Owner`s manual

222 | Stacking
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Verifying a Stack Configuration
Using LEDs
Table 16-2 lists the status of a stacked switch according to the color of the System Status light emitting
diodes (LEDs) on its front panel.
Using Show Commands
To display information on the stack configuration, use the show commands in Table 16-3 on the master
switch.
Table 16-2. System Status LED on a Stacked Switch
Color Meaning
Blue The switch is operating as the stack master or as a standalone unit.
Off The switch is a member or standby unit.
Amber The switch is booting or a failure condition has occurred.
Table 16-3. Displaying Stack Configurations
Command Output
show system [brief] (Figure 16-18 and Figure 16-19) Displays stacking roles (master, standby, and member units) and
the stack MAC address.
show inventory optional-module (Figure 16-20) Displays the FlexIO modules currently installed in expansion
slots 0 and 1 on a switch and the expected module logically
provisioned for the slot.
show system stack-unit unit-number stack-group
configured
(Figure 16-21)
Displays the stack groups allocated on a stacked switch. The
range is from 0 to 5.
show system stack-unit unit-number stack-group
(Figure 16-22)
Displays the port numbers that correspond to the stack groups on
a switch. The range is from 0 to 5.
show system stack-ports [status | topology]
(Figure 16-23)
Displays the type of stack topology (ring or daisy chain) with a
list of all stacked ports, port status, link speed, and peer stack-unit
connection.