With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonRtpStatsRTTMax
Cisco RTT Monitor Rtp Stats RTT Max
1.3.6.1.4.1.9.9.42.1.3.6.1.4
Maximum Round trip time.
Back to CISCO-RTTMON-RTP-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonRtpStatsRTTMax 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.