With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rsvpSessionTable
rsvp Session Table
1.3.6.1.2.1.51.1.1
A table of all sessions seen by a given system.
Back to RSVP-MIB MIB page.
IPHost Network monitor allows you to monitor rsvpSessionTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.