With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdpCacheSecondaryMgmtAddrType
Cisco Discovery Protocol Cache Secondary Management Address Type
1.3.6.1.4.1.9.9.23.1.2.1.1.21
An indication of the type of address contained in the corresponding instance of cdpCacheSecondaryMgmtAddress.
Back to CISCO-CDP-MIB MIB page.
IPHost Network monitor allows you to monitor cdpCacheSecondaryMgmtAddrType 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.