With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuPuOperXid
Cisco DSPU Pu Operation Xid
1.3.6.1.4.1.9.9.24.1.4.2.1.7
Upstream PU : XID that was sent to the remote PU. Dnstream PU : XID that was received from the remote PU.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuPuOperXid on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.