Reference Guide

878 | Stacking
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Verifying a Stack Configuration
Using LEDs
Table 47-2 lists the status of a stacked switch (master, standby master, or member unit) according to the
color of the System Status LED on its front panel.
Using Show Commands
To display information on the stack configuration, use the show commands in Table 47-3 on the master
switch.
Figure 47-11. show system stack-unit stack-group configured Command Example
Table 47-2. System Status LED on a Stacked Switch
Color Meaning
Green The switch is online and operating as a master, standby, or member unit in an S5000 stack or as
a standalone unit.
Blinking Green The switch is booting up.
Amber A failure condition in switch operation has occurred.
Table 47-3. Displaying Stack Configurations
Command Output
show system [brief]
(Figure 47-8 and Figure 47-9)
Displays information on S5000 stack, including stacking roles
(master, standby, and member units), stack MAC address, reload
type, and modules used in each unit.
show system stack-unit unit-number stack-group
configured
(Figure 47-11)
Displays the stack groups allocated on a stacked switch. Valid
stack-unit numbers: 0 to 11.
show system stack-unit unit-number stack-group
(Figure 47-12)
Displays the port numbers that correspond to the stack groups on
a switch. Valid stack-unit numbers: 0 to 11.
show system stack-ports [status | topology]
(Figure 47-13, Figure 47-14, and Figure 47-15)
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.
FTOS#show system stack-unit 0 stack-group configured
Configured stack groups in stack-unit 0
------------------------------------------
1
2
FTOS#show system stack-unit 1 stack-group configured
Configured stack groups in stack-unit 1
------------------------------------------
1
2