With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonRtpStatsPacketLossSDMax
Cisco RTT Monitor Rtp Stats Packet Loss SD Max
1.3.6.1.4.1.9.9.42.1.3.6.1.31
Maximum number of packets lost from source to destination.
Back to CISCO-RTTMON-RTP-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonRtpStatsPacketLossSDMax on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.