With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmSystemInfoGroup
cm System Info Group
1.3.6.1.4.1.9.9.47.3.2.1
A collection of objects providing system configuration and status information.
Back to CISCO-MODEM-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cmSystemInfoGroup 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.