With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
protocolDistStatsPkts
protocol Dist Stats Packets
1.3.6.1.2.1.16.12.2.1.1
The number of packets without errors received of this protocol type. Note that this is the number of link-layer packets, so if a single network-layer packet is fragmented into several link-layer frames, this counter is incremented several times.
Back to RMON2-MIB MIB page.
IPHost Network monitor allows you to monitor protocolDistStatsPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
