Reference Guide

Stacking | 883
Troubleshooting a Switch Stack
Troubleshooting Commands
To perform troubleshooting operations on a switch stack, use the commands in Table 47-4 on the master
switch.
Figure 47-16. show system stack-ports status Command Example
Table 47-4. Troubleshooting Stack Commands
Command Output
show system stack-ports status (Figure 47-16) Displays the status of stacked ports on stack units.
show redundancy (Figure 47-17) Displays the standby unit status, failover configuration, and result
of the last master-standby synchronization; allows you to verify
the readiness for a stack failover.
show hardware stack-unit unit-number stack-port
port-number (Figure 47-16)
Displays input and output flow statistics on a stacked port.
clear hardware stack-unit unit-number counters Clears statistics on the specified stack unit. Valid stack-unit
numbers: 0 to 11.
FTOS#show system stack-ports status
Topology: Ring
Interface Link Speed Admin Link Trunk
(Gb/s) Status Status Group
-------------------------------------------------------
0/4 10 up up
0/5 10 up up
0/6 10 up up
0/7 10 up up
0/8 10 up up
0/9 10 up up
0/10 10 up up
0/11 10 up up
1/4 10 up up
1/5 10 up up
1/6 10 up up
1/7 10 up up
1/8 10 up up
1/9 10 up up
1/10 10 up up
1/11 10 up up
1/12 10 up up
1/13 10 up up
1/14 10 up up