With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvIfCountInIpcUnknownPorts
Cisco Voice If Count In Ipc Unknown Ports
1.3.6.1.4.1.9.9.17.1.4.2.1.28
VINES protocol count of input packets of unknown VINES IPC ports.
Back to CISCO-VINES-MIB MIB page.
IPHost Network monitor allows you to monitor cvIfCountInIpcUnknownPorts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.