With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwRsrcPartEgrPctBwUsed
cw Rsrc Part Egr Pct Bw Used
1.3.6.1.4.1.9.9.125.1.1.1.1.7
This is the percentage bandwidth used by the resource partition in egress direction.
Back to CISCO-WAN-RSRC-PART-MIB MIB page.
IPHost Network monitor allows you to monitor cwRsrcPartEgrPctBwUsed 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.