Reference Guide

Remove a Switch from a Stack
After you remove all ports from an S5000 stack, 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.
For more information, refer to Removing a Stack Group from Stacking Mode.
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
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, to verify that the switch is running the same Dell networking OS
version. use the show version command, 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 you add a unit that
was previously configured for stacking 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.
• On the stack, determine the next available stack-unit number and the management priority of the
management unit.
EXEC Privilege mode
show system brief show system stack-unit
• On the new unit, configure the next available stack-unit number.
EXEC Privilege mode
stack-unit renumber
• On the new unit, assign a management priority based on whether you want the new unit to be the
stack manager.
CONFIGURATION mode
stack-unit priority
Adding a Standalone Switch to a Stack
The following steps describe adding a standalone switch to a stack with no configured stack groups
(steps from 1 to 6) and with configured stack groups (steps 7 and 8).
To add a standalone switch with no stack groups configured to a stack, follow these steps.
1. Attach port cables to connect ports on the switch to one or more switches in the stack.
2. Power on the switch.
Stacking
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