With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rsvpSenderDestAddrLength
rsvp Sender Dest Addr Length
1.3.6.1.2.1.51.1.2.1.5
The length of the destination address in bits. This is the CIDR Prefix Length, which for IP4 hosts and multicast addresses is 32 bits. This object may not be changed when the value of the RowStatus object is 'active'.
Back to RSVP-MIB MIB page.
IPHost Network monitor allows you to monitor rsvpSenderDestAddrLength 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.