With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrTlDspNum
Cisco Wireless Tl Dsp Num
1.3.6.1.4.1.9.9.136.1.8.2.1.4
This object identifies the DSP on which this timeline needs to be captures. If 0 is specified then the agent will automatically use the most logical DSP for the specified cwrTlClass parameter. If 0 has been specified on create then on reading this object the agent will return the DSP number that is being used to capture this timeline.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrTlDspNum 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.