Users Guide
Add Tagged and Untagged Ports to a VLAN....................................................................................................... 952
Managing Overload on Startup....................................................................................................................................953
Enabling and Disabling a Port using SNMP................................................................................................................954
Fetch Dynamic MAC Entries using SNMP................................................................................................................. 954
Example of Deriving the Interface Index Number..................................................................................................... 955
MIB Objects for Viewing the System Image on Flash Partitions.......................................................................956
Monitoring BGP sessions via SNMP...........................................................................................................................956
Monitor Port-Channels................................................................................................................................................. 958
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 959
Troubleshooting SNMP Operation...............................................................................................................................960
Transceiver Monitoring................................................................................................................................................. 960
54 Stacking.................................................................................................................................................. 962
Stacking Overview........................................................................................................................................................ 962
Stack Management Roles.......................................................................................................................................962
Stack Master Election.............................................................................................................................................963
Virtual IP................................................................................................................................................................... 965
Failover Roles........................................................................................................................................................... 965
MAC Addressing on Stacks....................................................................................................................................965
Stacking LAG........................................................................................................................................................... 966
Supported Stacking Topologies............................................................................................................................. 966
High Availability on Stacks...................................................................................................................................... 967
Management Access on Stacks............................................................................................................................ 968
Enabling Mixed-mode Stacking............................................................................................................................. 969
Important Points to Remember................................................................................................................................... 969
Stacking Installation Tasks............................................................................................................................................969
Create a Stack......................................................................................................................................................... 969
Add Units to an Existing Stack...............................................................................................................................974
Split a Stack..............................................................................................................................................................976
Stacking Conguration Tasks....................................................................................................................................... 977
Assigning Unit Numbers to Units in an Stack.......................................................................................................977
Creating a Virtual Stack Unit on a Stack...............................................................................................................977
Displaying Information about a Stack.................................................................................................................... 977
Inuencing Management Unit Selection on a Stack........................................................................................... 980
Managing Redundancy on a Stack.........................................................................................................................981
Resetting a Unit on a Stack.................................................................................................................................... 981
Verify a Stack Conguration......................................................................................................................................... 981
Displaying the Status of Stacking Ports................................................................................................................982
Remove Units or Front End Ports from a Stack........................................................................................................983
Removing a Unit from a Stack............................................................................................................................... 983
Removing Front End Port Stacking.......................................................................................................................984
Troubleshoot a Stack.....................................................................................................................................................984
Recover from Stack Link Flaps..............................................................................................................................985
Recover from a Card Problem State on a Stack................................................................................................. 985
55 Storm Control.......................................................................................................................................... 987
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