With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuSapDlcUnit
Cisco DSPU Sap Dlc Unit
1.3.6.1.4.1.9.9.24.1.6.1.1.4
DLC unit of the adapter that owns the local SAP.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuSapDlcUnit 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.