With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDhcpv4IntLeaseQueries
Cisco IETF Dynamic Host Configuration protocol Interval Lease Queries
1.3.6.1.4.1.9.10.122.1.3.9
The total number of DHCPLEASEQUERY packets received during the reporting interval.
Back to CISCO-IETF-DHCP-SERVER-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cDhcpv4IntLeaseQueries on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.