With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDhcpv4HCCountInvalids
Cisco Dynamic Host Configuration protocol HC Count Invalids
1.3.6.1.4.1.9.10.102.1.9.10
The number of DHCP packets received whose DHCP message type (i.e., option number 53) is not understood or handled by the server.
Back to CISCO-IETF-DHCP-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor cDhcpv4HCCountInvalids on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
