Users Guide

Table Of Contents
MIB Support to Display Organizational Specic Unrecognized LLDP TLVs.....................................................842
MIB Support for LLDP Notication Interval............................................................................................................... 843
Manage VLANs using SNMP....................................................................................................................................... 843
Creating a VLAN...................................................................................................................................................... 844
Assigning a VLAN Alias........................................................................................................................................... 844
Displaying the Ports in a VLAN.............................................................................................................................. 844
Add Tagged and Untagged Ports to a VLAN....................................................................................................... 845
Managing Overload on Startup....................................................................................................................................846
Enabling and Disabling a Port using SNMP................................................................................................................ 847
Fetch Dynamic MAC Entries using SNMP................................................................................................................. 847
Example of Deriving the Interface Index Number......................................................................................................848
MIB Objects for Viewing the System Image on Flash Partitions....................................................................... 849
Monitoring BGP sessions via SNMP...........................................................................................................................849
Monitor Port-Channels.................................................................................................................................................. 851
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 852
Troubleshooting SNMP Operation...............................................................................................................................853
Transceiver Monitoring................................................................................................................................................. 853
49 Stacking.................................................................................................................................................. 855
Stacking Overview........................................................................................................................................................ 855
Stack Management Roles...................................................................................................................................... 855
Stack Master Election.............................................................................................................................................856
Virtual IP................................................................................................................................................................... 856
Failover Roles........................................................................................................................................................... 856
MAC Addressing on Stacks.................................................................................................................................... 857
Stacking LAG........................................................................................................................................................... 858
Supported Stacking Topologies............................................................................................................................. 858
High Availability on Stacks......................................................................................................................................859
Management Access on Stacks............................................................................................................................ 860
Important Points to Remember................................................................................................................................... 860
Stacking Installation Tasks.............................................................................................................................................861
Create a Stack.......................................................................................................................................................... 861
Add Units to an Existing Stack.............................................................................................................................. 865
Split a Stack..............................................................................................................................................................867
Stacking Conguration Tasks.......................................................................................................................................868
Assigning Unit Numbers to Units in an Stack...................................................................................................... 868
Creating a Virtual Stack Unit on a Stack.............................................................................................................. 868
Displaying Information about a Stack....................................................................................................................869
Inuencing Management Unit Selection on a Stack............................................................................................870
Managing Redundancy on a Stack.........................................................................................................................871
Resetting a Unit on a Stack.....................................................................................................................................871
Verify a Stack Conguration.........................................................................................................................................872
Displaying the Status of Stacking Ports................................................................................................................872
Remove Units or Front End Ports from a Stack........................................................................................................ 873
Removing a Unit from a Stack............................................................................................................................... 873
Removing Front End Port Stacking....................................................................................................................... 874
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