Clear Flow Counters
You can use the following command to clear all ASIC Flow counters:
Reference
clear flow counters (all | <flow-name> [rule <ruleid> ])
Example
pbnoscli# clear flow counters all
pbnoscli#
pbnoscli# clear flow counters flow01
pbnoscli#
pbnoscli# show flow counters all
Flow-Name Rule-Id ASIC-Stat-Id Counter-Value
=============================================================
flow01 DropRule 32768 0
flow01 1 40960 0
pbnoscli#