With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonEchoAdminTable
Round Trip Time Monitor Echo Admin Table
1.3.6.1.4.1.9.9.42.1.2.2
A table that contains Round Trip Time (RTT) specific definitions. This table is controlled via the rttMonCtrlAdminTable. Entries in this table are created via the rttMonCtrlAdminStatus object.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonEchoAdminTable 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.