Contents
vi
OmniSwitch 6850/6850E Series Hardware Users Guide
June 2011
Chapter 5
Managing Power over Ethernet (PoE)
................................................................. 5-1
In This Chapter ................................................................................................................ 5-2
Power over Ethernet Specifications ................................................................................ 5-3
Viewing PoE Power Supply Status ................................................................................. 5-4
Configuring Power over Ethernet Parameters ................................................................. 5-5
Power over Ethernet Defaults .................................................................................. 5-5
Understanding and Modifying the Default Settings ................................................. 5-5
PoE Class Detection ................................................................................................. 5-5
Setting the PoE Operational Status .................................................................... 5-6
Configuring the Total Power Available to a Port .............................................. 5-6
Configuring the Total Power Available to a slot ............................................... 5-7
Setting Port Priority Levels ............................................................................... 5-7
Setting the Capacitor Detection Method ........................................................... 5-8
Understanding Priority Disconnect ................................................................................. 5-9
Setting Priority Disconnect Status ............................................................................ 5-9
Disabling Priority Disconnect ........................................................................... 5-9
Enabling Priority Disconnect ............................................................................ 5-9
Priority Disconnect is Enabled; Same Priority Level on All PD ..................... 5-10
Priority Disconnect is Enabled;
Incoming PD Port has Highest Priority Level ................................................. 5-10
Priority Disconnect is Enabled;
Incoming PD Port has Lowest Priority Level .................................................. 5-10
Priority Disconnect is Disabled ....................................................................... 5-11
Monitoring Power over Ethernet via CLI ..................................................................... 5-12
Chapter 6
Managing OmniSwitch 6850/6850E Series Stacks
........................................... 6-1
In This Chapter ................................................................................................................ 6-2
OmniSwitch 6850/6850E Series Stacking Specifications ............................................... 6-3
Changing OS6850E Chassis Mode .......................................................................... 6-3
Changing OS6850E Daughter Module Mode .......................................................... 6-3
OmniSwitch 6850/6850E Series Stack Overview ........................................................... 6-5
Roles Within the Stack .................................................................................................... 6-5
Primary and Secondary Management Modules ....................................................... 6-5
Primary Management Module Selection ........................................................... 6-8
Secondary Management Module Selection ..................................................... 6-11
Idle Module Role .................................................................................................... 6-13
Pass-Through Mode ............................................................................................... 6-14
Recovering from Pass-Through Mode (Duplicate Slot Numbers) .................. 6-15
Stack Cabling ................................................................................................................ 6-18
Redundant Stacking Cable Connection .................................................................. 6-19
Checking Redundant Stacking Cable Status .......................................................... 6-21
Slot Numbering ............................................................................................................. 6-22
Dynamic Slot Number Assignment ........................................................................ 6-23
Manual Slot Number Assignment .......................................................................... 6-25
Reverting to the Dynamic Slot Numbering Model .......................................... 6-26