With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuLuOperEntry
Cisco DSPU Lu Operation Entry
1.3.6.1.4.1.9.9.24.1.5.2.1
Each entry represents a defined LU owned by the PU.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuLuOperEntry 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.