With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprSpanErrorIntervalTtlExpFrames
rpr Span Error Interval Ttl Exp Frames
1.0.8802.17.1.1.1.5.2.1.6
The number of received (PHY to MAC) frames that were dropped due to zero Time To Live (TTL) in a particular interval in the past 24 hours
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprSpanErrorIntervalTtlExpFrames 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.
