With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMplsVpnMonScheduleFrequency
Round Trip Time Mpls Vpn Monitor Schedule Frequency
1.3.6.1.4.1.9.9.42.1.2.17.1.3
Specifies the duration between initiating each RTT operation configured by the Auto SAA L3 MPLS VPN. This object cannot be set to a value which would be a shorter duration than rttMplsVpnMonCtrlTimeout. The usage of this value in RTT operation is same as rttMonCtrlAdminFrequency.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMplsVpnMonScheduleFrequency 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.