With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciiPacketCountLevel
Cisco IS-IS Packet Count Level
1.3.6.1.4.1.9.10.118.1.5.3.1.1
The level at which these PDU counts have been collected.
Back to CISCO-IETF-ISIS-MIB MIB page.
IPHost Network monitor allows you to monitor ciiPacketCountLevel 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.