With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoIPExtCtrlGroupRev1
cisco IP Ext Ctrl Group Rev1
1.3.6.1.4.1.9.9.572.2.2.1
A collection of objects that were added to enhance the functionality of the RTT application to support other IP layer extensions like IPv6, specifically IPv6 addresses and other information.
Back to CISCO-RTTMON-IP-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoIPExtCtrlGroupRev1 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.