With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cntpPeersDelay
cntp Peers Delay
1.3.6.1.4.1.9.9.168.1.2.1.1.24
The estimated round-trip delay of the peer clock relative to the local clock over the network path between them, in seconds. The host determines the value of this object using the NTP clock-filter algorithm.
Back to CISCO-NTP-MIB MIB page.
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