With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprSpanErrorStatsSpan
rpr Span Error Stats Span
1.0.8802.17.1.1.1.5.4.1.2
An indication of the span of the interface for which this row contains information.
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprSpanErrorStatsSpan 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.
