With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cirbhCongestionDuration
Cisco IP-RAN Backhaul Congestion Duration
1.3.6.1.4.1.9.9.483.1.2.1.3.4.1.6
This object provides number of seconds interface was congested.
Back to CISCO-IP-RAN-BACKHAUL-MIB MIB page.
IPHost Network monitor allows you to monitor cirbhCongestionDuration on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.