https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst_pon/software/configuration_guide/sec/b-gpon-config-security/preventing_arf_spoofing_and_flood_attack.html
Nov 9, 2020 — An ARP spoofing attack can affect hosts, switches, and routers connected to your network by sending false information to the ARP caches of the devices ...