With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonLatestRtpOperMinOWSD
Cisco RTT Monitor Latest Rtp Operational Min OWSD
1.3.6.1.4.1.9.9.42.1.5.3.1.18
Minimum one way latency value in source to destination direction.
Back to CISCO-RTTMON-RTP-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonLatestRtpOperMinOWSD on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.