With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
oamLoopbackPingAvgRttuSec
oam Loopback Ping Avg Rttu Sec
1.3.6.1.4.1.9.10.15.1.1.1.24
The average round trip time of all the OAM loopback cells that have been sent in this sequence. This object will not be created until the first OAM loopback response in a sequence is received. Notes: this object is the same as oamLoopbackPingAvgRtt but the unit is in microseconds instead of milliseconds.
Back to CISCO-OAM-MIB MIB page.
IPHost Network monitor allows you to monitor oamLoopbackPingAvgRttuSec 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.