Enable ACL “deny” or “permit” logging
ACL logging enables the switch to generate a message when IP traffic meets the criteria for a match with an ACE that results in an explicit “deny” or “permit” action. You can use ACL logging to help:
Test your network to ensure that your ACL configuration is detecting and denying or “permitting” the IPv4 traffic you do not want forwarded.
Receive notification when the switch detects attempts to forward IPv4 traffic you have designed your ACLs to reject (deny) or allow (permit).
logging < >
to configure up to six server destinations.