With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniRouteNodeTable
pnni Route Node Table
1.3.6.1.4.1.353.5.4.1.1.19.2
This entity's PNNI Routing table (of routes to other nodes).
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniRouteNodeTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.