Concept Guide

Global MIB objects for port security......................................................................................................................873
MIB support for interface level port security....................................................................................................... 873
MIB objects for conguring MAC addresses........................................................................................................ 874
MIB objects for conguring MAC addresses........................................................................................................875
Manage VLANs using SNMP....................................................................................................................................... 876
Creating a VLAN...................................................................................................................................................... 876
Assigning a VLAN Alias............................................................................................................................................876
Displaying the Ports in a VLAN.............................................................................................................................. 876
Add Tagged and Untagged Ports to a VLAN........................................................................................................877
Managing Overload on Startup.................................................................................................................................... 878
Enabling and Disabling a Port using SNMP................................................................................................................ 879
Fetch Dynamic MAC Entries using SNMP................................................................................................................. 879
Example of Deriving the Interface Index Number..................................................................................................... 880
MIB Objects for Viewing the System Image on Flash Partitions........................................................................881
Monitoring BGP sessions via SNMP............................................................................................................................881
Monitor Port-Channels................................................................................................................................................. 883
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 884
Troubleshooting SNMP Operation...............................................................................................................................885
Transceiver Monitoring................................................................................................................................................. 885
Conguring SNMP context name............................................................................................................................... 886
49 Stacking...................................................................................................................................................887
Stacking Overview.........................................................................................................................................................887
Stack Management Roles.......................................................................................................................................887
Stack Master Election.............................................................................................................................................888
Virtual IP................................................................................................................................................................... 888
Failover Roles........................................................................................................................................................... 888
MAC Addressing on Stacks....................................................................................................................................889
Stacking LAG........................................................................................................................................................... 890
Supported Stacking Topologies............................................................................................................................. 890
High Availability on Stacks.......................................................................................................................................891
Management Access on Stacks............................................................................................................................ 892
Important Points to Remember................................................................................................................................... 892
Stacking Installation Tasks............................................................................................................................................ 893
Create a Stack..........................................................................................................................................................893
Add Units to an Existing Stack...............................................................................................................................897
Split a Stack............................................................................................................................................................. 899
Stacking Conguration Tasks.......................................................................................................................................900
Assigning Unit Numbers to Units in an Stack...................................................................................................... 900
Creating a Virtual Stack Unit on a Stack.............................................................................................................. 900
Displaying Information about a Stack.....................................................................................................................901
Inuencing Management Unit Selection on a Stack........................................................................................... 902
Managing Redundancy on a Stack........................................................................................................................903
Resetting a Unit on a Stack....................................................................................................................................903
Verify a Stack Conguration........................................................................................................................................ 904
Displaying the Status of Stacking Ports............................................................................................................... 904
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