With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rsvpResvFwdInterface
rsvp Resv Fwd Interface
1.3.6.1.2.1.51.1.5.1.12
The ifIndex value of the interface on which this RESV message was most recently sent.
Back to RSVP-MIB MIB page.
IPHost Network monitor allows you to monitor rsvpResvFwdInterface on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.