I am including the output from our companies ASA 5520. I am wondering if this strange output could be due to ARP Spoofing, and if so what should be my next step?
WRMC-ASA# show arp
outside 24.XXX.XX.XX 0002.fc67.8166 64 - (This entry appears to be fine)
outside 24.XXX.XX.XX 0002.fc67.8166 777 - (This entry appears to be fine)
outside 172.16.15.1 0002.fc67.8166 1553 - (**This is the entry that I am concerned about)
inside 172.16.15.1 0011.bcc7.9440 1636 - (This entry appears to be correct)
dmz-1 192.168.101.11 000e.0c6e.a0f4 219 - (This entry appears to be correct)