With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniRouteAddrProto
pnni Route Address Protocol
1.3.6.1.4.1.353.5.4.1.1.19.4.1.8
The routing mechanism via which the connectivity from the advertising node to the reachable address prefix was learned.
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniRouteAddrProto on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.