Reference Guide

868 | Stacking
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Removing a Stack Group from Stacking Mode
To remove a stack group of four 10GbE ports or one 40GbE port from the stack, use the no form of the
stack-unit unit-number stack-group number command. After entering the command, save the configuration
and if necessary, re-attach the cables to ports in a different stack group that has been enabled for stacking.
Then reload the stack for the change to take effect.
To remove a stack group from an S5000 stack:
Removing a Switch from a Stack
After you remove all ports from an S5000 stack (Removing a Stack Group from Stacking Mode), the
switch functions in standalone mode but retains the running and startup configuration that was last
synchronized by the master switch while it operated as a stack unit.
To remove a switch from a stack, disconnect the stacking cables from the unit either when the unit is
powered on or off and is online or offline.
If you remove a unit from the middle of a daisy-chained stack, the stack is split into two parts. Each split
stack forms a new stack according to MAC addresses or assigned priorities, as described in Configuring
S5000 Stacking Ports and Bringing Up a Stack and Assigning a Priority to Stacked Switches.
Adding a Stack Unit
Before you add a unit to an S5000 stack, use the show version command to verify that the switch is running
the same Dell networking OS version and then power down the switch.
You can add a new powered-down unit to an existing stack both when the unit has no stacking ports (stack
groups) configured and when the unit already has stacking ports configured. If a unit that was previously
configured for stacking is added to a stack, it is assigned the smallest available unit number in the stack.
You can also pre-configure a stack unit number and priority on the switch to be added by using the
following commands:
Step Task Command Syntax Command Mode
1 Remove a stacking port from a stack.
no stack-unit unit-number
stack-group group
CONFIGURATION
2 Save the port configuration.
write memory
EXEC PRIVILEGE
3 Reload the stack for the port reconfiguration to take effect.
reload
EXEC PRIVILEGE
Command Syntax Command Mode Task
show system brief
show system stack-unit
EXEC Privilege On the stack, determine the next available stack-unit
number and the management priority of the management
unit.