With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
tn3270eRtDataRtMethod
tn3270e Rt Data Rt Method
1.3.6.1.2.1.34.9.1.2.1.19
The value of this object indicates the method that was used in calculating the IP Network Time.
Back to ibm-tn3270e-rt MIB page.
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