With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrTlNumValues
Cisco Wireless Tl Num Values
1.3.6.1.4.1.9.9.136.1.8.3.1.2
This object represents the number of values available in the timeline.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrTlNumValues 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.