How to reset counters on interfaces: error, dropped, frameTo understand if there is still a problem.
You can most certainly reset interface counters via the steps in sk61500. Just be aware that reloading a NIC device driver will cause an outage on *all* individual interfaces utilizing that particular driver, including no doubt (in true Murphy's Law fashion) the interface you are currently using for your SSH control connection into the firewall itself. Careful!
Kind of like copy/pasting ACL updates on a Cisco and your SSH session freezes up permanently, sparking a panicked sprint to the console...oops.
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The easiest way is to reboot if that is an option. Otherwise check this SK How to reset interface counters
Reboot not required!
You'll have to reload the driver on this NIC
Retrieving data ...