With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciiISAdjTable
Cisco IS-IS IS Adj Table
1.3.6.1.4.1.9.10.118.1.6.1
The table of adjacencies to Intermediate Systems.
Back to CISCO-IETF-ISIS-MIB MIB page.
IPHost Network monitor allows you to monitor ciiISAdjTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.