Dell PowerConnect 5212 System User's Manual page 81

CLI Commands
The following table summarizes the equivalent CLI commands for items in the Statistics/Counter Summary page.
Command
show interfaces counters interface
clear counters interface
NOTE: You can also clear a port's counters by clicking the Reset Counter button at the bottom of the Statistics/Table page.
Example
Console#show interfaces counters ethernet 1/17
Ethernet 1/17
Iftable stats:
Octets input: 91248, Octets output: 343887
Unitcast input: 680, Unitcast output: 593
Discard input: 0, Discard output: 0
Error input: 0, Error output: 0
Unknown protos input: 0, QLen output: 0
Usage
Displays statistics counters for an interface.
Clears statistics counters on an interface.