With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprSpanStatsInTopoTpFrames
rpr Span Stats In Topo Tp Frames
1.0.8802.17.1.1.1.3.4.1.25
The number of received (PHY to MAC) topology TP frames processed by this MAC.
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprSpanStatsInTopoTpFrames on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.