Concept Guide

Dual Homing................................................................................................................................................................... 766
Conguration Terminal Batch Mode...................................................................................................................... 767
Setting up Dual Homing...........................................................................................................................................767
Upgrading to OS 9.10(0.0).......................................................................................................................................772
Upgrading from OS 9.10(0.0).................................................................................................................................. 777
Supported Features on Dual Homing.................................................................................................................... 779
CLIs Supported on Primary VLT Node.................................................................................................................. 780
42 Port Extender (PE) Stacking.................................................................................................................... 781
Stack Management Roles..............................................................................................................................................781
Stack Master Election................................................................................................................................................... 782
Important Points to Remember....................................................................................................................................782
PE Stack Conguration.................................................................................................................................................783
Conguring a PE Stack........................................................................................................................................... 783
Adding a Unit to an Existing PE Stack.................................................................................................................. 785
Renumbering a Stack Unit......................................................................................................................................785
Prioritizing Stack Units............................................................................................................................................786
Managing PE Stack Redundancy...........................................................................................................................786
Removing a Unit from a PE Stack..........................................................................................................................787
Verifying a PE Stack Master and Standby............................................................................................................788
Displaying PE Stack Information............................................................................................................................ 788
Conguring the Unused PE Uplink Ports as Front-End Ports................................................................................. 790
Conguring Uplink Ports as Access Ports............................................................................................................ 792
Reverting the Access Port to Uplink Port............................................................................................................ 793
Locating the Port Extender ......................................................................................................................................... 793
Troubleshooting a PE Stack..........................................................................................................................................794
Diagnosing an Error Condition................................................................................................................................794
Using PE Console Commands................................................................................................................................794
Splitting a Daisy-Chained PE Stack.......................................................................................................................794
43 Port Monitoring....................................................................................................................................... 795
Port Monitoring..............................................................................................................................................................795
Important Points to Remember..............................................................................................................................796
Examples of Port Monitoring..................................................................................................................................796
Conguring Port Monitoring ..................................................................................................................................797
Remote Port Mirroring.................................................................................................................................................. 799
Remote Port Mirroring Example............................................................................................................................ 800
Conguring Remote Port Mirroring.......................................................................................................................800
Displaying a Remote-Port Mirroring Conguration..............................................................................................802
Conguring Remote Port Monitoring....................................................................................................................802
Encapsulated Remote-Port Monitoring......................................................................................................................805
Port Monitoring on VLT.................................................................................................................................................807
VLT Non-fail over Scenario.....................................................................................................................................807
VLT Fail-over Scenario............................................................................................................................................808
RPM over VLT Scenarios........................................................................................................................................808
Contents
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