With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwr1SecUpdateTime
cwr1 Sec Update Time
1.3.6.1.4.1.9.9.136.1.6.6.1.2
This object represents time in seconds since system power up at which time this entry was updated.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwr1SecUpdateTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.