With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caqVccParamsFrtt
Cisco ATM QoS Virtual Channel Connection Parameters Frtt
1.3.6.1.4.1.9.9.279.1.1.1.1.24
Fixed round-trip time.
Back to CISCO-ATM-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor caqVccParamsFrtt 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.