With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipTgLlcStatsIFramesIn
Cisco Channel Interface Processor Transmission Groups Llc Statistics I Frames In
1.3.6.1.4.1.9.9.73.1.1.3.1.1
The number of LLC I-Frames received by this LLC connection TG from the remote network node.
Back to CISCO-CIPTG-MIB MIB page.
IPHost Network monitor allows you to monitor cipTgLlcStatsIFramesIn 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.