With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniRouteTnsOptionalGroup
pnni Route Tns Optional Group
1.3.6.1.4.1.353.5.4.1.2.2.30
A collection of optional PNNI objects used to manage routes to reachable transit networks in the PNNI routing domain.
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniRouteTnsOptionalGroup 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.