With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdpCtAddressIndex
Cisco Discovery Protocol Ct Address Index
1.3.6.1.4.1.9.9.23.1.2.2.1.3
The index of the address entry for a given cdpCacheIfIndex,cdpCacheDeviceIndex pair. It has the value N-1 for the N-th address in the Address TLV
Back to CISCO-CDP-MIB MIB page.
IPHost Network monitor allows you to monitor cdpCtAddressIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.