With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnsExtOutIntfType
cns Ext Out Intf Type
1.3.6.1.4.1.9.9.761.1.1.4.1.4
This object indicates the interface type of the T4 external output.
Back to CISCO-NETSYNC-MIB MIB page.
IPHost Network monitor allows you to monitor cnsExtOutIntfType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.
