With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonEchoAdminTargetPort
Round Trip Time Monitor Echo Admin Target Port
1.3.6.1.4.1.9.9.42.1.2.2.1.5
This object represents the target's port number. This object is applicable to udpEcho, tcpConnect and jitter probes.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonEchoAdminTargetPort 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.