With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cSpAccBisupSentBytes
Cisco Sp Acc Bisup Sent Bytes
1.3.6.1.4.1.9.10.73.1.6.1.1.90
Count of Broadband ISDN User Part (Bisup) bytes transmitted on this linkset, DPC and OPC combination.
Back to CISCO-SP-MIB MIB page.
IPHost Network monitor allows you to monitor cSpAccBisupSentBytes 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.