With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuPuOperLinkRetryCount
Cisco DSPU Pu Operation Link Retry Count
1.3.6.1.4.1.9.9.24.1.4.2.1.11
Number of times that the DSPU node will attempt to activate the link between the dspuNode and the remote PU.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuPuOperLinkRetryCount 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.