Dell PowerConnect PC7048R Інструкція з укладання - Сторінка 3
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Stacking Dell PowerConnect 7000 Series Switches
Contents
Introduction ................................................................................................................ 2
Applicability ............................................................................................................. 2
Stacking and Management ............................................................................................ 2
Stacking and Performance ............................................................................................ 2
Stacking and Redundancy ............................................................................................. 3
Power-Up Sequencing Considerations ............................................................................... 5
Initial Installation and Power-up of a Stack .......................................................................... 6
Selecting the Master Unit ................................................................................................ 7
Selecting the Standby Unit .............................................................................................. 7
Updating the Firmware on a Stack ..................................................................................... 8
Automatic Update ...................................................................................................... 8
Manual Update .......................................................................................................... 9
Adding a Stack Member with Minimal Interruption ................................................................ 16
Removing a Stack Member with Minimal Interruption ............................................................ 17
Merging Two Operational Stacks ...................................................................................... 18
Synchronizing the Running Configuration between the Master and Standby Units .......................... 19
Master Failover .......................................................................................................... 19
Effect of Master Failover on PoE Devices......................................................................... 19
Stack Member Failover ................................................................................................. 19
Failover Scenarios ....................................................................................................... 20
Scenario 1 .............................................................................................................. 20
Scenario 2 .............................................................................................................. 21
Scenario 3 .............................................................................................................. 22
Nonstop Forwarding ..................................................................................................... 23
Initiating a Warm Failover of the Manager Unit ................................................................. 24
Nonstop Forwarding Scenario ....................................................................................... 24
NSF Scenario Configuration via CLI ............................................................................. 26
NSF Example 1 ...................................................................................................... 30
NSF Example 2: ..................................................................................................... 30
NSF Re-convergence Timing ........................................................................................... 31
Medium Configuration .................................................................................................. 31
Small Configuration ..................................................................................................... 32
Stacking CLI Commands ................................................................................................ 32
Stacking Web Interface ................................................................................................. 34
Summary .................................................................................................................. 34
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