....................................................................................................................................852
Monitor Port-Channels.........................................................................................................................................853
Enabling an SNMP Agent to Notify Syslog Server Failure..............................................................................854
Troubleshooting SNMP Operation.....................................................................................................................855
52 Stacking.............................................................................................................................................................. 856
Stacking Overview................................................................................................................................................. 856
Stack Management Roles...............................................................................................................................856
Stack Master Election...................................................................................................................................... 857
Virtual IP............................................................................................................................................................. 859
Failover Roles.................................................................................................................................................... 859
MAC Addressing on Stacks.............................................................................................................................859
Stacking LAG.....................................................................................................................................................860
Supported Stacking Topologies.................................................................................................................... 861
High Availability on Stacks.............................................................................................................................. 861
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........................................................................................................................................................870
Stacking Configuration Tasks..............................................................................................................................870
Assigning Unit Numbers to Units in an Stack.............................................................................................870
Creating a Virtual Stack Unit on a Stack.......................................................................................................871
Displaying Information about a Stack.......................................................................................................... 871
Influencing Management Unit Selection on a Stack................................................................................ 874
Managing Redundancy on a Stack............................................................................................................... 874
Resetting a Unit on a Stack............................................................................................................................ 874
Verify a Stack Configuration................................................................................................................................ 875
Displaying the Status of Stacking Ports....................................................................................................... 875
Remove Units or Front End Ports from a Stack...............................................................................................876
Removing a Unit from a Stack....................................................................................................................... 877
Removing Front End Port Stacking...............................................................................................................877
Troubleshoot a Stack............................................................................................................................................ 878
Recover from Stack Link Flaps...................................................................................................................... 878
Recover from a Card Problem State on a Stack........................................................................................878
53 Storm Control................................................................................................................................................... 880
Configure Storm Control.....................................................................................................................................880
Configuring Storm Control from INTERFACE Mode................................................................................880
Configuring Storm Control from CONFIGURATION Mode.................................................................... 881
54 Spanning Tree Protocol (STP)........................................................................................................................ 882
Protocol Overview.................................................................................................................................................882
Configure Spanning Tree..................................................................................................................................... 882
Related Configuration Tasks..........................................................................................................................883
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