WESM zl Management and Configuration Guide WT.01.XX and greater

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Configuring the ProCurve Wireless Edge Services zl Module
Enabling Secure Network Time Protocol (NTP)
■ Clock Offset—the calculated offset, in seconds, between the module and
the source. The module adjusts its clock to match the server’s time value.
The offset gravitates toward zero over time, but is never completely
reduced to zero.
■ Root delay—the total round-trip delay, in seconds. This variable can take
on both positive and negative values, depending on the relative time and
frequency offsets. The values that normally are displayed in this field
range from negative values of a few milliseconds to positive values of
several hundred milliseconds.
■ Root Dispersion—the nominal error relative to the primary time source, in
seconds. The values that normally are displayed in this field range from 0
through several hundred milliseconds.