With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alL2tpStatsFirmwareRev
ALTIGA L2tp Statistics Firmware Revision
1.3.6.1.4.1.3076.2.1.2.16.1.3
This object defines the firmware revision.
Back to ALTIGA-L2TP-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alL2tpStatsFirmwareRev on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.