Users Guide

MIB Support for LAG.................................................................................................................................................... 794
Viewing the LAG MIB..............................................................................................................................................796
Manage VLANs using SNMP....................................................................................................................................... 796
Creating a VLAN......................................................................................................................................................796
Assigning a VLAN Alias........................................................................................................................................... 796
Displaying the Ports in a VLAN.............................................................................................................................. 797
Add Tagged and Untagged Ports to a VLAN.......................................................................................................798
Managing Overload on Startup....................................................................................................................................799
Enabling and Disabling a Port using SNMP................................................................................................................799
Fetch Dynamic MAC Entries using SNMP.................................................................................................................800
Deriving Interface Indices..............................................................................................................................................801
Monitor Port-Channels.................................................................................................................................................802
Enabling an SNMP Agent to Notify Syslog Server Failure.......................................................................................803
Troubleshooting SNMP Operation..............................................................................................................................804
Transceiver Monitoring.................................................................................................................................................804
50 Stacking.................................................................................................................................................. 806
Stacking Overview........................................................................................................................................................ 806
Cross Platform Stacking.........................................................................................................................................806
Stack Management Roles.......................................................................................................................................807
Stack Master Election.............................................................................................................................................807
Virtual IP.....................................................................................................................................................................811
Failover Roles.............................................................................................................................................................811
MAC Addressing on Stacks..................................................................................................................................... 811
Stacking LAG............................................................................................................................................................ 814
Supported Stacking Topologies..............................................................................................................................814
High Availability on Stacks...................................................................................................................................... 815
Management Access on Stacks.............................................................................................................................816
Important Points to Remember....................................................................................................................................817
Stacking Installation Tasks............................................................................................................................................ 817
Create a Stack.......................................................................................................................................................... 817
Add Units to an Existing Stack.............................................................................................................................. 820
Split a Stack............................................................................................................................................................. 822
Stacking Configuration Tasks...................................................................................................................................... 823
Assigning Unit Numbers to Units in an Stack...................................................................................................... 823
Creating a Virtual Stack Unit on a Stack..............................................................................................................823
Displaying Information about a Stack....................................................................................................................823
Influencing Management Unit Selection on a Stack........................................................................................... 827
Managing Redundancy on a Stack........................................................................................................................828
Resetting a Unit on a Stack................................................................................................................................... 828
Verify a Stack Configuration........................................................................................................................................828
Displaying the Status of Stacking Ports...............................................................................................................829
Removing a Unit from a Stack.....................................................................................................................................830
Troubleshoot a Stack.................................................................................................................................................... 832
Recover from Stack Link Flaps..............................................................................................................................832
Recover from a Card Problem State on a Stack.................................................................................................832
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