ACE counter operation

For a given ACE in an assigned ACL, the counter increments by 1 each time the switch detects a packet that matches the criteria in that ACE, and it maintains a running total of the matches since the last counter reset.

ACE counter operation

In ACL line 10 below, there has been a total of 37 matches on the ACE since the last time the ACL's counters were reset.
Total
(37)        10 permit icmp ::/0 fe80::20:2/128 128