So if the device ARP cache entry contain the old MAC address for that ip, it will relearn the address by any protocol (ICMP echo-reply) even with empty cache right ? Or echo-reply has different operation? I can't ping from the virtual ASA (in debug i...

My case is virtual lab, and the virtual asa fail the ping to the gateway (which is the real switch), the result is "?" still. I went to the switch and tried to ping back to the gateway, first packet failed then others 5 succeeded. Then I went back to...