With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvTotalNotOver4800Packets
Cisco Voice Total Not Over4800 Packets
1.3.6.1.4.1.9.9.17.1.3.9
Total count of number of VINES broadcast packets not forwarded to all interfaces because the OVER 4800 BPS bit was set.
Back to CISCO-VINES-MIB MIB page.
IPHost Network monitor allows you to monitor cvTotalNotOver4800Packets 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.