With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmlrResultPc
Cisco Multi-layer Routing Result Pc
1.3.6.1.4.1.9.9.396.1.9.1.5
A destination point code that must exist in the MTP3 routing table, and its state is extracted from MTP3 for availability purposes. This object only has applies when the cmlrResultType has the 'pc' value. Otherwise, this object will return zero value.
Back to CISCO-ITP-MLR-MIB MIB page.
IPHost Network monitor allows you to monitor cmlrResultPc on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.