Contents
vi OmniSwitch 6250 Hardware Users Guide June 2012
Disabling Priority Disconnect ...........................................................................5-8
Enabling Priority Disconnect ............................................................................5-8
Priority Disconnect is Enabled; Same Priority Level on All PD .......................5-9
Priority Disconnect is Enabled; Incoming PD Port has Highest Priority Level 5-9
Priority Disconnect is Enabled; Incoming PD Port has Lowest Priority Level 5-9
Priority Disconnect is Disabled .......................................................................5-10
Monitoring Power over Ethernet via CLI .....................................................................5-11
Chapter 6 Managing OmniSwitch 6250 Stacks .....................................................................6-1
In This Chapter ................................................................................................................6-2
OmniSwitch 6250 Stacking Specifications .....................................................................6-3
Changing Stacking Mode on Metro Models ............................................................6-3
OmniSwitch 6250 Stack Overview .................................................................................6-4
Roles Within the Stack ....................................................................................................6-4
Primary and Secondary Management Modules .......................................................6-4
Primary Management Module Selection ...........................................................6-7
Secondary Management Module Selection .....................................................6-10
Idle Module Role ....................................................................................................6-12
Pass-Through Mode ...............................................................................................6-13
Recovering from Pass-Through Mode (Duplicate Slot Numbers) ..................6-14
Stack Cabling ................................................................................................................6-17
Redundant Stacking Cable Connection ..................................................................6-18
Checking Redundant Stacking Cable Status ..........................................................6-19
Slot Numbering .............................................................................................................6-20
Dynamic Slot Number Assignment ........................................................................6-21
Manual Slot Number Assignment ..........................................................................6-23
Reverting to the Dynamic Slot Numbering Model ..........................................6-24
Hot-Swapping Modules In a Stack ...............................................................................6-25
Removing Switches from an Existing Stack ..........................................................6-25
Inserting Switches Into an Existing Stack ..............................................................6-25
Merging Stacks .......................................................................................................6-26
Reloading Switches .......................................................................................................6-27
Reloading the Primary Management Module ........................................................6-27
Reloading the Secondary Management Module ....................................................6-29
Reloading Switches with Idle Roles .......................................................................6-31
Reloading Switches in Pass-Through Mode ..........................................................6-31
Reloading All Switches in a Stack .........................................................................6-32
Software Synchronization During a Full Reload .............................................6-32
Effects of Saved Slot Number Information on the Reload Process .................6-32
Avoiding Split Stacks .............................................................................................6-34
Changing the Secondary Module to Primary ................................................................6-35
Synchronizing Switches in a Stack ...............................................................................6-37
Automatic Synchronization During a Full Reload .................................................6-37
Monitoring the Stack .....................................................................................................6-38
Visually Monitoring the Stack ...............................................................................6-38
CLI Commands Supported on Both Primary and