With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonJitterStatsRTTMax
Round Trip Time Monitor Jitter Stats RTT Max
1.3.6.1.4.1.9.9.42.1.3.5.1.9
The maximum of RTT's that were successfully measured
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonJitterStatsRTTMax 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.