With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwspInRouteFailures
cwsp In Route Failures
1.3.6.1.4.1.351.140.1.2.5.1.1.6
This object shows the number of incoming Point-to-Point(p2p) and Point-to-MulitPoint(p2mp) SVC/SPVC call attempts on this interface which failed because there was no route to the destination available.
Back to CISCO-WAN-SVC-MIB MIB page.
IPHost Network monitor allows you to monitor cwspInRouteFailures 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.