With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mfrBundleIndex
mfr Bundle Index
1.3.6.1.2.1.10.47.2.3.1.1
The index into the table. While this corresponds to an entry in the ifTable, the value of mfrBundleIndex need not match that of the ifIndex in the ifTable. A manager can use mfrBundleNextIndex to select a unique mfrBundleIndex for creating a new row.
Back to FR-MFR-MIB MIB page.
IPHost Network monitor allows you to monitor mfrBundleIndex 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.