With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniMapAddrIndex
pnni Map Address Index
1.3.6.1.4.1.353.5.4.1.1.16.1.3
An arbitrary index that is used to enumerate all of the addresses advertised by the specified node.
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniMapAddrIndex 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.