With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvIfCountInSppMessages
Cisco Voice If Count In Spp Messages
1.3.6.1.4.1.9.9.17.1.4.2.1.26
VINES protocol count of input SPP messages.
Back to CISCO-VINES-MIB MIB page.
IPHost Network monitor allows you to monitor cvIfCountInSppMessages 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.