With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvTotalNoRouteDrops
Cisco Voice Total No Route Drops
1.3.6.1.4.1.9.9.17.1.3.14
Total count of number of VINES packets dropped due to no route.
Back to CISCO-VINES-MIB MIB page.
IPHost Network monitor allows you to monitor cvTotalNoRouteDrops 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.