With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciiSysVersion
Cisco IS-IS Sys Version
1.3.6.1.4.1.9.10.118.1.1.1.1
The version number of the IS-IS protocol that is implemented.
Back to CISCO-IETF-ISIS-MIB MIB page.
IPHost Network monitor allows you to monitor ciiSysVersion on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.