With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cefPathInterface
CISCO Express Forwarding Path Interface
1.3.6.1.4.1.9.9.492.1.1.5.1.3
Interface associated with this CEF path. A value of zero for this object will indicate that no interface is associated with this path entry.
Back to CISCO-CEF-MIB MIB page.
IPHost Network monitor allows you to monitor cefPathInterface 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.