With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pnniSummaryAddressState
pnni Summary Address State
1.3.6.1.4.1.353.5.4.1.1.20.1.5
Indicates whether the summary is currently being advertised by the node within the local switching system into its peer group.
Back to PNNI-MIB MIB page.
IPHost Network monitor allows you to monitor pnniSummaryAddressState 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.
