With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsIfBindingsLimit
CISCO DHCP SNOOPING If Bindings Limit
1.3.6.1.4.1.9.9.380.1.3.4.1.1
This object specifies the maximum number of DHCP bindings allowed on this interface. This objects value will limit the number of entries in cdsBindingsTable and cdsStaticBindingsTable. The sum of all instances' value of cdsIfBindingsLimit in this table should be less than or equal to the object value of cdsGlobalMaxBindingsLimit.
Back to CISCO-DHCP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cdsIfBindingsLimit on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.