With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rsvpResvFwdType
rsvp Resv Fwd Type
1.3.6.1.2.1.51.1.5.1.2
The type of session (IP4, IP6, IP6 with flow information, etc).
Back to RSVP-MIB MIB page.
IPHost Network monitor allows you to monitor rsvpResvFwdType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.