With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrHistUpdateTime
Cisco Wireless History Update Time
1.3.6.1.4.1.9.9.136.1.7.2.1.1
This object represents the time in seconds since power up when this histogram snapshot was retrieved from the hardware.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrHistUpdateTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
