With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lecActualLanType
Lan Emulation Client Actual Lan Type
1.3.6.1.4.1.353.5.3.1.1.2.1.12
C2 LAN Type. The data frame format that this LAN Emulation Client is using right now. This may come from * lecConfigLanType, * the LAN Emulation Configuration Server, or * the LAN Emulation Server This value is related to 'ifMtu' and 'ifType'. See the LEC management specification for more details.
Back to LAN-EMULATION-CLIENT-MIB MIB page.
IPHost Network monitor allows you to monitor lecActualLanType 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.