With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdpCacheAddressType
Cisco Discovery Protocol Cache Address Type
1.3.6.1.4.1.9.9.23.1.2.1.1.3
An indication of the type of address contained in the corresponding instance of cdpCacheAddress.
Back to CISCO-CDP-MIB MIB page.
IPHost Network monitor allows you to monitor cdpCacheAddressType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
