show stack-port counters

This command displays summary data counter information for all interfaces.

Format show stack-port counters [1-n | all]
Mode Privileged EXEC
Column
Meaning
Unit The unit number.
Interface The slot and port numbers.
Tx Data Rate Trashing data rate in megabits per second on the stacking port.
Tx Error Rate Platform-specific number of transmit errors per second.
Tx Total Errors Platform-specific number of total transmit errors since power-up.
Rx Data Rate Receive data rate in megabits per second on the stacking port.
Rx Error Rate Platform-specific number of receive errors per second.
Rx Total Errors Platform-specific number of total receive errors since power-up.
Link Flaps The number of up/down events for the link since system boot up.

This example shows the stack ports and associated statistics of unit 2.

(Extreme 220) (Routing) #show stack-port counters 2
                  ------------TX---------------    ------------RX--------------  -----
                  Data      Error                   Data    Error
                  Rate      Rate         Total      Rate    Rate         Total   Link
Unit   Interface  (Mb/s)    (Errors/s)   Errors     (Mb/s)  (Errors/s)   Errors  Flaps
----   ---------  -------   ----------   ------     ------  ----------   ------  -----
2        0/53        0        0            0          0       0            0       0
2        0/54        0        0            0          0       0            0       0
2        0/55        0        0            0          0       0            0       0
2        0/56        0        0            0          0       0            0       0
(Extreme 220) (Routing) #