Reference Guide

Provisioning a Stack Unit
You can logically provision a stack-unit number to accept only an S5000 switch.
Provisioning is a type of pre-configuration that is stored on the master switch and applied when a stacked
unit is assigned the unit number.
1. Create a virtual stack unit by logically provisioning a switch.
CONFIGURATION mode
stack-unit unit-number provision S5000
2. Save the provisioning configuration.
EXEC Privilege mode
write memory
3. Reload the stack for the provisioning reconfiguration to take effect.
EXEC Privilege mode
reload
Dell Networking OS Behavior: A stacking configuration is handled as follows:
• If a stack unit goes down and is removed from the stack, the logical provisioning configured for the
stack-unit number is saved on the master and standby switches.
• When you add a new unit to the stack and the stack already has an existing member unit with the
same stack-unit number, the new unit is assigned the smallest available unit number (from 0 to 11). A
configuration mismatch between the newly added unit and a logically provisioned unit occurs if the
logical provisioning for the unit number and the added unit have different stack groups configured. In
this case, the stack-group configuration on the new unit takes precedence over the logical
provisioning.
Converting Four 10 GbE Ports to 40 GbE Ports for
Stacking
Stacking is not supported on fixed 40 GbE ports operating in 4x10G (quad) mode.
1. Convert a 4x10GbE port to 40GbE mode.
CONFIGURATION mode
no stack-unit unit-number port port-number portmode quad
stack-unit number is the ID number of the stack unit. The valid values are from 0 to 11.
2. Save the port configuration.
EXEC Privilege mode
write memory
3. Reload the stack for the port reconfiguration to take effect.
EXEC Privilege mode
reload
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Stacking