With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cirbhGsmErrorsLostSentPackets
Cisco IP-RAN Backhaul Gsm Errors Lost Sent Packets
1.3.6.1.4.1.9.9.483.1.2.1.3.5.1.5
The number of backhaul packets sent but never were received by peer.
Back to CISCO-IP-RAN-BACKHAUL-MIB MIB page.
IPHost Network monitor allows you to monitor cirbhGsmErrorsLostSentPackets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.