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Renumbering a Stack Unit
By default, the number of a PE stack unit is 0. After you create and power on a PE stack, the units
automatically number from 0 to 7, starting at 0. To change the default or automatically assigned stack unit
number, use the pe renumber command.
NOTE:
You can renumber a unit only when it is online and if no unit with the new stack-unit number is
online.
•
Configure a stack-unit number.
EXEC Privilege mode
pe pe-id stack-unit unit-id renumber unit-id
Where:
•
pe pe-id is the PE ID number. The range is from 0 to 255.
•
stack-unit unit-id is the stack-unit ID number. The range is from 0 to 7.
•
renumber renumber is the new stack-unit ID.
Dell# pe 200 stack-unit 3 renumber 5
Renumbering the stack master triggers a stack reload, as shown in the following message. When the stack
comes back online, the master unit remains the management unit.
Renumbering management unit will reload the stack.
WARNING: Interface configuration for current unit will be lost!
Proceed[confirm yes/no]: yes
Prioritizing Stack Units
In a PE stack, by default, the stack unit with the highest MAC address is elected master; the stack unit with the
second highest MAC address is elected standby. To change the default master and standby assignment, you
can assign stack-unit priorities. If multiple units tie for the highest priority, the unit with the highest MAC
address is elected master.
NOTE:
You can configure a stack-unit priority only when the unit is online.
1
Enter Port-Extender Configuration mode.
CONFIGURATION mode
pe pe-id
2
Configure a stack-unit priority.
PORT-EXTENDER CONFIGURATION mode
stack-unit unit-number priority priority
Where:
•
unit-number — The stack-unit number. The range is from 0 to 7.
Port Extender (PE) Stacking
850
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Troubleshooting
