With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonLatestRttOperTime
Round Trip Time Monitor Latest Round Trip Time Operational Time
1.3.6.1.4.1.9.9.42.1.2.10.1.5
The value of the agent system time at the time of the latest RTT operation.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonLatestRttOperTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.