With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrSnapshotDspNum
Cisco Wireless Snapshot Dsp Num
1.3.6.1.4.1.9.9.136.1.9.1.1.1
This object represents the DSP at which the snapshot needs to be collected.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrSnapshotDspNum 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.