With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fspfMaxAge
Cisco Fabric Shortest Path First Max Age
1.3.6.1.4.1.9.9.287.1.1.1.8
The maximum age an LSR will be retained in the FSPF database on this VSAN. It is removed from the database after MaxAge is reached.
Back to CISCO-FSPF-MIB MIB page.
IPHost Network monitor allows you to monitor fspfMaxAge on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.