With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cePfePerfCurrent1MinUtilization
Cisco Entity Packet Forwarding Engine Performance Current1 Minimum Utilization
1.3.6.1.4.1.9.9.265.1.1.2.1.3
This object provides the PFE percentage utilization over the previous 1 minute period. It is determined by the number of new work contexts + feedback contexts divided by total number of contexts that can be supported by the PFE pipeline.
Back to CISCO-ENTITY-PFE-MIB MIB page.
IPHost Network monitor allows you to monitor cePfePerfCurrent1MinUtilization 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.