With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgprsAccPtDhcpProxServDiscover
Cisco GPRS Access Point Dhcp Proxy Server Discover
1.3.6.1.4.1.9.9.183.1.3.1.1.61
This object represents the number of DHCP Discover messages received by the Gateway. The UE sends this message upon bootup/lease rebinding timer expiry.
Back to CISCO-GPRS-ACC-PT-MIB MIB page.
IPHost Network monitor allows you to monitor cgprsAccPtDhcpProxServDiscover 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.