Workstations started getting APIPA addresses and unable to get a valid DHCP IP address. Not all devices on the switch are experiencing this problem which is weird. I logged into my switch and I'm seeing a ton of %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs trying to contact the gateway with no success. I proceeded to think that maybe these machines were acting as a DHCP server so I shut them all down but then it just seemed to move to other interfaces.
I'm not sure how to track down these Dynamic ARP inspection denials and need assistance. Information on switch below.
2 x 3750G
2 x 3750E
Both running 12.2(58)SE1 IPBASEK9-M