With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cPtpClockPortRunningIPversion
Cisco Ptp Clock Port Running I Pversion
1.3.6.1.4.1.9.9.760.1.2.9.1.9
This object specifirst the IP version being used for PTP communication (the mapping used).
Back to CISCO-PTP-MIB MIB page.
IPHost Network monitor allows you to monitor cPtpClockPortRunningIPversion 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.