With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCasaInterestPackets
Cisco Casa Interest Packets
1.3.6.1.4.1.9.9.122.1.2.2.1.1
Number of Interest Packets send to the Service Manager by this Forwarding Agent or the number of Interest Packets received by this Service Manager.
Back to CISCO-CASA-MIB MIB page.
IPHost Network monitor allows you to monitor cCasaInterestPackets 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.