With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cegOverloadProtectionStatusGrp
Evolved Packet Core Gateway Overload Protection Status Group
1.3.6.1.4.1.9.9.731.3.2.7
This group has a collection of objects to provide the overload protection status.
Back to CISCO-EPC-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cegOverloadProtectionStatusGrp 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.